diff --git a/Makefile b/Makefile
index 80772401b4..a424f222f6 100644
--- a/Makefile
+++ b/Makefile
@@ -235,4 +235,5 @@ check-policies:
 		otel/weaver:${WEAVER_VERSION} registry check \
 		--registry=/source \
 		--policy=/policies/registry.rego \
-		--policy=/policies/attribute_name_collisions.rego
+		--policy=/policies/attribute_name_collisions.rego \
+		--policy=/policies/yaml_schema.rego
diff --git a/docs/attributes-registry/gcp.md b/docs/attributes-registry/gcp.md
index 04f6f981bf..d19a0fc8e2 100644
--- a/docs/attributes-registry/gcp.md
+++ b/docs/attributes-registry/gcp.md
@@ -6,18 +6,10 @@
 
 # GCP
 
-- [GCP Attributes](#gcp-attributes)
 - [GCP Client Attributes](#gcp-client-attributes)
 - [GCP - Google Cloud Run Attributes](#gcp---google-cloud-run-attributes)
 - [GCP - Google Compute Engine (GCE) Attributes](#gcp---google-compute-engine-gce-attributes)
 
-## GCP Attributes
-
-Attributes for Google Cloud
-
-| Attribute | Type | Description | Examples | Stability |
-| --------- | ---- | ----------- | -------- | --------- |
-
 ## GCP Client Attributes
 
 Attributes for Google Cloud client libraries.
diff --git a/model/faas-common.yaml b/model/faas-common.yaml
index 9d951485b2..94e60f2b96 100644
--- a/model/faas-common.yaml
+++ b/model/faas-common.yaml
@@ -2,7 +2,6 @@ groups:
   - id: attributes.faas.common
     type: attribute_group
     brief: "Describes FaaS attributes."
-    prefix: faas
     attributes:
       - ref: faas.trigger
       - ref: faas.invoked_name
diff --git a/model/general.yaml b/model/general.yaml
index 26df3efc1a..85377316e1 100644
--- a/model/general.yaml
+++ b/model/general.yaml
@@ -28,7 +28,6 @@ groups:
       - ref: destination.address
       - ref: destination.port
   - id: peer
-    prefix: peer
     type: span
     brief: "Operations that access some remote service."
     attributes:
diff --git a/model/logs/log-exception.yaml b/model/logs/log-exception.yaml
index ab20cb7250..c8b664c0bf 100644
--- a/model/logs/log-exception.yaml
+++ b/model/logs/log-exception.yaml
@@ -1,7 +1,6 @@
 groups:
   - id: log-exception
     type: attribute_group
-    prefix: exception
     brief: >
       This document defines attributes for exceptions represented using Log
       Records.
diff --git a/model/logs/mobile-events.yaml b/model/logs/mobile-events.yaml
index 4b1d956b21..dbf3abceeb 100644
--- a/model/logs/mobile-events.yaml
+++ b/model/logs/mobile-events.yaml
@@ -23,7 +23,6 @@ groups:
     #       brief: >
     #         This attribute represents the state the application has transitioned into at the occurrence of the event.
     #       type:
-    #         allow_custom_values: false
     #         members:
     #           - id: active
     #             value: 'active'
@@ -57,7 +56,6 @@ groups:
     #         The Android lifecycle states are defined in [Activity lifecycle callbacks](https://developer.android.com/guide/components/activities/activity-lifecycle#lc),
     #         and from which the `OS identifiers` are derived.
     #       type:
-    #         allow_custom_values: false
     #         members:
     #           - id: created
     #             value: 'created'
diff --git a/model/messaging-common.yaml b/model/messaging-common.yaml
index ab020e5fe6..e7ca9af636 100644
--- a/model/messaging-common.yaml
+++ b/model/messaging-common.yaml
@@ -2,7 +2,6 @@ groups:
   - id: attributes.messaging.common.minimal
     type: attribute_group
     brief: "Common cross-signal messaging attributes."
-    prefix: messaging
     attributes:
       # TODO: Not adding `messaging.system` to the minimal because of https://github.com/open-telemetry/build-tools/issues/192
       - ref: error.type
diff --git a/model/metrics/go-metrics.yaml b/model/metrics/go-metrics.yaml
index 8b7c14c79a..f52a12b4c8 100644
--- a/model/metrics/go-metrics.yaml
+++ b/model/metrics/go-metrics.yaml
@@ -6,7 +6,6 @@ groups:
     note: >
       Computed from `(/memory/classes/total:bytes - /memory/classes/heap/released:bytes)`.
     instrument: updowncounter
-    prefix: go.memory
     unit: "By"
     attributes:
       - ref: go.memory.type
diff --git a/model/metrics/jvm-metrics-experimental.yaml b/model/metrics/jvm-metrics-experimental.yaml
index 33b7a89c4b..80e3a99041 100644
--- a/model/metrics/jvm-metrics-experimental.yaml
+++ b/model/metrics/jvm-metrics-experimental.yaml
@@ -37,7 +37,6 @@ groups:
   - id: attributes.jvm.buffer
     type: attribute_group
     brief: "Describes JVM buffer metric attributes."
-    prefix: jvm.buffer
     attributes:
       - ref: jvm.buffer.pool.name
         requirement_level: recommended
diff --git a/model/metrics/jvm-metrics.yaml b/model/metrics/jvm-metrics.yaml
index b0e4224086..1930e83659 100644
--- a/model/metrics/jvm-metrics.yaml
+++ b/model/metrics/jvm-metrics.yaml
@@ -2,7 +2,6 @@ groups:
   - id: attributes.jvm.memory
     type: attribute_group
     brief: "Describes JVM memory metric attributes."
-    prefix: jvm.memory
     attributes:
       - ref: jvm.memory.type
         requirement_level: recommended
@@ -52,7 +51,6 @@ groups:
     brief: "Duration of JVM garbage collection actions."
     instrument: histogram
     unit: "s"
-    prefix: jvm.gc
     attributes:
       - ref: jvm.gc.name
         requirement_level: recommended
diff --git a/model/metrics/process-metrics.yaml b/model/metrics/process-metrics.yaml
index 86d224d543..9b174de0e0 100644
--- a/model/metrics/process-metrics.yaml
+++ b/model/metrics/process-metrics.yaml
@@ -51,7 +51,6 @@ groups:
     type: metric
     metric_name: process.disk.io
     stability: experimental
-    prefix: process.disk
     brief: "Disk bytes transferred."
     instrument: counter
     unit: "By"
diff --git a/model/metrics/v8js-metrics.yaml b/model/metrics/v8js-metrics.yaml
index be0a43b09a..67e67ae282 100644
--- a/model/metrics/v8js-metrics.yaml
+++ b/model/metrics/v8js-metrics.yaml
@@ -6,7 +6,6 @@ groups:
     instrument: histogram
     unit: "s"
     stability: experimental
-    prefix: v8js.gc
     attributes:
       - ref: v8js.gc.type
         requirement_level: required
@@ -61,7 +60,6 @@ groups:
     instrument: updowncounter
     unit: "By"
     stability: experimental
-    prefix: v8js.heap.space.physical_size
     attributes:
       - ref: v8js.heap.space.name
         requirement_level: required
diff --git a/model/network.yaml b/model/network.yaml
index 7e1ee396f6..d346131cf3 100644
--- a/model/network.yaml
+++ b/model/network.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: network-core
-    prefix: network
     type: attribute_group
     brief: >
       These attributes may be used for any network related operation.
@@ -15,7 +14,6 @@ groups:
       - ref: network.local.port
 
   - id: network-connection-and-carrier
-    prefix: network
     type: attribute_group
     brief: >
       These attributes may be used for any network related operation.
diff --git a/model/registry/android.yaml b/model/registry/android.yaml
index c9c23e46ae..b55ef0fd12 100644
--- a/model/registry/android.yaml
+++ b/model/registry/android.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.android
-    prefix: android
     type: attribute_group
     display_name: Android Attributes
     brief: >
       The Android platform on which the Android application is running.
     attributes:
-      - id: os.api_level
+      - id: android.os.api_level
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/artifact.yaml b/model/registry/artifact.yaml
index 9bed81bbb1..11cb388eb6 100644
--- a/model/registry/artifact.yaml
+++ b/model/registry/artifact.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.artifact
-    prefix: artifact
     type: attribute_group
     brief: >
       This group describes attributes specific to artifacts. Artifacts are
@@ -9,7 +8,7 @@ groups:
       [SLSA](https://slsa.dev/spec/v1.0/terminology#package-model) package
       model.
     attributes:
-      - id: filename
+      - id: artifact.filename
         type: string
         stability: experimental
         brief: >
@@ -28,13 +27,13 @@ groups:
             "release-1.tar.gz",
             "file-name-package.tar.gz",
           ]
-      - id: version
+      - id: artifact.version
         type: string
         stability: experimental
         brief: >
           The version of the artifact.
         examples: ["v0.1.0", "1.2.1", "122691-build"]
-      - id: purl
+      - id: artifact.purl
         type: string
         stability: experimental
         brief: >
@@ -46,7 +45,7 @@ groups:
             "pkg:github/package-url/purl-spec@1209109710924",
             "pkg:npm/foo@12.12.3",
           ]
-      - id: hash
+      - id: artifact.hash
         type: string
         stability: experimental
         brief: >
@@ -64,13 +63,13 @@ groups:
           deem necessary.
         examples:
           ["9ff4c52759e2c4ac70b7d517bc7fcdc1cda631ca0045271ddd1b192544f8a3e9"]
-      - id: attestation.id
+      - id: artifact.attestation.id
         type: string
         stability: experimental
         brief: >
           The id of the build [software attestation](https://slsa.dev/attestation-model).
         examples: ["123"]
-      - id: attestation.filename
+      - id: artifact.attestation.filename
         type: string
         stability: experimental
         brief: >
@@ -86,7 +85,7 @@ groups:
             "release-1.tar.gz.attestation",
             "file-name-package.tar.gz.intoto.json1",
           ]
-      - id: attestation.hash
+      - id: artifact.attestation.hash
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/aspnetcore.yaml b/model/registry/aspnetcore.yaml
index c5e36497e1..16a28a5535 100644
--- a/model/registry/aspnetcore.yaml
+++ b/model/registry/aspnetcore.yaml
@@ -1,18 +1,16 @@
 groups:
   - id: registry.aspnetcore
-    prefix: aspnetcore
     type: attribute_group
     display_name: ASP.NET Core Attributes
     brief: ASP.NET Core attributes
     attributes:
-      - id: rate_limiting.policy
+      - id: aspnetcore.rate_limiting.policy
         type: string
         brief: Rate limiting policy name.
         stability: stable
         examples: ["fixed", "sliding", "token"]
-      - id: rate_limiting.result
+      - id: aspnetcore.rate_limiting.result
         type:
-          allow_custom_values: true
           members:
             - id: acquired
               value: 'acquired'
@@ -34,12 +32,12 @@ groups:
         brief: Rate-limiting result, shows whether the lease was acquired or contains a rejection reason
         examples: ["acquired", "request_canceled"]
         requirement_level: required
-      - id: routing.is_fallback
+      - id: aspnetcore.routing.is_fallback
         type: boolean
         stability: stable
         brief: A value that indicates whether the matched route is a fallback route.
         examples: [true]
-      - id: diagnostics.handler.type
+      - id: aspnetcore.diagnostics.handler.type
         type: string
         stability: stable
         brief: Full type name of the [`IExceptionHandler`](https://learn.microsoft.com/dotnet/api/microsoft.aspnetcore.diagnostics.iexceptionhandler)
@@ -47,14 +45,13 @@ groups:
         examples: ["Contoso.MyHandler"]
         requirement_level:
           conditionally_required: if and only if the exception was handled by this handler.
-      - id: request.is_unhandled
+      - id: aspnetcore.request.is_unhandled
         type: boolean
         stability: stable
         brief: Flag indicating if request was handled by the application pipeline.
         examples: [true]
-      - id: routing.match_status
+      - id: aspnetcore.routing.match_status
         type:
-          allow_custom_values: true
           members:
             - id: success
               value: 'success'
@@ -67,7 +64,7 @@ groups:
         stability: stable
         brief: Match result - success or failure
         examples: ["success", "failure"]
-      - id: diagnostics.exception.result
+      - id: aspnetcore.diagnostics.exception.result
         type:
           members:
             - id: handled
diff --git a/model/registry/aws.yaml b/model/registry/aws.yaml
index 4ed5f82ff8..bc47121531 100644
--- a/model/registry/aws.yaml
+++ b/model/registry/aws.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.aws
-    prefix: aws
     type: attribute_group
     display_name: General AWS Attributes
     brief: >
       This document defines generic attributes for AWS services.
     attributes:
-      - id: request_id
+      - id: aws.request_id
         type: string
         stability: experimental
         brief: "The AWS request ID as returned in the response headers `x-amz-request-id` or `x-amz-requestid`."
@@ -14,20 +13,19 @@ groups:
           - 79b9da39-b7ae-508a-a6bc-864b2829c622
           - C9ER4AJX75574TDJ
   - id: registry.aws.dynamodb
-    prefix: aws.dynamodb
     type: attribute_group
     display_name: Amazon DynamoDB Attributes
     brief: >
             This document defines attributes for AWS DynamoDB.
     attributes:
-      - id: table_names
+      - id: aws.dynamodb.table_names
         type: string[]
         stability: experimental
         brief: The keys in the `RequestItems` object field.
         examples:
           - Users
           - Cats
-      - id: consumed_capacity
+      - id: aws.dynamodb.consumed_capacity
         type: string[]
         stability: experimental
         brief: "The JSON-serialized value of each item in the `ConsumedCapacity` response field."
@@ -57,7 +55,7 @@ groups:
               "TableName": "string",
               "WriteCapacityUnits": number
             }'
-      - id: item_collection_metrics
+      - id: aws.dynamodb.item_collection_metrics
         type: string
         stability: experimental
         brief: "The JSON-serialized value of the `ItemCollectionMetrics` response field."
@@ -87,25 +85,25 @@ groups:
                  }
               ]
              }'
-      - id: provisioned_read_capacity
+      - id: aws.dynamodb.provisioned_read_capacity
         type: double
         stability: experimental
         brief: "The value of the `ProvisionedThroughput.ReadCapacityUnits` request parameter."
         examples:
           - 1.0
           - 2.0
-      - id: provisioned_write_capacity
+      - id: aws.dynamodb.provisioned_write_capacity
         type: double
         stability: experimental
         brief: "The value of the `ProvisionedThroughput.WriteCapacityUnits` request parameter."
         examples:
           - 1.0
           - 2.0
-      - id: consistent_read
+      - id: aws.dynamodb.consistent_read
         type: boolean
         stability: experimental
         brief: "The value of the `ConsistentRead` request parameter."
-      - id: projection
+      - id: aws.dynamodb.projection
         type: string
         stability: experimental
         brief: "The value of the `ProjectionExpression` request parameter."
@@ -113,33 +111,33 @@ groups:
           - Title
           - Title, Price, Color
           - Title, Description, RelatedItems, ProductReviews
-      - id: limit
+      - id: aws.dynamodb.limit
         type: int
         stability: experimental
         brief: "The value of the `Limit` request parameter."
         examples:
           - 10
-      - id: attributes_to_get
+      - id: aws.dynamodb.attributes_to_get
         type: string[]
         stability: experimental
         brief: "The value of the `AttributesToGet` request parameter."
         examples:
           - lives
           - id
-      - id: index_name
+      - id: aws.dynamodb.index_name
         type: string
         stability: experimental
         brief: "The value of the `IndexName` request parameter."
         examples:
           - name_to_group
-      - id: select
+      - id: aws.dynamodb.select
         type: string
         stability: experimental
         brief: "The value of the `Select` request parameter."
         examples:
           - ALL_ATTRIBUTES
           - COUNT
-      - id: global_secondary_indexes
+      - id: aws.dynamodb.global_secondary_indexes
         type: string[]
         stability: experimental
         brief: "The JSON-serialized value of each item of the `GlobalSecondaryIndexes` request field"
@@ -161,7 +159,7 @@ groups:
                 "WriteCapacityUnits": number
               }
             }'
-      - id: local_secondary_indexes
+      - id: aws.dynamodb.local_secondary_indexes
         type: string[]
         stability: experimental
         brief: "The JSON-serialized value of each item of the `LocalSecondaryIndexes` request field."
@@ -182,48 +180,48 @@ groups:
                 "ProjectionType": "string"
               }
             }'
-      - id: exclusive_start_table
+      - id: aws.dynamodb.exclusive_start_table
         type: string
         stability: experimental
         brief: "The value of the `ExclusiveStartTableName` request parameter."
         examples:
           - Users
           - CatsTable
-      - id: table_count
+      - id: aws.dynamodb.table_count
         type: int
         stability: experimental
         brief: "The number of items in the `TableNames` response parameter."
         examples:
           - 20
-      - id: scan_forward
+      - id: aws.dynamodb.scan_forward
         type: boolean
         stability: experimental
         brief: "The value of the `ScanIndexForward` request parameter."
-      - id: segment
+      - id: aws.dynamodb.segment
         type: int
         stability: experimental
         brief: "The value of the `Segment` request parameter."
         examples:
           - 10
-      - id: total_segments
+      - id: aws.dynamodb.total_segments
         type: int
         stability: experimental
         brief: "The value of the `TotalSegments` request parameter."
         examples:
           - 100
-      - id: count
+      - id: aws.dynamodb.count
         type: int
         stability: experimental
         brief: "The value of the `Count` response parameter."
         examples:
           - 10
-      - id: scanned_count
+      - id: aws.dynamodb.scanned_count
         type: int
         stability: experimental
         brief: "The value of the `ScannedCount` response parameter."
         examples:
           - 50
-      - id: attribute_definitions
+      - id: aws.dynamodb.attribute_definitions
         type: string[]
         stability: experimental
         brief: "The JSON-serialized value of each item in the `AttributeDefinitions` request field."
@@ -232,7 +230,7 @@ groups:
               "AttributeName": "string",
               "AttributeType": "string"
              }'
-      - id: global_secondary_index_updates
+      - id: aws.dynamodb.global_secondary_index_updates
         type: string[]
         stability: experimental
         brief: "The JSON-serialized value of each item in the `GlobalSecondaryIndexUpdates` request field."
@@ -256,27 +254,25 @@ groups:
                 }
               }'
   - id: registry.aws.ecs
-    prefix: aws.ecs
     type: attribute_group
     display_name: Amazon ECS Attributes
     brief: >
       This document defines attributes for AWS Elastic Container Service (ECS).
     attributes:
-      - id: container.arn
+      - id: aws.ecs.container.arn
         type: string
         stability: experimental
         brief: >
           The Amazon Resource Name (ARN) of an [ECS container instance](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_instances.html).
         examples: ['arn:aws:ecs:us-west-1:123456789123:container/32624152-9086-4f0e-acae-1a75b14fe4d9']
-      - id: cluster.arn
+      - id: aws.ecs.cluster.arn
         type: string
         stability: experimental
         brief: >
           The ARN of an [ECS cluster](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/clusters.html).
         examples: ['arn:aws:ecs:us-west-2:123456789123:cluster/my-cluster']
-      - id: launchtype
+      - id: aws.ecs.launchtype
         type:
-          allow_custom_values: true
           members:
             - id: ec2
               value: "ec2"
@@ -287,7 +283,7 @@ groups:
         stability: experimental
         brief: >
           The [launch type](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/launch_types.html) for an ECS task.
-      - id: task.arn
+      - id: aws.ecs.task.arn
         type: string
         stability: experimental
         brief: >
@@ -296,13 +292,13 @@ groups:
           'arn:aws:ecs:us-west-1:123456789123:task/10838bed-421f-43ef-870a-f43feacbbb5b',
           'arn:aws:ecs:us-west-1:123456789123:task/my-cluster/task-id/23ebb8ac-c18f-46c6-8bbe-d55d0e37cfbd'
         ]
-      - id: task.family
+      - id: aws.ecs.task.family
         type: string
         stability: experimental
         brief: >
           The family name of the [ECS task definition](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definitions.html) used to create the ECS task.
         examples: ['opentelemetry-family']
-      - id: task.id
+      - id: aws.ecs.task.id
         type: string
         stability: experimental
         brief: >
@@ -310,33 +306,31 @@ groups:
         requirement_level:
           conditionally_required: If and only if `task.arn` is populated.
         examples: [ '10838bed-421f-43ef-870a-f43feacbbb5b', '23ebb8ac-c18f-46c6-8bbe-d55d0e37cfbd' ]
-      - id: task.revision
+      - id: aws.ecs.task.revision
         type: string
         stability: experimental
         brief: >
           The revision for the task definition used to create the ECS task.
         examples: ["8", "26"]
   - id: registry.aws.eks
-    prefix: aws.eks
     type: attribute_group
     display_name: Amazon EKS Attributes
     brief: >
       This document defines attributes for AWS Elastic Kubernetes Service (EKS).
     attributes:
-      - id: cluster.arn
+      - id: aws.eks.cluster.arn
         type: string
         stability: experimental
         brief: >
           The ARN of an EKS cluster.
         examples: ['arn:aws:ecs:us-west-2:123456789123:cluster/my-cluster']
   - id: registry.aws.log
-    prefix: aws.log
     type: attribute_group
     display_name: Amazon Logs Attributes
     brief: >
       This document defines attributes for AWS Logs.
     attributes:
-      - id: group.names
+      - id: aws.log.group.names
         type: string[]
         stability: experimental
         brief: >
@@ -346,7 +340,7 @@ groups:
           Multiple log groups must be supported for cases like multi-container applications,
           where a single application has sidecar containers, and each write to their own log
           group.
-      - id: group.arns
+      - id: aws.log.group.arns
         type: string[]
         stability: experimental
         brief: >
@@ -355,13 +349,13 @@ groups:
         note: >
           See the
           [log group ARN format documentation](https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/iam-access-control-overview-cwl.html#CWL_ARN_Format).
-      - id: stream.names
+      - id: aws.log.stream.names
         type: string[]
         stability: experimental
         brief: >
           The name(s) of the AWS log stream(s) an application is writing to.
         examples: ['logs/main/10838bed-421f-43ef-870a-f43feacbbb5b']
-      - id: stream.arns
+      - id: aws.log.stream.arns
         type: string[]
         stability: experimental
         brief: >
@@ -374,13 +368,12 @@ groups:
           group and a log stream.
 
   - id: registry.aws.lambda
-    prefix: aws.lambda
     type: attribute_group
     display_name: Amazon Lambda Attributes
     brief: >
         This document defines attributes for AWS Lambda.
     attributes:
-      - id: invoked_arn
+      - id: aws.lambda.invoked_arn
         type: string
         stability: experimental
         brief: >
@@ -389,13 +382,12 @@ groups:
         note: This may be different from `cloud.resource_id` if an alias is involved.
         examples: ['arn:aws:lambda:us-east-1:123456:function:myfunction:myalias']
   - id: registry.aws.s3
-    prefix: aws.s3
     type: attribute_group
     display_name: Amazon S3 Attributes
     brief: >
       This document defines attributes for AWS S3.
     attributes:
-      - id: bucket
+      - id: aws.s3.bucket
         type: string
         stability: experimental
         brief: "The S3 bucket name the request refers to. Corresponds to the `--bucket` parameter of the [S3 API](https://docs.aws.amazon.com/cli/latest/reference/s3api/index.html) operations."
@@ -404,7 +396,7 @@ groups:
         note: |
             The `bucket` attribute is applicable to all S3 operations that reference a bucket, i.e. that require the bucket name as a mandatory parameter.
             This applies to almost all S3 operations except `list-buckets`.
-      - id: key
+      - id: aws.s3.key
         type: string
         stability: experimental
         brief: "The S3 object key the request refers to. Corresponds to the `--key` parameter of the [S3 API](https://docs.aws.amazon.com/cli/latest/reference/s3api/index.html) operations."
@@ -427,7 +419,7 @@ groups:
             - [list-parts](https://docs.aws.amazon.com/cli/latest/reference/s3api/list-parts.html)
             - [upload-part](https://docs.aws.amazon.com/cli/latest/reference/s3api/upload-part.html)
             - [upload-part-copy](https://docs.aws.amazon.com/cli/latest/reference/s3api/upload-part-copy.html)
-      - id: copy_source
+      - id: aws.s3.copy_source
         type: string
         stability: experimental
         brief: "The source object (in the form `bucket`/`key`) for the copy operation."
@@ -440,7 +432,7 @@ groups:
 
             - [copy-object](https://docs.aws.amazon.com/cli/latest/reference/s3api/copy-object.html)
             - [upload-part-copy](https://docs.aws.amazon.com/cli/latest/reference/s3api/upload-part-copy.html)
-      - id: upload_id
+      - id: aws.s3.upload_id
         type: string
         stability: experimental
         brief: "Upload ID that identifies the multipart upload."
@@ -456,7 +448,7 @@ groups:
             - [list-parts](https://docs.aws.amazon.com/cli/latest/reference/s3api/list-parts.html)
             - [upload-part](https://docs.aws.amazon.com/cli/latest/reference/s3api/upload-part.html)
             - [upload-part-copy](https://docs.aws.amazon.com/cli/latest/reference/s3api/upload-part-copy.html)
-      - id: delete
+      - id: aws.s3.delete
         type: string
         stability: experimental
         brief: "The delete request container that specifies the objects to be deleted."
@@ -466,7 +458,7 @@ groups:
             The `delete` attribute is only applicable to the [delete-object](https://docs.aws.amazon.com/cli/latest/reference/s3api/delete-object.html) operation.
             The `delete` attribute corresponds to the `--delete` parameter of the
             [delete-objects operation within the S3 API](https://docs.aws.amazon.com/cli/latest/reference/s3api/delete-objects.html).
-      - id: part_number
+      - id: aws.s3.part_number
         type: int
         stability: experimental
         brief: "The part number of the part being uploaded in a multipart-upload operation. This is a positive integer between 1 and 10,000."
diff --git a/model/registry/browser.yaml b/model/registry/browser.yaml
index 4e6f39c3e3..fcf09c6da5 100644
--- a/model/registry/browser.yaml
+++ b/model/registry/browser.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.browser
-    prefix: browser
     type: attribute_group
     display_name: Browser Attributes
     brief: >
       The web browser attributes
     attributes:
-      - id: brands
+      - id: browser.brands
         type: string[]
         stability: experimental
         brief: 'Array of brand name and version separated by a space'
@@ -15,7 +14,7 @@ groups:
           [UA client hints API](https://wicg.github.io/ua-client-hints/#interface)
           (`navigator.userAgentData.brands`).
         examples: [ " Not A;Brand 99", "Chromium 99", "Chrome 99" ]
-      - id: platform
+      - id: browser.platform
         type: string
         stability: experimental
         brief: 'The platform on which the browser is running'
@@ -33,7 +32,7 @@ groups:
           However, for consistency, the values in the `browser.platform` attribute
           should capture the exact value that the user agent provides.
         examples: ['Windows', 'macOS', 'Android']
-      - id: mobile
+      - id: browser.mobile
         type: boolean
         stability: experimental
         brief: 'A boolean that is true if the browser is running on a mobile device'
@@ -42,7 +41,7 @@ groups:
           [UA client hints API](https://wicg.github.io/ua-client-hints/#interface)
           (`navigator.userAgentData.mobile`). If unavailable, this attribute
           SHOULD be left unset.
-      - id: language
+      - id: browser.language
         type: string
         stability: experimental
         brief: 'Preferred language of the user using the browser'
diff --git a/model/registry/cicd.yaml b/model/registry/cicd.yaml
index 16b381274b..a57b8c7b4b 100644
--- a/model/registry/cicd.yaml
+++ b/model/registry/cicd.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.cicd.pipeline
-    prefix: cicd.pipeline
     type: attribute_group
     brief: >
       This group describes attributes specific to pipelines within a Continuous
@@ -13,7 +12,7 @@ groups:
       producing something. In the context of CI/CD, a pipeline produces or
       delivers software.
     attributes:
-      - id: name
+      - id: cicd.pipeline.name
         type: string
         stability: experimental
         brief: >
@@ -25,13 +24,13 @@ groups:
             "Deploy Go Project",
             "deploy_to_environment",
           ]
-      - id: run.id
+      - id: cicd.pipeline.run.id
         type: string
         stability: experimental
         brief: >
           The unique identifier of a pipeline run within a CI/CD system.
         examples: ["120912"]
-      - id: task.name
+      - id: cicd.pipeline.task.name
         type: string
         stability: experimental
         brief: >
@@ -40,13 +39,13 @@ groups:
           in a pipeline. Other terms for tasks include commands, steps, and
           procedures.
         examples: ["Run GoLang Linter", "Go Build", "go-test", "deploy_binary"]
-      - id: task.run.id
+      - id: cicd.pipeline.task.run.id
         type: string
         stability: experimental
         brief: >
           The unique identifier of a task run within a pipeline.
         examples: ["12097"]
-      - id: task.run.url.full
+      - id: cicd.pipeline.task.run.url.full
         type: string
         stability: experimental
         brief: >
@@ -56,7 +55,7 @@ groups:
           [
             "https://github.com/open-telemetry/semantic-conventions/actions/runs/9753949763/job/26920038674?pr=1075",
           ]
-      - id: task.type
+      - id: cicd.pipeline.task.type
         type:
           members:
             - id: build
diff --git a/model/registry/client.yaml b/model/registry/client.yaml
index 507dfd53a7..58061c12f1 100644
--- a/model/registry/client.yaml
+++ b/model/registry/client.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.client
-    prefix: client
     type: attribute_group
     display_name: Client Attributes
     brief: >
@@ -11,7 +10,7 @@ groups:
       protocol / API doesn't expose a clear notion of client and server).
       This also covers UDP network interactions where one side initiates the interaction, e.g. QUIC (HTTP/3) and DNS.
     attributes:
-      - id: address
+      - id: client.address
         stability: stable
         type: string
         brief: "Client address - domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name."
@@ -19,7 +18,7 @@ groups:
           When observed from the server side, and when communicating through an intermediary, `client.address` SHOULD represent
           the client address behind any intermediaries,  for example proxies, if it's available.
         examples: ['client.example.com', '10.1.2.80', '/tmp/my.sock']
-      - id: port
+      - id: client.port
         stability: stable
         type: int
         brief: Client port number.
diff --git a/model/registry/cloud.yaml b/model/registry/cloud.yaml
index c86357be9d..184ab0e96b 100644
--- a/model/registry/cloud.yaml
+++ b/model/registry/cloud.yaml
@@ -1,14 +1,12 @@
 groups:
   - id: registry.cloud
-    prefix: cloud
     type: attribute_group
     display_name: Cloud Attributes
     brief: >
       A cloud environment (e.g. GCP, Azure, AWS).
     attributes:
-      - id: provider
+      - id: cloud.provider
         type:
-          allow_custom_values: true
           members:
             - id: 'alibaba_cloud'
               value: 'alibaba_cloud'
@@ -41,13 +39,13 @@ groups:
         stability: experimental
         brief: >
           Name of the cloud provider.
-      - id: account.id
+      - id: cloud.account.id
         type: string
         stability: experimental
         brief: >
           The cloud account ID the resource is assigned to.
         examples: ['111111111111', 'opentelemetry']
-      - id: region
+      - id: cloud.region
         type: string
         stability: experimental
         brief: >
@@ -60,7 +58,7 @@ groups:
           [Google Cloud regions](https://cloud.google.com/about/locations),
           or [Tencent Cloud regions](https://www.tencentcloud.com/document/product/213/6091).
         examples: ['us-central1', 'us-east-1']
-      - id: resource_id
+      - id: cloud.resource_id
         type: string
         stability: experimental
         brief: >
@@ -90,7 +88,7 @@ groups:
           - 'arn:aws:lambda:REGION:ACCOUNT_ID:function:my-function'
           - '//run.googleapis.com/projects/PROJECT_ID/locations/LOCATION_ID/services/SERVICE_ID'
           - '/subscriptions/<SUBSCIPTION_GUID>/resourceGroups/<RG>/providers/Microsoft.Web/sites/<FUNCAPP>/functions/<FUNC>'
-      - id: availability_zone
+      - id: cloud.availability_zone
         type: string
         stability: experimental
         brief: >
@@ -100,9 +98,8 @@ groups:
         note: >
           Availability zones are called "zones" on Alibaba Cloud and Google Cloud.
         examples: ['us-east-1c']
-      - id: platform
+      - id: cloud.platform
         type:
-          allow_custom_values: true
           members:
             - id: alibaba_cloud_ecs
               value: 'alibaba_cloud_ecs'
diff --git a/model/registry/cloudevents.yaml b/model/registry/cloudevents.yaml
index 61952f29b2..f933451853 100644
--- a/model/registry/cloudevents.yaml
+++ b/model/registry/cloudevents.yaml
@@ -1,36 +1,35 @@
 groups:
   - id: registry.cloudevents
-    prefix: cloudevents
     type: attribute_group
     display_name: CloudEvents Attributes
     brief: >
         This document defines attributes for CloudEvents.
     attributes:
-      - id: event_id
+      - id: cloudevents.event_id
         type: string
         stability: experimental
         brief: >
           The [event_id](https://github.com/cloudevents/spec/blob/v1.0.2/cloudevents/spec.md#id) uniquely identifies the event.
         examples: ['123e4567-e89b-12d3-a456-426614174000', '0001']
-      - id: event_source
+      - id: cloudevents.event_source
         type: string
         stability: experimental
         brief: >
           The [source](https://github.com/cloudevents/spec/blob/v1.0.2/cloudevents/spec.md#source-1) identifies the context in which an event happened.
         examples: ['https://github.com/cloudevents', '/cloudevents/spec/pull/123', 'my-service' ]
-      - id: event_spec_version
+      - id: cloudevents.event_spec_version
         type: string
         stability: experimental
         brief: >
           The [version of the CloudEvents specification](https://github.com/cloudevents/spec/blob/v1.0.2/cloudevents/spec.md#specversion) which the event uses.
         examples: '1.0'
-      - id: event_type
+      - id: cloudevents.event_type
         type: string
         stability: experimental
         brief: >
           The [event_type](https://github.com/cloudevents/spec/blob/v1.0.2/cloudevents/spec.md#type) contains a value describing the type of event related to the originating occurrence.
         examples: ['com.github.pull_request.opened', 'com.example.object.deleted.v2']
-      - id: event_subject
+      - id: cloudevents.event_subject
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/code.yaml b/model/registry/code.yaml
index b7119d5150..d67740f4ec 100644
--- a/model/registry/code.yaml
+++ b/model/registry/code.yaml
@@ -1,43 +1,42 @@
 groups:
   - id: registry.code
-    prefix: code
     type: attribute_group
     display_name: Code Attributes
     brief: >
       These attributes allow to report this unit of code and therefore to provide more context about the span.
     attributes:
-      - id: function
+      - id: code.function
         type: string
         stability: experimental
         brief: >
           The method or function name, or equivalent (usually rightmost part of the code unit's name).
         examples: serveRequest
-      - id: namespace
+      - id: code.namespace
         type: string
         stability: experimental
         brief: >
           The "namespace" within which `code.function` is defined. Usually the qualified class or module name,
           such that `code.namespace` + some separator + `code.function` form a unique identifier for the code unit.
         examples: com.example.MyHttpService
-      - id: filepath
+      - id: code.filepath
         type: string
         stability: experimental
         brief: >
           The source code file name that identifies the code unit as uniquely as possible (preferably an absolute file path).
         examples: /usr/local/MyApplication/content_root/app/index.php
-      - id: lineno
+      - id: code.lineno
         type: int
         stability: experimental
         brief: >
           The line number in `code.filepath` best representing the operation. It SHOULD point within the code unit named in `code.function`.
         examples: 42
-      - id: column
+      - id: code.column
         type: int
         stability: experimental
         brief: >
           The column number in `code.filepath` best representing the operation. It SHOULD point within the code unit named in `code.function`.
         examples: 16
-      - id: stacktrace
+      - id: code.stacktrace
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/container.yaml b/model/registry/container.yaml
index 750d8854bd..52cb7ff22b 100644
--- a/model/registry/container.yaml
+++ b/model/registry/container.yaml
@@ -1,18 +1,17 @@
 groups:
   - id: registry.container
-    prefix: container
     type: attribute_group
     display_name: Container Attributes
     brief: >
       A container instance.
     attributes:
-      - id: name
+      - id: container.name
         type: string
         stability: experimental
         brief: >
           Container name used by container runtime.
         examples: ['opentelemetry-autoconf']
-      - id: id
+      - id: container.id
         type: string
         stability: experimental
         brief: >
@@ -20,19 +19,19 @@ groups:
           [identify Docker containers](https://docs.docker.com/engine/reference/run/#container-identification).
           The UUID might be abbreviated.
         examples: ['a3bf90e006b2']
-      - id: runtime
+      - id: container.runtime
         type: string
         stability: experimental
         brief: >
           The container runtime managing this container.
         examples: ['docker', 'containerd', 'rkt']
-      - id: image.name
+      - id: container.image.name
         type: string
         stability: experimental
         brief: >
           Name of the image the container was built on.
         examples: ['gcr.io/opentelemetry/operator']
-      - id: image.tags
+      - id: container.image.tags
         type: string[]
         stability: experimental
         brief: >
@@ -41,7 +40,7 @@ groups:
           Should be only the `<tag>` section of the full name for example
           from `registry.example.com/my-org/my-image:<tag>`.
         examples: ['v1.27.1', '3.5.7-0']
-      - id: image.id
+      - id: container.image.id
         type: string
         stability: experimental
         brief: >
@@ -58,7 +57,7 @@ groups:
           Consider using `oci.manifest.digest` if it is important to identify the same
           image in different environments/runtimes.
         examples: ['sha256:19c92d0a00d1b66d897bceaa7319bee0dd38a10a851c60bcec9474aa3f01e50f']
-      - id: image.repo_digests
+      - id: container.image.repo_digests
         type: string[]
         stability: experimental
         brief: >
@@ -70,7 +69,7 @@ groups:
         examples:
           - 'example@sha256:afcc7f1ac1b49db317a7196c902e61c6c3c4607d63599ee1a82d702d249a0ccb'
           - 'internal.registry.example.com:5000/example@sha256:b69959407d21e8a062e0416bf13405bb2b71ed7a84dde4158ebafacfa06f5578'
-      - id: command
+      - id: container.command
         type: string
         stability: experimental
         note: >
@@ -78,19 +77,19 @@ groups:
         brief: >
           The command used to run the container (i.e. the command name).
         examples: [ 'otelcontribcol' ]
-      - id: command_line
+      - id: container.command_line
         type: string
         stability: experimental
         brief: >
           The full command run by the container as a single string representing the full command. [2]
         examples: [ 'otelcontribcol --config config.yaml' ]
-      - id: command_args
+      - id: container.command_args
         type: string[]
         stability: experimental
         brief: >
           All the command arguments (including the command/executable itself) run by the container. [2]
         examples: [ 'otelcontribcol, --config, config.yaml' ]
-      - id: label
+      - id: container.label
         type: template[string]
         stability: experimental
         brief: >
diff --git a/model/registry/cpu.yaml b/model/registry/cpu.yaml
index 93a327f9fa..0ff9e4d226 100644
--- a/model/registry/cpu.yaml
+++ b/model/registry/cpu.yaml
@@ -1,14 +1,12 @@
 groups:
   - id: registry.cpu
-    prefix: cpu
     type: attribute_group
     brief: Attributes specific to a cpu instance.
     display_name: CPU Attributes
     attributes:
-      - id: mode
+      - id: cpu.mode
         brief: "The mode of the CPU"
         type:
-          allow_custom_values: true
           # TODO: Fix how enum members are used in semantic conventions after https://github.com/open-telemetry/build-tools/issues/192 is merged
           members:
             - id: user
diff --git a/model/registry/db.yaml b/model/registry/db.yaml
index 8529414fbe..143d221bb1 100644
--- a/model/registry/db.yaml
+++ b/model/registry/db.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.db
-    prefix: db
     type: attribute_group
     display_name: General Database Attributes
     brief: >
       This group defines the attributes used to describe telemetry in the context of databases.
     attributes:
-      - id: collection.name
+      - id: db.collection.name
         type: string
         stability: experimental
         brief: The name of a collection (table, container) within the database.
@@ -19,7 +18,7 @@ groups:
           For batch operations, if the individual operations are known to have the same collection name
           then that collection name SHOULD be used, otherwise `db.collection.name` SHOULD NOT be captured.
         examples: ['public.users', 'customers']
-      - id: namespace
+      - id: db.namespace
         type: string
         stability: experimental
         brief: >
@@ -35,7 +34,7 @@ groups:
 
           It is RECOMMENDED to capture the value as provided by the application without attempting to do any case normalization.
         examples: [ 'customers', 'test.users' ]
-      - id: operation.name
+      - id: db.operation.name
         type: string
         stability: experimental
         brief: >
@@ -49,7 +48,7 @@ groups:
           then that operation name SHOULD be used prepended by `BATCH `,
           otherwise `db.operation.name` SHOULD be `BATCH` or some other database system specific term if more applicable.
         examples: ['findAndModify', 'HMSET', 'SELECT']
-      - id: query.text
+      - id: db.query.text
         type: string
         stability: experimental
         brief: >
@@ -65,7 +64,7 @@ groups:
           the user is giving a strong signal that any sensitive data will be passed as parameter values, and the benefit
           to observability of capturing the static part of the query text by default outweighs the risk.
         examples: ['SELECT * FROM wuser_table where username = ?', 'SET mykey "WuValue"']
-      - id: query.parameter
+      - id: db.query.parameter
         type: template[string]
         stability: experimental
         brief: >
@@ -77,7 +76,7 @@ groups:
           If a parameter has no name and instead is referenced only by index,
           then `<key>` SHOULD be the 0-based index.
         examples: ['someval', '55']
-      - id: operation.batch.size
+      - id: db.operation.batch.size
         type: int
         stability: experimental
         brief: The number of queries included in a [batch operation](/docs/database/database-spans.md#batch-operations).
@@ -85,14 +84,13 @@ groups:
           Operations are only considered batches when they contain two or more operations,
           and so `db.operation.batch.size` SHOULD never be `1`.
         examples: [ 2, 3, 4 ]
-      - id: system
+      - id: db.system
         brief: The database management system (DBMS) product as identified by the client instrumentation.
         note: >
           The actual DBMS may differ from the one identified by the client.
           For example, when using PostgreSQL client libraries to connect to a CockroachDB, the `db.system`
           is set to `postgresql` based on the instrumentation's best knowledge.
         type:
-          allow_custom_values: true
           members:
             - id: other_sql
               value: 'other_sql'
@@ -316,10 +314,9 @@ groups:
               brief: 'Vertica'
               stability: experimental
         stability: experimental
-      - id: client.connection.state
+      - id: db.client.connection.state
         stability: experimental
         type:
-          allow_custom_values: true
           members:
             - id: idle
               value: 'idle'
@@ -329,7 +326,7 @@ groups:
               stability: experimental
         brief: "The state of a connection in the pool"
         examples: ["idle"]
-      - id: client.connection.pool.name
+      - id: db.client.connection.pool.name
         type: string
         stability: experimental
         brief: >
@@ -339,25 +336,24 @@ groups:
           formatted as `server.address:server.port`.
         examples: ["myDataSource"]
   - id: registry.db.cassandra
-    prefix: db
     type: attribute_group
     display_name: Cassandra Attributes
     brief: >
       This group defines attributes for Cassandra.
     attributes:
-      - id: cassandra.coordinator.dc
+      - id: db.cassandra.coordinator.dc
         type: string
         stability: experimental
         brief: >
           The data center of the coordinating node for a query.
         examples: 'us-west-2'
-      - id: cassandra.coordinator.id
+      - id: db.cassandra.coordinator.id
         type: string
         stability: experimental
         brief: >
           The ID of the coordinating node for a query.
         examples: 'be13faa2-8574-4d71-926d-27f16cf8a7af'
-      - id: cassandra.consistency_level
+      - id: db.cassandra.consistency_level
         brief: >
           The consistency level of the query. Based on consistency values from [CQL](https://docs.datastax.com/en/cassandra-oss/3.0/cassandra/dml/dmlConfigConsistency.html).
         type:
@@ -396,38 +392,36 @@ groups:
               value: 'local_serial'
               stability: experimental
         stability: experimental
-      - id: cassandra.idempotence
+      - id: db.cassandra.idempotence
         type: boolean
         stability: experimental
         brief: >
           Whether or not the query is idempotent.
-      - id: cassandra.page_size
+      - id: db.cassandra.page_size
         type: int
         stability: experimental
         brief: >
           The fetch size used for paging, i.e. how many rows will be returned at once.
         examples: [5000]
-      - id: cassandra.speculative_execution_count
+      - id: db.cassandra.speculative_execution_count
         type: int
         stability: experimental
         brief: >
           The number of times a query was speculatively executed. Not set or `0` if the query was not executed speculatively.
         examples: [0, 2]
   - id: registry.db.cosmosdb
-    prefix: db
     type: attribute_group
     display_name: Azure Cosmos DB Attributes
     brief: >
       This group defines attributes for Azure Cosmos DB.
     attributes:
-      - id: cosmosdb.client_id
+      - id: db.cosmosdb.client_id
         type: string
         stability: experimental
         brief: Unique Cosmos client instance id.
         examples: '3ba4827d-4422-483f-b59f-85b74211c11d'
-      - id: cosmosdb.connection_mode
+      - id: db.cosmosdb.connection_mode
         type:
-          allow_custom_values: false
           members:
             - id: gateway
               value: 'gateway'
@@ -439,9 +433,8 @@ groups:
               stability: experimental
         stability: experimental
         brief: Cosmos client connection mode.
-      - id: cosmosdb.operation_type
+      - id: db.cosmosdb.operation_type
         type:
-          allow_custom_values: true
           members:
             - id: invalid
               value: 'Invalid'
@@ -490,39 +483,38 @@ groups:
               stability: experimental
         stability: experimental
         brief: CosmosDB Operation Type.
-      - id: cosmosdb.request_charge
+      - id: db.cosmosdb.request_charge
         type: double
         stability: experimental
         brief: RU consumed for that operation
         examples: [46.18, 1.0]
-      - id: cosmosdb.request_content_length
+      - id: db.cosmosdb.request_content_length
         type: int
         stability: experimental
         brief: Request payload size in bytes
-      - id: cosmosdb.status_code
+      - id: db.cosmosdb.status_code
         type: int
         stability: experimental
         brief: Cosmos DB status code.
         examples: [200, 201]
-      - id: cosmosdb.sub_status_code
+      - id: db.cosmosdb.sub_status_code
         type: int
         stability: experimental
         brief: Cosmos DB sub status code.
         examples: [1000, 1002]
   - id: registry.db.elasticsearch
-    prefix: db
     type: attribute_group
     display_name: Elasticsearch Attributes
     brief: >
       This group defines attributes for Elasticsearch.
     attributes:
-      - id: elasticsearch.node.name
+      - id: db.elasticsearch.node.name
         type: string
         stability: experimental
         brief: >
           Represents the human-readable identifier of the node/instance to which a request was routed.
         examples: ["instance-0000000001"]
-      - id: elasticsearch.path_parts
+      - id: db.elasticsearch.path_parts
         type: template[string]
         stability: experimental
         brief: >
diff --git a/model/registry/deployment.yaml b/model/registry/deployment.yaml
index 2cf5ec0666..a43a5d13a3 100644
--- a/model/registry/deployment.yaml
+++ b/model/registry/deployment.yaml
@@ -1,24 +1,23 @@
 groups:
   - id: registry.deployment
-    prefix: deployment
     type: attribute_group
     display_name: Deployment Attributes
     brief: >
      This document defines attributes for software deployments.
     attributes:
-      - id: name
+      - id: deployment.name
         type: string
         stability: experimental
         brief: >
           The name of the deployment.
         examples: ['deploy my app', 'deploy-frontend']
-      - id: id
+      - id: deployment.id
         type: string
         stability: experimental
         brief: >
           The id of the deployment.
         examples: ['1208']
-      - id: status
+      - id: deployment.status
         type:
           members:
             - id: failed
@@ -32,7 +31,7 @@ groups:
         brief: >
           The status of the deployment.
         stability: experimental
-      - id: environment.name
+      - id: deployment.environment.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/deprecated/android.yaml b/model/registry/deprecated/android.yaml
index 9445a91d5c..fdf2018447 100644
--- a/model/registry/deprecated/android.yaml
+++ b/model/registry/deprecated/android.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.android.deprecated
-    prefix: android
     type: attribute_group
     display_name: Deprecated Android Attributes
     brief: >
         This document defines attributes that represents an occurrence of a lifecycle transition on the Android platform.
     attributes:
-      - id: state
+      - id: android.state
         stability: experimental
         brief: >
           Deprecated use the `device.app.lifecycle` event definition including
@@ -15,7 +14,6 @@ groups:
           The Android lifecycle states are defined in [Activity lifecycle callbacks](https://developer.android.com/guide/components/activities/activity-lifecycle#lc),
           and from which the `OS identifiers` are derived.
         type:
-          allow_custom_values: true
           members:
             - id: created
               value: 'created'
diff --git a/model/registry/deprecated/container.yaml b/model/registry/deprecated/container.yaml
index 01312d6865..b99b0f43b3 100644
--- a/model/registry/deprecated/container.yaml
+++ b/model/registry/deprecated/container.yaml
@@ -13,7 +13,6 @@ groups:
       - id: container.cpu.state
         brief: "Deprecated, use `cpu.mode` instead."
         type:
-          allow_custom_values: true
           members:
             - id: user
               value: 'user'
diff --git a/model/registry/deprecated/db.yaml b/model/registry/deprecated/db.yaml
index 4bdf5f1de3..9f8e56eb48 100644
--- a/model/registry/deprecated/db.yaml
+++ b/model/registry/deprecated/db.yaml
@@ -1,91 +1,90 @@
 groups:
   - id: registry.db.deprecated
-    prefix: db
     type: attribute_group
     display_name: Deprecated Database Attributes
     brief: >
       "Describes deprecated db attributes."
     attributes:
-      - id: connection_string
+      - id: db.connection_string
         type: string
         brief: 'Deprecated, use `server.address`, `server.port` attributes instead.'
         stability: experimental
         deprecated: >
           "Replaced by `server.address` and `server.port`."
         examples: Server=(localdb)\v11.0;Integrated Security=true;
-      - id: jdbc.driver_classname
+      - id: db.jdbc.driver_classname
         type: string
         brief: 'Removed, no replacement at this time.'
         stability: experimental
         deprecated: 'Removed as not used.'
         examples: ['org.postgresql.Driver', 'com.microsoft.sqlserver.jdbc.SQLServerDriver']
-      - id: operation
+      - id: db.operation
         type: string
         brief: 'Deprecated, use `db.operation.name` instead.'
         stability: experimental
         deprecated: "Replaced by `db.operation.name`."
         examples: ['findAndModify', 'HMSET', 'SELECT']
-      - id: user
+      - id: db.user
         type: string
         brief: 'Deprecated, no replacement at this time.'
         deprecated: "No replacement at this time."
         stability: experimental
         examples: ['readonly_user', 'reporting_user']
-      - id: statement
+      - id: db.statement
         type: string
         brief: The database statement being executed.
         deprecated: "Replaced by `db.query.text`."
         stability: experimental
         examples: ['SELECT * FROM wuser_table', 'SET mykey "WuValue"']
-      - id: cassandra.table
+      - id: db.cassandra.table
         type: string
         stability: experimental
         brief: 'Deprecated, use `db.collection.name` instead.'
         deprecated: "Replaced by `db.collection.name`."
         examples: 'mytable'
-      - id: cosmosdb.container
+      - id: db.cosmosdb.container
         type: string
         stability: experimental
         brief: 'Deprecated, use `db.collection.name` instead.'
         deprecated: "Replaced by `db.collection.name`."
         examples: 'mytable'
-      - id: mongodb.collection
+      - id: db.mongodb.collection
         type: string
         stability: experimental
         brief: 'Deprecated, use `db.collection.name` instead.'
         deprecated: "Replaced by `db.collection.name`."
         examples: 'mytable'
-      - id: sql.table
+      - id: db.sql.table
         type: string
         stability: experimental
         brief: 'Deprecated, use `db.collection.name` instead.'
         deprecated: "Replaced by `db.collection.name`."
         examples: 'mytable'
-      - id: redis.database_index
+      - id: db.redis.database_index
         type: int
         stability: experimental
         brief: 'Deprecated, use `db.namespace` instead.'
         deprecated: "Replaced by `db.namespace`."
         examples: [0, 1, 15]
-      - id: name
+      - id: db.name
         type: string
         stability: experimental
         brief: 'Deprecated, use `db.namespace` instead.'
         deprecated: "Replaced by `db.namespace`."
         examples: [ 'customers', 'main' ]
-      - id: mssql.instance_name
+      - id: db.mssql.instance_name
         type: string
         stability: experimental
         brief: 'Deprecated, SQL Server instance is now populated as a part of `db.namespace` attribute.'
         deprecated: 'Deprecated, no replacement at this time.'
         examples: 'MSSQLSERVER'
-      - id: instance.id
+      - id: db.instance.id
         type: string
         stability: experimental
         brief: 'Deprecated, no general replacement at this time. For Elasticsearch, use `db.elasticsearch.node.name` instead.'
         deprecated: 'Deprecated, no general replacement at this time. For Elasticsearch, use `db.elasticsearch.node.name` instead.'
         examples: 'mysql-e26b99z.example.com'
-      - id: elasticsearch.cluster.name
+      - id: db.elasticsearch.cluster.name
         type: string
         stability: experimental
         deprecated: Replaced by `db.namespace`.
@@ -102,7 +101,6 @@ groups:
       - id: state
         stability: experimental
         type:
-          allow_custom_values: true
           members:
             - id: idle
               value: 'idle'
@@ -122,7 +120,6 @@ groups:
       - id: db.client.connections.state
         stability: experimental
         type:
-          allow_custom_values: true
           members:
             - id: idle
               value: 'idle'
diff --git a/model/registry/deprecated/deployment.yaml b/model/registry/deprecated/deployment.yaml
index fa02533e25..5ac9727db0 100644
--- a/model/registry/deprecated/deployment.yaml
+++ b/model/registry/deprecated/deployment.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.deployment.deprecated
-    prefix: deployment
     type: attribute_group
     brief: >
       "Describes deprecated deployment attributes."
     attributes:
-      - id: environment
+      - id: deployment.environment
         type: string
         stability: experimental
         deprecated: 'Deprecated, use `deployment.environment.name` instead.'
diff --git a/model/registry/deprecated/enduser.yaml b/model/registry/deprecated/enduser.yaml
index 54e97dcde6..0f5723e19a 100644
--- a/model/registry/deprecated/enduser.yaml
+++ b/model/registry/deprecated/enduser.yaml
@@ -1,23 +1,22 @@
 groups:
   - id: registry.enduser.deprecated
-    prefix: enduser
     type: attribute_group
     display_name: Deprecated End User Attributes
     brief: Describes deprecated enduser attributes. Complete enduser namespace has been deprecated
     attributes:
-      - id: id
+      - id: enduser.id
         type: string
         stability: experimental
         deprecated: Replaced by `user.id` attribute.
         brief: "Deprecated, use `user.id` instead."
         examples: 'username'
-      - id: role
+      - id: enduser.role
         type: string
         stability: experimental
         deprecated: Replaced by `user.roles` attribute.
         brief: "Deprecated, use `user.roles` instead."
         examples: 'admin'
-      - id: scope
+      - id: enduser.scope
         type: string
         stability: experimental
         deprecated: Removed.
diff --git a/model/registry/deprecated/http.yaml b/model/registry/deprecated/http.yaml
index 1c35ecdc5e..1a1a0f3bbe 100644
--- a/model/registry/deprecated/http.yaml
+++ b/model/registry/deprecated/http.yaml
@@ -3,83 +3,81 @@ groups:
     type: attribute_group
     display_name: Deprecated HTTP Attributes
     brief: "Describes deprecated HTTP attributes."
-    prefix: http
     attributes:
-      - id: method
+      - id: http.method
         type: string
         brief: 'Deprecated, use `http.request.method` instead.'
         stability: experimental
         deprecated: "Replaced by `http.request.method`."
         examples: ["GET", "POST", "HEAD"]
-      - id: status_code
+      - id: http.status_code
         type: int
         brief: 'Deprecated, use `http.response.status_code` instead.'
         stability: experimental
         deprecated: "Replaced by `http.response.status_code`."
         examples: [200]
-      - id: scheme
+      - id: http.scheme
         type: string
         brief: 'Deprecated, use `url.scheme` instead.'
         stability: experimental
         deprecated: "Replaced by `url.scheme` instead."
         examples: ['http', 'https']
-      - id: url
+      - id: http.url
         type: string
         brief: 'Deprecated, use `url.full` instead.'
         stability: experimental
         deprecated: "Replaced by `url.full`."
         examples: ['https://www.foo.bar/search?q=OpenTelemetry#SemConv']
-      - id: target
+      - id: http.target
         type: string
         brief: 'Deprecated, use `url.path` and `url.query` instead.'
         stability: experimental
         deprecated: "Split to `url.path` and `url.query."
         examples: ['/search?q=OpenTelemetry#SemConv']
-      - id: request_content_length
+      - id: http.request_content_length
         type: int
         brief: 'Deprecated, use `http.request.header.content-length` instead.'
         stability: experimental
         deprecated: "Replaced by `http.request.header.content-length`."
         examples: 3495
-      - id: response_content_length
+      - id: http.response_content_length
         type: int
         brief: 'Deprecated, use `http.response.header.content-length` instead.'
         stability: experimental
         deprecated: "Replaced by `http.response.header.content-length`."
         examples: 3495
-      - id: client_ip
+      - id: http.client_ip
         type: string
         stability: experimental
         deprecated: "Replaced by `client.address`."
         brief: "Deprecated, use `client.address` instead."
         examples: '83.164.160.102'
-      - id: host
+      - id: http.host
         type: string
         stability: experimental
         deprecated: "Replaced by one of `server.address`, `client.address` or `http.request.header.host`, depending on the usage."
         brief: "Deprecated, use one of `server.address`, `client.address` or `http.request.header.host` instead, depending on the usage."
         examples: ['www.example.org']
-      - id: request_content_length_uncompressed
+      - id: http.request_content_length_uncompressed
         stability: experimental
         deprecated: "Replaced by `http.request.body.size`."
         type: int
         brief: "Deprecated, use `http.request.body.size` instead."
         examples: 5493
-      - id: response_content_length_uncompressed
+      - id: http.response_content_length_uncompressed
         stability: experimental
         deprecated: "Replace by `http.response.body.size`."
         type: int
         brief: "Deprecated, use `http.response.body.size` instead."
         examples: 5493
-      - id: server_name
+      - id: http.server_name
         type: string
         stability: experimental
         deprecated: "Replaced by `server.address`."
         brief: "Deprecated, use `server.address` instead."
         examples: ['example.com']
-      - id: flavor
+      - id: http.flavor
         type:
-          allow_custom_values: true
           members:
             - id: http_1_0
               value: '1.0'
@@ -108,7 +106,7 @@ groups:
         brief: 'Deprecated, use `network.protocol.name` instead.'
         deprecated: "Replaced by `network.protocol.name`."
         stability: experimental
-      - id: user_agent
+      - id: http.user_agent
         type: string
         brief: 'Deprecated, use `user_agent.original` instead.'
         examples: ['CERN-LineMode/2.15 libwww/2.17b3',
diff --git a/model/registry/deprecated/ios.yaml b/model/registry/deprecated/ios.yaml
index 326a40fcfd..14d4ba313d 100644
--- a/model/registry/deprecated/ios.yaml
+++ b/model/registry/deprecated/ios.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.ios.deprecated
-    prefix: ios
     type: attribute_group
     display_name: Deprecated iOS Attributes
     brief: >
         The iOS platform on which the iOS application is running.
     attributes:
-      - id: state
+      - id: ios.state
         stability: experimental
         deprecated: "Moved to a payload field of `device.app.lifecycle`."
         note: >
@@ -16,7 +15,6 @@ groups:
           Deprecated use the `device.app.lifecycle` event definition including
           `ios.state` as a payload field instead.
         type:
-          allow_custom_values: true
           members:
             - id: active
               value: 'active'
diff --git a/model/registry/deprecated/network.yaml b/model/registry/deprecated/network.yaml
index 7487f69adf..b27f51bcc1 100644
--- a/model/registry/deprecated/network.yaml
+++ b/model/registry/deprecated/network.yaml
@@ -1,80 +1,78 @@
 groups:
   - id: registry.network.deprecated
-    prefix: net
     type: attribute_group
     display_name: Deprecated Network Attributes
     brief: >
         These attributes may be used for any network related operation.
     attributes:
-      - id: sock.peer.name
+      - id: net.sock.peer.name
         type: string
         deprecated: "Removed."
         stability: experimental
         brief: Deprecated, no replacement at this time.
         examples: ['/var/my.sock']
-      - id: sock.peer.addr
+      - id: net.sock.peer.addr
         type: string
         deprecated: "Replaced by `network.peer.address`."
         stability: experimental
         brief: Deprecated, use `network.peer.address`.
         examples: ['192.168.0.1']
-      - id: sock.peer.port
+      - id: net.sock.peer.port
         type: int
         deprecated: "Replaced by `network.peer.port`."
         stability: experimental
         examples: [65531]
         brief: Deprecated, use `network.peer.port`.
-      - id: peer.name
+      - id: net.peer.name
         type: string
         deprecated: "Replaced by `server.address` on client spans and `client.address` on server spans."
         stability: experimental
         brief: Deprecated, use `server.address` on client spans and `client.address` on server spans.
         examples: ['example.com']
-      - id: peer.port
+      - id: net.peer.port
         type: int
         deprecated: "Replaced by `server.port` on client spans and `client.port` on server spans."
         stability: experimental
         brief: Deprecated, use `server.port` on client spans and `client.port` on server spans.
         examples: [8080]
-      - id: peer.ip
+      - id: net.peer.ip
         type: string
         deprecated: "Replaced by `network.peer.address`."
         stability: experimental
         brief: Deprecated, use `network.peer.address`.
         examples: '127.0.0.1'
-      - id: host.name
+      - id: net.host.name
         type: string
         deprecated: "Replaced by `server.address`."
         stability: experimental
         brief: Deprecated, use `server.address`.
         examples: ['example.com']
-      - id: host.ip
+      - id: net.host.ip
         type: string
         deprecated: "Replaced by `network.local.address`."
         stability: experimental
         brief: Deprecated, use `network.local.address`.
         examples: '192.168.0.1'
-      - id: host.port
+      - id: net.host.port
         type: int
         deprecated: "Replaced by `server.port`."
         stability: experimental
         brief: Deprecated, use `server.port`.
         examples: [8080]
-      - id: sock.host.addr
+      - id: net.sock.host.addr
         type: string
         deprecated: "Replaced by `network.local.address`."
         stability: experimental
         brief: Deprecated, use `network.local.address`.
         examples: ['/var/my.sock']
-      - id: sock.host.port
+      - id: net.sock.host.port
         type: int
         deprecated: "Replaced by `network.local.port`."
         stability: experimental
         brief: Deprecated, use `network.local.port`.
         examples: [8080]
-      - id: transport
+      - id: net.transport
         type:
-          allow_custom_values: true
           members:
             - id: ip_tcp
               value: "ip_tcp"
@@ -101,21 +99,20 @@ groups:
         deprecated: "Replaced by `network.transport`."
         stability: experimental
         brief: Deprecated, use `network.transport`.
-      - id: protocol.name
+      - id: net.protocol.name
         type: string
         deprecated: "Replaced by `network.protocol.name`."
         stability: experimental
         brief: Deprecated, use `network.protocol.name`.
         examples: ['amqp', 'http', 'mqtt']
-      - id: protocol.version
+      - id: net.protocol.version
         type: string
         deprecated: "Replaced by `network.protocol.version`."
         stability: experimental
         brief: Deprecated, use `network.protocol.version`.
         examples: '3.1.1'
-      - id: sock.family
+      - id: net.sock.family
         type:
-          allow_custom_values: true
           members:
             - id: inet
               value: 'inet'
diff --git a/model/registry/deprecated/otel.yaml b/model/registry/deprecated/otel.yaml
index b0b9cf0a8b..634eb4ea1d 100644
--- a/model/registry/deprecated/otel.yaml
+++ b/model/registry/deprecated/otel.yaml
@@ -1,19 +1,18 @@
 groups:
   - id: registry.otel.library.deprecated
-    prefix: otel.library
     type: attribute_group
     display_name: Deprecated OTel Library Attributes
     brief: "Describes deprecated otel.library attributes."
     attributes:
-      - id: name
+      - id: otel.library.name
         type: string
         deprecated: use the `otel.scope.name` attribute.
         stability: experimental
-        brief:
+        brief: ""
         examples: ['io.opentelemetry.contrib.mongodb']
-      - id: version
+      - id: otel.library.version
         type: string
         deprecated: use the `otel.scope.version` attribute.
         stability: experimental
-        brief:
+        brief: ""
         examples: ['1.0.0']
diff --git a/model/registry/deprecated/process.yaml b/model/registry/deprecated/process.yaml
index 1c79cf81b2..7941674529 100644
--- a/model/registry/deprecated/process.yaml
+++ b/model/registry/deprecated/process.yaml
@@ -8,7 +8,6 @@ groups:
         brief: "Deprecated, use `cpu.mode` instead."
         deprecated: 'Replaced by `cpu.mode`'
         type:
-          allow_custom_values: true
           members:
             - id: system
               value: 'system'
diff --git a/model/registry/deprecated/system.yaml b/model/registry/deprecated/system.yaml
index 8f2ece9d84..70ea9583ae 100644
--- a/model/registry/deprecated/system.yaml
+++ b/model/registry/deprecated/system.yaml
@@ -6,7 +6,6 @@ groups:
     attributes:
       - id: system.processes.status
         type:
-          allow_custom_values: true
           members:
             - id: running
               value: 'running'
@@ -26,7 +25,6 @@ groups:
         examples: ["running"]
       - id: system.cpu.state
         type:
-          allow_custom_values: true
           members:
             - id: user
               value: 'user'
diff --git a/model/registry/destination.yaml b/model/registry/destination.yaml
index a0631c5201..f0dc4fba43 100644
--- a/model/registry/destination.yaml
+++ b/model/registry/destination.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.destination
-    prefix: destination
     type: attribute_group
     display_name: Destination Attributes
     brief: >
@@ -11,7 +10,7 @@ groups:
       This also covers unidirectional UDP flows and peer-to-peer communication where the
       "user-facing" surface of the protocol / API doesn't expose a clear notion of client and server.
     attributes:
-      - id: address
+      - id: destination.address
         type: string
         stability: experimental
         brief: "Destination address - domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name."
@@ -19,7 +18,7 @@ groups:
           When observed from the source side, and when communicating through an intermediary, `destination.address` SHOULD represent
           the destination address behind any intermediaries, for example proxies, if it's available.
         examples: ['destination.example.com', '10.1.2.80', '/tmp/my.sock']
-      - id: port
+      - id: destination.port
         type: int
         stability: experimental
         brief: 'Destination port number'
diff --git a/model/registry/device.yaml b/model/registry/device.yaml
index 901bf1869c..6fc25d8f6f 100644
--- a/model/registry/device.yaml
+++ b/model/registry/device.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.device
-    prefix: device
     type: attribute_group
     display_name: Device Attributes
     brief: >
         Describes device attributes.
     attributes:
-      - id: id
+      - id: device.id
         type: string
         stability: experimental
         brief: >
@@ -21,7 +20,7 @@ groups:
           Caution should be taken when storing personal data or anything which can identify a user. GDPR and
           data protection laws may apply, ensure you do your own due diligence.
         examples: ['2ab2916d-a51f-4ac8-80ee-45ac31a28092']
-      - id: manufacturer
+      - id: device.manufacturer
         type: string
         stability: experimental
         brief: >
@@ -30,7 +29,7 @@ groups:
           The Android OS provides this field via [Build](https://developer.android.com/reference/android/os/Build#MANUFACTURER).
           iOS apps SHOULD hardcode the value `Apple`.
         examples: ['Apple', 'Samsung']
-      - id: model.identifier
+      - id: device.model.identifier
         type: string
         stability: experimental
         brief: >
@@ -40,7 +39,7 @@ groups:
           the model identifier rather than the market or consumer-friendly name
           of the device.
         examples: ['iPhone3,4', 'SM-G920F']
-      - id: model.name
+      - id: device.model.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/disk.yaml b/model/registry/disk.yaml
index b8dc420351..ecaffd1f05 100644
--- a/model/registry/disk.yaml
+++ b/model/registry/disk.yaml
@@ -1,14 +1,12 @@
 groups:
   - id: registry.disk
-    prefix: disk
     type: attribute_group
     display_name: Disk Attributes
     brief: >
         These attributes may be used for any disk related operation.
     attributes:
-      - id: io.direction
+      - id: disk.io.direction
         type:
-          allow_custom_values: false
           members:
             - id: read
               value: 'read'
diff --git a/model/registry/dns.yaml b/model/registry/dns.yaml
index f58187e0c9..78310e93d1 100644
--- a/model/registry/dns.yaml
+++ b/model/registry/dns.yaml
@@ -2,11 +2,10 @@ groups:
   - id: registry.dns
     type: attribute_group
     display_name: DNS Attributes
-    prefix: dns
     brief: >
       This document defines the shared attributes used to report a DNS query.
     attributes:
-      - id: question.name
+      - id: dns.question.name
         type: string
         stability: experimental
         brief: The name being queried.
diff --git a/model/registry/error.yaml b/model/registry/error.yaml
index 95183df639..35f8b57222 100644
--- a/model/registry/error.yaml
+++ b/model/registry/error.yaml
@@ -2,16 +2,14 @@ groups:
   - id: registry.error
     type: attribute_group
     display_name: Error Attributes
-    prefix: error
     brief: >
       This document defines the shared attributes used to report an error.
     attributes:
-      - id: type
+      - id: error.type
         stability: stable
         brief: >
           Describes a class of error the operation ended with.
         type:
-          allow_custom_values: true
           members:
             - id: other
               value: "_OTHER"
diff --git a/model/registry/event.yaml b/model/registry/event.yaml
index 0c1e32400e..7fdfe7feea 100644
--- a/model/registry/event.yaml
+++ b/model/registry/event.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.event
-    prefix: event
     type: attribute_group
     display_name: Event Attributes
     brief: >
       Attributes for Events represented using Log Records.
     attributes:
-      - id: name
+      - id: event.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/exception.yaml b/model/registry/exception.yaml
index def10422b2..63897ae5d2 100644
--- a/model/registry/exception.yaml
+++ b/model/registry/exception.yaml
@@ -2,12 +2,11 @@ groups:
   - id: registry.exception
     type: attribute_group
     display_name: Exception Attributes
-    prefix: exception
     brief: >
       This document defines the shared attributes used to
       report a single exception associated with a span or log.
     attributes:
-      - id: type
+      - id: exception.type
         type: string
         stability: stable
         brief: >
@@ -15,12 +14,12 @@ groups:
           The dynamic type of the exception should be preferred over the static type
           in languages that support it.
         examples: ["java.net.ConnectException", "OSError"]
-      - id: message
+      - id: exception.message
         type: string
         stability: stable
         brief: The exception message.
         examples: ["Division by zero", "Can't convert 'int' object to str implicitly"]
-      - id: stacktrace
+      - id: exception.stacktrace
         type: string
         stability: stable
         brief: >
@@ -30,7 +29,7 @@ groups:
         at com.example.GenerateTrace.methodB(GenerateTrace.java:13)\n
         at com.example.GenerateTrace.methodA(GenerateTrace.java:9)\n
         at com.example.GenerateTrace.main(GenerateTrace.java:5)'
-      - id: escaped
+      - id: exception.escaped
         type: boolean
         stability: stable
         brief: >
diff --git a/model/registry/faas.yaml b/model/registry/faas.yaml
index 6fb139fbf0..4d3e4d0eb1 100644
--- a/model/registry/faas.yaml
+++ b/model/registry/faas.yaml
@@ -3,9 +3,8 @@ groups:
     brief: FaaS attributes
     type: attribute_group
     display_name: Function as a Service Attributes
-    prefix: faas
     attributes:
-      - id: name
+      - id: faas.name
         type: string
         stability: experimental
         brief: >
@@ -28,7 +27,7 @@ groups:
             app can host multiple functions that would usually share
             a TracerProvider (see also the `cloud.resource_id` attribute).
         examples: ['my-function', 'myazurefunctionapp/some-function-name']
-      - id: version
+      - id: faas.version
         type: string
         stability: experimental
         brief: The immutable version of the function being executed.
@@ -43,7 +42,7 @@ groups:
             [`K_REVISION` environment variable](https://cloud.google.com/functions/docs/env-var#runtime_environment_variables_set_automatically).
           * **Azure Functions:** Not applicable. Do not set this attribute.
         examples: ['26', 'pinkfroid-00002']
-      - id: instance
+      - id: faas.instance
         type: string
         stability: experimental
         brief: >
@@ -52,7 +51,7 @@ groups:
         note: >
           * **AWS Lambda:** Use the (full) log stream name.
         examples: ['2021/06/28/[$LATEST]2f399eb14537447da05ab2a2e39309de']
-      - id: max_memory
+      - id: faas.max_memory
         type: int
         stability: experimental
         brief: >
@@ -63,12 +62,11 @@ groups:
           On AWS Lambda, the environment variable `AWS_LAMBDA_FUNCTION_MEMORY_SIZE`
           provides this information (which must be multiplied by 1,048,576).
         examples: 134217728
-      - id: trigger
+      - id: faas.trigger
         stability: experimental
         brief: >
           Type of the trigger which caused this function invocation.
         type:
-          allow_custom_values: false
           members:
             - id: datasource
               value: 'datasource'
@@ -90,7 +88,7 @@ groups:
               value: 'other'
               brief: 'If none of the others apply'
               stability: experimental
-      - id: invoked_name
+      - id: faas.invoked_name
         type: string
         stability: experimental
         brief: >
@@ -99,10 +97,9 @@ groups:
           SHOULD be equal to the `faas.name` resource attribute of the
           invoked function.
         examples: 'my-function'
-      - id: invoked_provider
+      - id: faas.invoked_provider
         stability: experimental
         type:
-          allow_custom_values: true
           members:
             - id: 'alibaba_cloud'
               value: 'alibaba_cloud'
@@ -129,7 +126,7 @@ groups:
         note: >
           SHOULD be equal to the `cloud.provider` resource attribute of the
           invoked function.
-      - id: invoked_region
+      - id: faas.invoked_region
         type: string
         stability: experimental
         brief: >
@@ -138,13 +135,13 @@ groups:
           SHOULD be equal to the `cloud.region` resource attribute of the
           invoked function.
         examples: 'eu-central-1'
-      - id: invocation_id
+      - id: faas.invocation_id
         type: string
         stability: experimental
         brief: >
           The invocation ID of the current function invocation.
         examples: 'af9d5aa4-a685-4c5f-a22b-444f80b3cc28'
-      - id: time
+      - id: faas.time
         type: string
         stability: experimental
         brief: >
@@ -152,20 +149,20 @@ groups:
           [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html)
           format expressed in [UTC](https://www.w3.org/TR/NOTE-datetime).
         examples: "2020-01-23T13:47:06Z"
-      - id: cron
+      - id: faas.cron
         type: string
         stability: experimental
         brief: >
           A string containing the schedule period as
           [Cron Expression](https://docs.oracle.com/cd/E12058_01/doc/doc.1014/e12030/cron_expressions.htm).
         examples: "0/5 * * * ? *"
-      - id: coldstart
+      - id: faas.coldstart
         type: boolean
         stability: experimental
         brief: >
           A boolean that is true if the serverless function is executed for the
           first time (aka cold-start).
-      - id: document.collection
+      - id: faas.document.collection
         type: string
         stability: experimental
         brief: >
@@ -173,10 +170,9 @@ groups:
           For example, in Cloud Storage or S3 corresponds to the bucket name,
           and in Cosmos DB to the database name.
         examples: ['myBucketName', 'myDbName']
-      - id: document.operation
+      - id: faas.document.operation
         stability: experimental
         type:
-          allow_custom_values: true
           members:
             - id: insert
               value: 'insert'
@@ -191,7 +187,7 @@ groups:
               brief: 'When an object is deleted.'
               stability: experimental
         brief: 'Describes the type of the operation that was performed on the data.'
-      - id: document.time
+      - id: faas.document.time
         type: string
         stability: experimental
         brief: >
@@ -199,7 +195,7 @@ groups:
           [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html)
           format expressed in [UTC](https://www.w3.org/TR/NOTE-datetime).
         examples: "2020-01-23T13:47:06Z"
-      - id: document.name
+      - id: faas.document.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/feature-flag.yaml b/model/registry/feature-flag.yaml
index 1b41ff3898..1533d685ec 100644
--- a/model/registry/feature-flag.yaml
+++ b/model/registry/feature-flag.yaml
@@ -1,22 +1,21 @@
 groups:
   - id: registry.feature_flag
-    prefix: feature_flag
     type: attribute_group
     display_name: Feature Flag Attributes
     brief: >
         This document defines attributes for Feature Flags.
     attributes:
-      - id: key
+      - id: feature_flag.key
         type: string
         stability: experimental
         brief: The unique identifier of the feature flag.
         examples: ["logo-color"]
-      - id: provider_name
+      - id: feature_flag.provider_name
         type: string
         stability: experimental
         brief: The name of the service provider that performs the flag evaluation.
         examples: ["Flag Manager"]
-      - id: variant
+      - id: feature_flag.variant
         type: string
         stability: experimental
         examples: ["red", "true", "on"]
diff --git a/model/registry/file.yaml b/model/registry/file.yaml
index 57d33a4106..742f95afee 100644
--- a/model/registry/file.yaml
+++ b/model/registry/file.yaml
@@ -1,17 +1,16 @@
 groups:
   - id: registry.file
-    prefix: file
     type: attribute_group
     display_name: File Attributes
     brief: "Describes file attributes."
     attributes:
-      - id: directory
+      - id: file.directory
         type: string
         brief: >
           Directory where the file is located. It should include the drive letter, when appropriate.
         stability: experimental
         examples: ['/home/user', 'C:\Program Files\MyApp']
-      - id: extension
+      - id: file.extension
         type: string
         brief: >
           File extension, excluding the leading dot.
@@ -20,19 +19,19 @@ groups:
         note: >
           When the file name has multiple extensions (example.tar.gz), only the last one should
           be captured ("gz", not "tar.gz").
-      - id: name
+      - id: file.name
         type: string
         brief: >
           Name of the file including the extension, without the directory.
         stability: experimental
         examples: ['example.png']
-      - id: path
+      - id: file.path
         type: string
         brief: >
           Full path to the file, including the file name. It should include the drive letter, when appropriate.
         stability: experimental
         examples: ['/home/alice/example.png', 'C:\Program Files\MyApp\myapp.exe']
-      - id: size
+      - id: file.size
         type: int
         brief: >
           File size in bytes.
diff --git a/model/registry/gcp.yaml b/model/registry/gcp.yaml
index 66f9273d20..df2dcbbd36 100644
--- a/model/registry/gcp.yaml
+++ b/model/registry/gcp.yaml
@@ -1,17 +1,11 @@
 groups:
-  - id: registry.gcp
-    prefix: gcp
-    type: attribute_group
-    display_name: GCP Attributes
-    brief: Attributes for Google Cloud
   - id: registry.gcp.client
-    prefix: gcp.client
     type: attribute_group
     display_name: GCP Client Attributes
     brief: >
       Attributes for Google Cloud client libraries.
     attributes:
-      - id: service
+      - id: gcp.client.service
         type: string
         stability: experimental
         brief: Identifies the Google Cloud service for which the official client library is intended.
@@ -22,13 +16,12 @@ groups:
           example, 'foo.googleapis.com' should result in a value of 'foo'.
         examples: ['appengine', 'run', 'firestore', 'alloydb', 'spanner']
   - id: registry.gcp.cloud_run
-    prefix: gcp.cloud_run
     type: attribute_group
     display_name: GCP - Google Cloud Run Attributes
     brief: >
       This document defines attributes for Google Cloud Run.
     attributes:
-      - id: job.execution
+      - id: gcp.cloud_run.job.execution
         type: string
         stability: experimental
         brief: >
@@ -38,7 +31,7 @@ groups:
           [`CLOUD_RUN_EXECUTION`](https://cloud.google.com/run/docs/container-contract#jobs-env-vars)
           environment variable.
         examples: ['job-name-xxxx', 'sample-job-mdw84']
-      - id: job.task_index
+      - id: gcp.cloud_run.job.task_index
         type: int
         stability: experimental
         brief: >
@@ -47,13 +40,12 @@ groups:
           environment variable.
         examples: [0, 1]
   - id: registry.gcp.gce
-    prefix: gcp.gce
     type: attribute_group
     display_name: GCP - Google Compute Engine (GCE) Attributes
     brief: >
       This document defines attributes for Google Compute Engine (GCE).
     attributes:
-      - id: instance.name
+      - id: gcp.gce.instance.name
         type: string
         stability: experimental
         brief: >
@@ -64,7 +56,7 @@ groups:
           DNS
           name](https://cloud.google.com/compute/docs/internal-dns#instance-fully-qualified-domain-names).
         examples: ['instance-1', 'my-vm-name']
-      - id: instance.hostname
+      - id: gcp.gce.instance.hostname
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/gen-ai.yaml b/model/registry/gen-ai.yaml
index 820906f108..ac9d6c5e54 100644
--- a/model/registry/gen-ai.yaml
+++ b/model/registry/gen-ai.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.gen_ai
-    prefix: gen_ai
     type: attribute_group
     display_name: GenAI Attributes
     brief: >
       This document defines the attributes used to describe telemetry in the context of Generative Artificial Intelligence (GenAI) Models requests and responses.
     attributes:
-      - id: system
+      - id: gen_ai.system
         stability: experimental
         type:
           members:
@@ -38,73 +37,72 @@ groups:
           For custom model, a custom friendly name SHOULD be used.
           If none of these options apply, the `gen_ai.system` SHOULD be set to `_OTHER`.
         examples: 'openai'
-      - id: request.model
+      - id: gen_ai.request.model
         stability: experimental
         type: string
         brief: The name of the GenAI model a request is being made to.
         examples: 'gpt-4'
-      - id: request.max_tokens
+      - id: gen_ai.request.max_tokens
         stability: experimental
         type: int
         brief: The maximum number of tokens the model generates for a request.
         examples: [100]
-      - id: request.temperature
+      - id: gen_ai.request.temperature
         stability: experimental
         type: double
         brief: The temperature setting for the GenAI request.
         examples: [0.0]
-      - id: request.top_p
+      - id: gen_ai.request.top_p
         stability: experimental
         type: double
         brief: The top_p sampling setting for the GenAI request.
         examples: [1.0]
-        tag: llm-generic-request
-      - id: request.top_k
+      - id: gen_ai.request.top_k
         stability: experimental
         type: double
         brief: The top_k sampling setting for the GenAI request.
         examples: [1.0]
-      - id: request.stop_sequences
+      - id: gen_ai.request.stop_sequences
         stability: experimental
         type: string[]
         brief: List of sequences that the model will use to stop generating further tokens.
         examples: ['forest', 'lived']
-      - id: request.frequency_penalty
+      - id: gen_ai.request.frequency_penalty
         stability: experimental
         type: double
         brief: The frequency penalty setting for the GenAI request.
         examples: [0.1]
-      - id: request.presence_penalty
+      - id: gen_ai.request.presence_penalty
         stability: experimental
         type: double
         brief: The presence penalty setting for the GenAI request.
         examples: [0.1]
-      - id: response.id
+      - id: gen_ai.response.id
         stability: experimental
         type: string
         brief: The unique identifier for the completion.
         examples: ['chatcmpl-123']
-      - id: response.model
+      - id: gen_ai.response.model
         stability: experimental
         type: string
         brief: The name of the model that generated the response.
         examples: ['gpt-4-0613']
-      - id: response.finish_reasons
+      - id: gen_ai.response.finish_reasons
         stability: experimental
         type: string[]
         brief: Array of reasons the model stopped generating tokens, corresponding to each generation received.
         examples: ['stop']
-      - id: usage.input_tokens
+      - id: gen_ai.usage.input_tokens
         stability: experimental
         type: int
         brief: The number of tokens used in the GenAI input (prompt).
         examples: [100]
-      - id: usage.output_tokens
+      - id: gen_ai.usage.output_tokens
         stability: experimental
         type: int
         brief: The number of tokens used in the GenAI response (completion).
         examples: [180]
-      - id: token.type
+      - id: gen_ai.token.type
         stability: experimental
         type:
           members:
@@ -118,19 +116,19 @@ groups:
               brief: 'Output tokens (completion, response, etc.)'
         brief: The type of token being counted.
         examples: ['input', 'output']
-      - id: prompt
+      - id: gen_ai.prompt
         stability: experimental
         type: string
         brief: The full prompt sent to the GenAI model.
         note: It's RECOMMENDED to format prompts as JSON string matching [OpenAI messages format](https://platform.openai.com/docs/guides/text-generation)
         examples: ["[{'role': 'user', 'content': 'What is the capital of France?'}]"]
-      - id: completion
+      - id: gen_ai.completion
         stability: experimental
         type: string
         brief: The full response received from the GenAI model.
         note: It's RECOMMENDED to format completions as JSON string matching [OpenAI messages format](https://platform.openai.com/docs/guides/text-generation)
         examples: ["[{'role': 'assistant', 'content': 'The capital of France is Paris.'}]"]
-      - id: operation.name
+      - id: gen_ai.operation.name
         stability: experimental
         type:
           members:
diff --git a/model/registry/go.yaml b/model/registry/go.yaml
index 2c3727d5c7..5814394ca6 100644
--- a/model/registry/go.yaml
+++ b/model/registry/go.yaml
@@ -2,14 +2,12 @@ groups:
   - id: registry.go
     type: attribute_group
     display_name: Go Attributes
-    prefix: go
     brief: >
       This document defines Go related attributes.
     attributes:
-      - id: memory.type
+      - id: go.memory.type
         stability: experimental
         type:
-          allow_custom_values: false
           members:
             - id: stack
               value: 'stack'
diff --git a/model/registry/graphql.yaml b/model/registry/graphql.yaml
index ca015d017f..acb5e312e7 100644
--- a/model/registry/graphql.yaml
+++ b/model/registry/graphql.yaml
@@ -1,20 +1,18 @@
 groups:
   - id: registry.graphql
-    prefix: graphql
     type: attribute_group
     display_name: GraphQL Attributes
     brief: 'This document defines attributes for GraphQL.'
     attributes:
-      - id: operation.name
+      - id: graphql.operation.name
         brief: "The name of the operation being executed."
         type: string
         stability: experimental
         examples: 'findBookById'
-      - id: operation.type
+      - id: graphql.operation.type
         brief: "The type of the operation being executed."
         stability: experimental
         type:
-          allow_custom_values: false
           members:
             - id: query
               value: "query"
@@ -29,7 +27,7 @@ groups:
               brief: "GraphQL subscription"
               stability: experimental
         examples: ['query', 'mutation', 'subscription']
-      - id: document
+      - id: graphql.document
         brief: "The GraphQL document being executed."
         type: string
         stability: experimental
diff --git a/model/registry/heroku.yaml b/model/registry/heroku.yaml
index f9ff7a85e2..8ec5f9e1a2 100644
--- a/model/registry/heroku.yaml
+++ b/model/registry/heroku.yaml
@@ -1,24 +1,23 @@
 groups:
   - id: registry.heroku
-    prefix: heroku
     type: attribute_group
     display_name: Heroku Attributes
     brief: >
         This document defines attributes for the Android platform on which the Android application is running.
     attributes:
-      - id: release.creation_timestamp
+      - id: heroku.release.creation_timestamp
         type: string
         stability: experimental
         brief: >
           Time and date the release was created
         examples: [ '2022-10-23T18:00:42Z' ]
-      - id: release.commit
+      - id: heroku.release.commit
         type: string
         stability: experimental
         brief: >
           Commit hash for the current release
         examples: [ 'e6134959463efd8966b20e75b913cafe3f5ec' ]
-      - id: app.id
+      - id: heroku.app.id
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/host.yaml b/model/registry/host.yaml
index fd2d3db9e1..201f622f7d 100644
--- a/model/registry/host.yaml
+++ b/model/registry/host.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.host
-    prefix: host
     type: attribute_group
     display_name: Host Attributes
     brief: >
       A host is defined as a computing instance. For example, physical servers, virtual machines, switches or disk array.
     attributes:
-      - id: id
+      - id: host.id
         type: string
         stability: experimental
         brief: >
@@ -14,7 +13,7 @@ groups:
           For non-containerized systems, this should be the `machine-id`. See the table below for
           the sources to use to determine the `machine-id` based on operating system.
         examples: ['fdbf79e8af94cb7f9e8df36789187052']
-      - id: name
+      - id: host.name
         type: string
         stability: experimental
         brief: >
@@ -22,15 +21,14 @@ groups:
           command returns, or the fully qualified hostname, or another name
           specified by the user.
         examples: ['opentelemetry-test']
-      - id: type
+      - id: host.type
         type: string
         stability: experimental
         brief: >
           Type of host. For Cloud, this must be the machine type.
         examples: ['n1-standard-1']
-      - id: arch
+      - id: host.arch
         type:
-          allow_custom_values: true
           members:
             - id: amd64
               value: 'amd64'
@@ -67,26 +65,26 @@ groups:
         stability: experimental
         brief: >
             The CPU architecture the host system is running on.
-      - id: image.name
+      - id: host.image.name
         type: string
         stability: experimental
         brief: >
           Name of the VM image or OS install the host was instantiated from.
         examples: ['infra-ami-eks-worker-node-7d4ec78312', 'CentOS-8-x86_64-1905']
-      - id: image.id
+      - id: host.image.id
         stability: experimental
         type: string
         brief: >
           VM image ID or host OS image ID. For Cloud, this value is from the provider.
         examples: ['ami-07b06b442921831e5']
-      - id: image.version
+      - id: host.image.version
         stability: experimental
         type: string
         brief: >
           The version string of the VM image or host OS as defined in
           [Version Attributes](/docs/resource/README.md#version-attributes).
         examples: ['0.1']
-      - id: ip
+      - id: host.ip
         stability: experimental
         type: string[]
         brief: >
@@ -95,7 +93,7 @@ groups:
           IPv4 Addresses MUST be specified in dotted-quad notation. IPv6 addresses
           MUST be specified in the [RFC 5952](https://www.rfc-editor.org/rfc/rfc5952.html) format.
         examples: ["192.168.1.140", "fe80::abc2:4a28:737a:609e"]
-      - id: mac
+      - id: host.mac
         stability: experimental
         type: string[]
         brief: >
@@ -104,7 +102,7 @@ groups:
           MAC Addresses MUST be represented in [IEEE RA hexadecimal form](https://standards.ieee.org/wp-content/uploads/import/documents/tutorials/eui.pdf):
           as hyphen-separated octets in uppercase hexadecimal form from most to least significant.
         examples: ['AC-DE-48-23-45-67', 'AC-DE-48-23-45-67-01-9F']
-      - id: cpu.vendor.id
+      - id: host.cpu.vendor.id
         stability: experimental
         type: string
         brief: >
@@ -113,32 +111,32 @@ groups:
           [CPUID](https://wiki.osdev.org/CPUID) command returns the vendor ID string in EBX, EDX and ECX registers.
           Writing these to memory in this order results in a 12-character string.
         examples: [ 'GenuineIntel' ]
-      - id: cpu.family
+      - id: host.cpu.family
         stability: experimental
         type: string
         brief: >
           Family or generation of the CPU.
         examples: [ '6', 'PA-RISC 1.1e' ]
-      - id: cpu.model.id
+      - id: host.cpu.model.id
         stability: experimental
         type: string
         brief: >
           Model identifier. It provides more granular information about the CPU, distinguishing it from
           other CPUs within the same family.
         examples: [ '6', '9000/778/B180L' ]
-      - id: cpu.model.name
+      - id: host.cpu.model.name
         stability: experimental
         type: string
         brief: >
           Model designation of the processor.
         examples: [ '11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz' ]
-      - id: cpu.stepping
+      - id: host.cpu.stepping
         stability: experimental
         type: string
         brief: >
           Stepping or core revisions.
         examples: ["1", "r1p1"]
-      - id: cpu.cache.l2.size
+      - id: host.cpu.cache.l2.size
         stability: experimental
         type: int
         brief: >
diff --git a/model/registry/http.yaml b/model/registry/http.yaml
index 71583d4767..ff0a002d39 100644
--- a/model/registry/http.yaml
+++ b/model/registry/http.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.http
-    prefix: http
     type: attribute_group
     display_name: HTTP Attributes
     brief: 'This document defines semantic convention attributes in the HTTP namespace.'
     attributes:
-      - id: request.body.size
+      - id: http.request.body.size
         type: int
         brief: >
           The size of the request payload body in bytes. This is the number of bytes transferred excluding headers and
@@ -13,7 +12,7 @@ groups:
           header. For requests using transport encoding, this should be the compressed size.
         examples: 3495
         stability: experimental  # this should not be marked stable with other HTTP attributes
-      - id: request.header
+      - id: http.request.header
         stability: stable
         type: template[string[]]
         brief: >
@@ -29,10 +28,9 @@ groups:
           or a single-item array containing a possibly comma-concatenated string, depending on the way
           the HTTP library provides access to headers.
         examples: ['http.request.header.content-type=["application/json"]', 'http.request.header.x-forwarded-for=["1.2.3.4", "1.2.3.5"]']
-      - id: request.method
+      - id: http.request.method
         stability: stable
         type:
-          allow_custom_values: true
           members:
             - id: connect
               value: "CONNECT"
@@ -91,12 +89,12 @@ groups:
           HTTP method names are case-sensitive and `http.request.method` attribute value MUST match a known HTTP method name exactly.
           Instrumentations for specific web frameworks that consider HTTP methods to be case insensitive, SHOULD populate a canonical equivalent.
           Tracing instrumentations that do so, MUST also set `http.request.method_original` to the original value.
-      - id: request.method_original
+      - id: http.request.method_original
         stability: stable
         type: string
         brief: Original HTTP method sent by the client in the request line.
         examples: ["GeT", "ACL", "foo"]
-      - id: request.resend_count
+      - id: http.request.resend_count
         stability: stable
         type: int
         brief: >
@@ -106,14 +104,14 @@ groups:
           was the cause of the resending (e.g. redirection, authorization failure, 503 Server Unavailable, network issues,
           or any other).
         examples: 3
-      - id: request.size
+      - id: http.request.size
         type: int
         brief: >
           The total size of the request in bytes. This should be the total number of bytes sent over the wire, including the request line (HTTP/1.1),
           framing (HTTP/2 and HTTP/3), headers, and request body if any.
         examples: 1437
         stability: experimental
-      - id: response.body.size
+      - id: http.response.body.size
         type: int
         brief: >
           The size of the response payload body in bytes. This is the number of bytes transferred excluding headers and
@@ -121,7 +119,7 @@ groups:
           header. For requests using transport encoding, this should be the compressed size.
         examples: 3495
         stability: experimental  # this should not be marked stable with other HTTP attributes
-      - id: response.header
+      - id: http.response.header
         stability: stable
         type: template[string[]]
         brief: >
@@ -136,19 +134,19 @@ groups:
           or a single-item array containing a possibly comma-concatenated string, depending on the way
           the HTTP library provides access to headers.
         examples: ['http.response.header.content-type=["application/json"]', 'http.response.header.my-custom-header=["abc", "def"]']
-      - id: response.size
+      - id: http.response.size
         type: int
         brief: >
           The total size of the response in bytes. This should be the total number of bytes sent over the wire, including the status line (HTTP/1.1),
           framing (HTTP/2 and HTTP/3), headers, and response body and trailers if any.
         examples: 1437
         stability: experimental
-      - id: response.status_code
+      - id: http.response.status_code
         stability: stable
         type: int
         brief: '[HTTP response status code](https://tools.ietf.org/html/rfc7231#section-6).'
         examples: [200]
-      - id: route
+      - id: http.route
         stability: stable
         type: string
         brief: >
@@ -158,9 +156,8 @@ groups:
           MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
 
           SHOULD include the [application root](/docs/http/http-spans.md#http-server-definitions) if there is one.
-      - id: connection.state
+      - id: http.connection.state
         type:
-          allow_custom_values: true
           members:
             - id: active
               value: "active"
diff --git a/model/registry/jvm.yaml b/model/registry/jvm.yaml
index 9ec093f5fe..4a515d9714 100644
--- a/model/registry/jvm.yaml
+++ b/model/registry/jvm.yaml
@@ -2,11 +2,10 @@ groups:
   - id: registry.jvm
     type: attribute_group
     display_name: Java Virtual Machine (JVM) Attributes
-    prefix: jvm
     brief: >
       This document defines Java Virtual machine related attributes.
     attributes:
-      - id: gc.action
+      - id: jvm.gc.action
         stability: stable
         type: string
         brief: Name of the garbage collector action.
@@ -14,7 +13,7 @@ groups:
         note: >
           Garbage collector action is generally obtained via
           [GarbageCollectionNotificationInfo#getGcAction()](https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/GarbageCollectionNotificationInfo.html#getGcAction()).
-      - id: gc.name
+      - id: jvm.gc.name
         stability: stable
         type: string
         brief: Name of the garbage collector.
@@ -22,10 +21,9 @@ groups:
         note: >
           Garbage collector name is generally obtained via
           [GarbageCollectionNotificationInfo#getGcName()](https://docs.oracle.com/en/java/javase/11/docs/api/jdk.management/com/sun/management/GarbageCollectionNotificationInfo.html#getGcName()).
-      - id: memory.type
+      - id: jvm.memory.type
         stability: stable
         type:
-          allow_custom_values: false
           members:
             - id: heap
               value: 'heap'
@@ -37,7 +35,7 @@ groups:
               stability: stable
         brief: The type of memory.
         examples: ["heap", "non_heap"]
-      - id: memory.pool.name
+      - id: jvm.memory.pool.name
         stability: stable
         type: string
         brief: Name of the memory pool.
@@ -45,16 +43,15 @@ groups:
         note: >
           Pool names are generally obtained via
           [MemoryPoolMXBean#getName()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryPoolMXBean.html#getName()).
-      - id: thread.daemon
+      - id: jvm.thread.daemon
         stability: stable
         type: boolean
         brief: "Whether the thread is daemon or not."
-      - id: thread.state
+      - id: jvm.thread.state
         stability: stable
         brief: "State of the thread."
         examples: ["runnable", "blocked"]
         type:
-          allow_custom_values: false
           members:
             - id: new
               value: 'new'
@@ -80,7 +77,7 @@ groups:
               value: 'terminated'
               brief: 'A thread that has exited is in this state.'
               stability: stable
-      - id: buffer.pool.name
+      - id: jvm.buffer.pool.name
         type: string
         stability: experimental
         brief: Name of the buffer pool.
diff --git a/model/registry/k8s.yaml b/model/registry/k8s.yaml
index 50f38b3132..42da6ab238 100644
--- a/model/registry/k8s.yaml
+++ b/model/registry/k8s.yaml
@@ -1,18 +1,17 @@
 groups:
   - id: registry.k8s
-    prefix: k8s
     type: attribute_group
     display_name: Kubernetes Attributes
     brief: >
       Kubernetes resource attributes.
     attributes:
-      - id: cluster.name
+      - id: k8s.cluster.name
         type: string
         stability: experimental
         brief: >
           The name of the cluster.
         examples: ['opentelemetry-cluster']
-      - id: cluster.uid
+      - id: k8s.cluster.uid
         type: string
         stability: experimental
         brief: >
@@ -42,49 +41,49 @@ groups:
           Therefore, UIDs between clusters should be extremely unlikely to
           conflict.
         examples: ['218fc5a9-a5f1-4b54-aa05-46717d0ab26d']
-      - id: node.name
+      - id: k8s.node.name
         type: string
         stability: experimental
         brief: >
           The name of the Node.
         examples: ['node-1']
-      - id: node.uid
+      - id: k8s.node.uid
         type: string
         stability: experimental
         brief: >
           The UID of the Node.
         examples: ['1eb3a0c6-0477-4080-a9cb-0cb7db65c6a2']
-      - id: namespace.name
+      - id: k8s.namespace.name
         type: string
         stability: experimental
         brief: >
           The name of the namespace that the pod is running in.
         examples: ['default']
-      - id: pod.uid
+      - id: k8s.pod.uid
         type: string
         stability: experimental
         brief: >
           The UID of the Pod.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: pod.name
+      - id: k8s.pod.name
         type: string
         stability: experimental
         brief: >
           The name of the Pod.
         examples: ['opentelemetry-pod-autoconf']
-      - id: pod.label
+      - id: k8s.pod.label
         type: template[string]
         stability: experimental
         brief: >
           The label key-value pairs placed on the Pod, the `<key>` being the label name, the value being the label value.
         examples: ['k8s.pod.label.app=my-app', 'k8s.pod.label.mycompany.io/arch=x64', 'k8s.pod.label.data=']
-      - id: pod.annotation
+      - id: k8s.pod.annotation
         type: template[string]
         stability: experimental
         brief: >
           The annotation key-value pairs placed on the Pod, the `<key>` being the annotation name, the value being the annotation value.
         examples: [ 'k8s.pod.annotation.kubernetes.io/enforce-mountable-secrets=true', 'k8s.pod.annotation.mycompany.io/arch=x64', 'k8s.pod.annotation.data=' ]
-      - id: container.name
+      - id: k8s.container.name
         type: string
         stability: experimental
         brief: >
@@ -92,87 +91,87 @@ groups:
           within a Pod. Container runtime usually uses different globally unique
           name (`container.name`).
         examples: ['redis']
-      - id: container.restart_count
+      - id: k8s.container.restart_count
         type: int
         stability: experimental
         brief: >
           Number of times the container was restarted. This attribute can be
           used to identify a particular container (running or stopped) within a
           container spec.
-      - id: container.status.last_terminated_reason
+      - id: k8s.container.status.last_terminated_reason
         type: string
         stability: experimental
         brief: >
           Last terminated reason of the Container.
         examples: ["Evicted", "Error"]
 
-      - id: replicaset.uid
+      - id: k8s.replicaset.uid
         type: string
         stability: experimental
         brief: >
           The UID of the ReplicaSet.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: replicaset.name
+      - id: k8s.replicaset.name
         type: string
         stability: experimental
         brief: >
           The name of the ReplicaSet.
         examples: ['opentelemetry']
-      - id: deployment.uid
+      - id: k8s.deployment.uid
         type: string
         stability: experimental
         brief: >
           The UID of the Deployment.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: deployment.name
+      - id: k8s.deployment.name
         type: string
         stability: experimental
         brief: >
           The name of the Deployment.
         examples: ['opentelemetry']
-      - id: statefulset.uid
+      - id: k8s.statefulset.uid
         type: string
         stability: experimental
         brief: >
           The UID of the StatefulSet.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: statefulset.name
+      - id: k8s.statefulset.name
         type: string
         stability: experimental
         brief: >
           The name of the StatefulSet.
         examples: ['opentelemetry']
-      - id: daemonset.uid
+      - id: k8s.daemonset.uid
         type: string
         stability: experimental
         brief: >
           The UID of the DaemonSet.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: daemonset.name
+      - id: k8s.daemonset.name
         type: string
         stability: experimental
         brief: >
           The name of the DaemonSet.
         examples: ['opentelemetry']
-      - id: job.uid
+      - id: k8s.job.uid
         type: string
         stability: experimental
         brief: >
           The UID of the Job.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: job.name
+      - id: k8s.job.name
         type: string
         stability: experimental
         brief: >
           The name of the Job.
         examples: ['opentelemetry']
-      - id: cronjob.uid
+      - id: k8s.cronjob.uid
         type: string
         stability: experimental
         brief: >
           The UID of the CronJob.
         examples: ['275ecb36-5aa8-4c2a-9c47-d8bb681b9aff']
-      - id: cronjob.name
+      - id: k8s.cronjob.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/linux.yaml b/model/registry/linux.yaml
index a0f7caef79..a3bf3f1554 100644
--- a/model/registry/linux.yaml
+++ b/model/registry/linux.yaml
@@ -1,11 +1,10 @@
 groups:
   # linux.memory.* attribute group
   - id: registry.linux.memory
-    prefix: linux.memory
     type: attribute_group
     brief: "Describes Linux Memory attributes"
     attributes:
-      - id: slab.state
+      - id: linux.memory.slab.state
         type:
           members:
             - id: reclaimable
diff --git a/model/registry/log.yaml b/model/registry/log.yaml
index 399ec35b6b..01d592329e 100644
--- a/model/registry/log.yaml
+++ b/model/registry/log.yaml
@@ -2,16 +2,14 @@ groups:
   - id: registry.log
     type: attribute_group
     display_name: General Log Attributes
-    prefix: log
     brief: >
       This document defines log attributes
     attributes:
-      - id: iostream
+      - id: log.iostream
         stability: experimental
         brief: >
           The stream associated with the log. See below for a list of well-known values.
         type:
-          allow_custom_values: true
           members:
             - id: stdout
               value: 'stdout'
@@ -25,29 +23,28 @@ groups:
   - id: registry.log.file    # TODO: should we move it to the file model?
     type: attribute_group
     display_name: Log File Attributes
-    prefix: log.file
     brief: >
       Attributes for a file to which log was emitted.
     attributes:
-      - id: name
+      - id: log.file.name
         type: string
         stability: experimental
         brief: >
           The basename of the file.
         examples: [ "audit.log" ]
-      - id: path
+      - id: log.file.path
         type: string
         stability: experimental
         brief: >
           The full path to the file.
         examples: [ "/var/log/mysql/audit.log" ]
-      - id: name_resolved
+      - id: log.file.name_resolved
         type: string
         stability: experimental
         brief: >
           The basename of the file, with symlinks resolved.
         examples: [ "uuid.log" ]
-      - id: path_resolved
+      - id: log.file.path_resolved
         type: string
         stability: experimental
         brief: >
@@ -57,11 +54,10 @@ groups:
   - id: registry.log.record
     type: attribute_group
     display_name: Log Record Attributes
-    prefix: log.record
     brief: >
       This document defines the generic attributes that may be used in any Log Record.
     attributes:
-      - id: uid
+      - id: log.record.uid
         type: string
         stability: experimental
         brief: >
@@ -73,7 +69,7 @@ groups:
           The id MAY be an [Universally Unique Lexicographically Sortable Identifier (ULID)](https://github.com/ulid/spec),
           but other identifiers (e.g. UUID) may be used as needed.
         examples: ["01ARZ3NDEKTSV4RRFFQ69G5FAV"]
-      - id: original
+      - id: log.record.original
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/messaging.yaml b/model/registry/messaging.yaml
index f17e8cb5bd..e57cd0f5ef 100644
--- a/model/registry/messaging.yaml
+++ b/model/registry/messaging.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.messaging
-    prefix: messaging
     type: attribute_group
     display_name: General Messaging Attributes
     brief: 'Attributes describing telemetry around messaging systems and messaging activities.'
     attributes:
-      - id: batch.message_count
+      - id: messaging.batch.message_count
         type: int
         stability: experimental
         brief: The number of messages sent, received, or processed in the scope of the batching operation.
@@ -14,13 +13,13 @@ groups:
             When a messaging client library supports both batch and single-message API for the same operation, instrumentations SHOULD
             use `messaging.batch.message_count` for batching APIs and SHOULD NOT use it for single-message APIs.
         examples: [0, 1, 2]
-      - id: client.id
+      - id: messaging.client.id
         type: string
         stability: experimental
         brief: >
           A unique identifier for the client that consumes or produces a message.
         examples: ['client-5', 'myhost@8742@s8083jm']
-      - id: consumer.group.name
+      - id: messaging.consumer.group.name
         type: string
         stability: experimental
         brief: >
@@ -29,7 +28,7 @@ groups:
           Semantic conventions for individual messaging systems SHOULD document whether `messaging.consumer.group.name`
           is applicable and what it means in the context of that system.
         examples: ['my-group', 'indexer']
-      - id: destination.name
+      - id: messaging.destination.name
         type: string
         stability: experimental
         brief: 'The message destination name'
@@ -38,7 +37,7 @@ groups:
           the broker doesn't have such notion, the destination name SHOULD uniquely identify the broker.
         examples: ['MyQueue', 'MyTopic']
         tag: messaging-generic
-      - id: destination.subscription.name
+      - id: messaging.destination.subscription.name
         type: string
         stability: experimental
         brief: 'The name of the destination subscription from which a message is consumed.'
@@ -46,7 +45,7 @@ groups:
           Semantic conventions for individual messaging systems SHOULD document whether `messaging.destination.subscription.name`
           is applicable and what it means in the context of that system.
         examples: ['subscription-a']
-      - id: destination.template
+      - id: messaging.destination.template
         type: string
         stability: experimental
         brief: Low cardinality representation of the messaging destination name
@@ -57,28 +56,28 @@ groups:
           the underlying template is of low cardinality and can be effectively
           used for grouping and aggregation.
         examples: ['/customers/{customerId}']
-      - id: destination.anonymous
+      - id: messaging.destination.anonymous
         type: boolean
         stability: experimental
         brief: 'A boolean that is true if the message destination is anonymous (could be unnamed or have auto-generated name).'
-      - id: destination.temporary
+      - id: messaging.destination.temporary
         type: boolean
         stability: experimental
         brief: 'A boolean that is true if the message destination is temporary and might not exist anymore after messages are processed.'
-      - id: destination.partition.id
+      - id: messaging.destination.partition.id
         type: string
         stability: experimental
         brief: >
           The identifier of the partition messages are sent to or received from, unique within the `messaging.destination.name`.
         examples: '1'
-      - id: message.conversation_id
+      - id: messaging.message.conversation_id
         type: string
         stability: experimental
         brief: >
           The conversation ID identifying the conversation to which the message belongs,
           represented as a string. Sometimes called "Correlation ID".
         examples: 'MyConversationId'
-      - id: message.envelope.size
+      - id: messaging.message.envelope.size
         type: int
         stability: experimental
         brief: >
@@ -87,12 +86,12 @@ groups:
           This can refer to both the compressed or uncompressed size. If both sizes are known, the uncompressed
           size should be used.
         examples: 2738
-      - id: message.id
+      - id: messaging.message.id
         type: string
         stability: experimental
         brief: 'A value used by the messaging system as an identifier for the message, represented as a string.'
         examples: '452a7c7c7c7048c2f887f61572b18fc2'
-      - id: message.body.size
+      - id: messaging.message.body.size
         type: int
         stability: experimental
         brief: >
@@ -101,9 +100,8 @@ groups:
           This can refer to both the compressed or uncompressed body size. If both sizes are known, the uncompressed
           body size should be used.
         examples: 1439
-      - id: operation.type
+      - id: messaging.operation.type
         type:
-          allow_custom_values: true
           members:
             - id: publish
               value: "publish"
@@ -143,20 +141,19 @@ groups:
         brief: >
           A string identifying the type of the messaging operation.
         note: If a custom value is used, it MUST be of low cardinality.
-      - id: operation.name
+      - id: messaging.operation.name
         type: string
         stability: experimental
         brief: >
           The system-specific name of the messaging operation.
         examples: [ "ack", "nack", "send" ]
-      - id: system
+      - id: messaging.system
         brief: The messaging system as identified by the client instrumentation.
         note: >
           The actual messaging system may differ from the one known by the client.
           For example, when using Kafka client libraries to communicate with Azure Event Hubs, the `messaging.system`
           is set to `kafka` based on the instrumentation's best knowledge.
         type:
-          allow_custom_values: true
           members:
             - id: activemq
               value: 'activemq'
@@ -204,13 +201,12 @@ groups:
               stability: experimental
         stability: experimental
   - id: registry.messaging.kafka
-    prefix: messaging
     type: attribute_group
     display_name: Kafka Attributes
     brief: >
       This group describes attributes specific to Apache Kafka.
     attributes:
-      - id: kafka.message.key
+      - id: messaging.kafka.message.key
         type: string
         stability: experimental
         brief: >
@@ -221,45 +217,42 @@ groups:
           If the key type is not string, it's string representation has to be supplied for the attribute.
           If the key has no unambiguous, canonical string form, don't include its value.
         examples: 'myKey'
-      - id: kafka.offset
+      - id: messaging.kafka.offset
         type: int
         stability: experimental
         brief: >
           The offset of a record in the corresponding Kafka partition.
         examples: 42
-      - id: kafka.message.tombstone
+      - id: messaging.kafka.message.tombstone
         type: boolean
         stability: experimental
         brief: 'A boolean that is true if the message is a tombstone.'
   - id: registry.messaging.rabbitmq
-    prefix: messaging
     type: attribute_group
     display_name: RabbitMQ Attributes
     brief: >
       This group describes attributes specific to RabbitMQ.
     attributes:
-      - id: rabbitmq.destination.routing_key
+      - id: messaging.rabbitmq.destination.routing_key
         type: string
         stability: experimental
         brief: >
           RabbitMQ message routing key.
         examples: 'myKey'
-      - id: rabbitmq.message.delivery_tag
+      - id: messaging.rabbitmq.message.delivery_tag
         type: int
         stability: experimental
         brief: >
           RabbitMQ message delivery tag
         examples: 123
   - id: registry.messaging.rocketmq
-    prefix: messaging
     type: attribute_group
     display_name: RocketMQ Attributes
     brief: >
       This group describes attributes specific to RocketMQ.
     attributes:
-      - id: rocketmq.consumption_model
+      - id: messaging.rocketmq.consumption_model
         type:
-          allow_custom_values: false
           members:
             - id: clustering
               value: 'clustering'
@@ -272,39 +265,38 @@ groups:
         stability: experimental
         brief: >
           Model of message consumption. This only applies to consumer spans.
-      - id: rocketmq.message.delay_time_level
+      - id: messaging.rocketmq.message.delay_time_level
         type: int
         stability: experimental
         brief: >
           The delay time level for delay message, which determines the message delay time.
         examples: 3
-      - id: rocketmq.message.delivery_timestamp
+      - id: messaging.rocketmq.message.delivery_timestamp
         type: int
         stability: experimental
         brief: >
           The timestamp in milliseconds that the delay message is expected to be delivered to consumer.
         examples: 1665987217045
-      - id: rocketmq.message.group
+      - id: messaging.rocketmq.message.group
         type: string
         stability: experimental
         brief: >
           It is essential for FIFO message. Messages that belong to the same message group are always processed one by one within the same consumer group.
         examples: 'myMessageGroup'
-      - id: rocketmq.message.keys
+      - id: messaging.rocketmq.message.keys
         type: string[]
         stability: experimental
         brief: >
           Key(s) of message, another way to mark message besides message id.
         examples: ['keyA', 'keyB']
-      - id: rocketmq.message.tag
+      - id: messaging.rocketmq.message.tag
         type: string
         stability: experimental
         brief: >
           The secondary classifier of message besides topic.
         examples: tagA
-      - id: rocketmq.message.type
+      - id: messaging.rocketmq.message.type
         type:
-          allow_custom_values: false
           members:
             - id: normal
               value: 'normal'
@@ -325,67 +317,64 @@ groups:
         stability: experimental
         brief: >
           Type of message.
-      - id: rocketmq.namespace
+      - id: messaging.rocketmq.namespace
         type: string
         stability: experimental
         brief: >
           Namespace of RocketMQ resources, resources in different namespaces are individual.
         examples: 'myNamespace'
   - id: registry.messaging.gcp_pubsub
-    prefix: messaging
     type: attribute_group
     display_name: GCP Pub/Sub Attributes
     brief: >
       This group describes attributes specific to GCP Pub/Sub.
     attributes:
-      - id: gcp_pubsub.message.ordering_key
+      - id: messaging.gcp_pubsub.message.ordering_key
         type: string
         stability: experimental
         brief: >
           The ordering key for a given message. If the attribute is not present, the message does not have an ordering key.
         examples: 'ordering_key'
-      - id: gcp_pubsub.message.ack_id
+      - id: messaging.gcp_pubsub.message.ack_id
         type: string
         stability: experimental
         brief: >
          The ack id for a given message.
         examples: 'ack_id'
-      - id: gcp_pubsub.message.ack_deadline
+      - id: messaging.gcp_pubsub.message.ack_deadline
         type: int
         stability: experimental
         brief: >
           The ack deadline in seconds set for the modify ack deadline request.
         examples: 10
-      - id: gcp_pubsub.message.delivery_attempt
+      - id: messaging.gcp_pubsub.message.delivery_attempt
         type: int
         stability: experimental
         brief: >
           The delivery attempt for a given message.
         examples: 2
   - id: registry.messaging.servicebus
-    prefix: messaging
     type: attribute_group
     display_name: Azure Service Bus Attributes
     brief: >
       This group describes attributes specific to Azure Service Bus.
     attributes:
-      - id: servicebus.message.delivery_count
+      - id: messaging.servicebus.message.delivery_count
         type: int
         stability: experimental
         brief: >
           Number of deliveries that have been attempted for this message.
         examples: 2
-      - id: servicebus.message.enqueued_time
+      - id: messaging.servicebus.message.enqueued_time
         type: int
         stability: experimental
         brief: >
           The UTC epoch seconds at which the message has been accepted and stored in the entity.
         examples: 1701393730
-      - id: servicebus.disposition_status
+      - id: messaging.servicebus.disposition_status
         brief: >
           Describes the [settlement type](https://learn.microsoft.com/azure/service-bus-messaging/message-transfers-locks-settlement#peeklock).
         type:
-          allow_custom_values: true
           members:
             - id: complete
               value: 'complete'
@@ -405,13 +394,12 @@ groups:
               stability: experimental
         stability: experimental
   - id: registry.messaging.eventhubs
-    prefix: messaging
     type: attribute_group
     display_name: Azure Event Hubs Attributes
     brief: >
       This group describes attributes specific to Azure Event Hubs.
     attributes:
-      - id: eventhubs.message.enqueued_time
+      - id: messaging.eventhubs.message.enqueued_time
         type: int
         stability: experimental
         brief: >
diff --git a/model/registry/network.yaml b/model/registry/network.yaml
index 847a64c94d..8470277023 100644
--- a/model/registry/network.yaml
+++ b/model/registry/network.yaml
@@ -1,34 +1,32 @@
 groups:
   - id: registry.network
-    prefix: network
     type: attribute_group
     display_name: Network Attributes
     brief: >
         These attributes may be used for any network related operation.
     attributes:
-      - id: carrier.icc
+      - id: network.carrier.icc
         type: string
         stability: experimental
         brief: "The ISO 3166-1 alpha-2 2-character country code associated with the mobile carrier network."
         examples: "DE"
-      - id: carrier.mcc
+      - id: network.carrier.mcc
         type: string
         stability: experimental
         brief: "The mobile carrier country code."
         examples: "310"
-      - id: carrier.mnc
+      - id: network.carrier.mnc
         type: string
         stability: experimental
         brief: "The mobile carrier network code."
         examples: "001"
-      - id: carrier.name
+      - id: network.carrier.name
         type: string
         stability: experimental
         brief: "The name of the mobile carrier."
         examples: "sprint"
-      - id: connection.subtype
+      - id: network.connection.subtype
         type:
-          allow_custom_values: true
           members:
             - id: gprs
               brief: GPRS
@@ -117,9 +115,8 @@ groups:
         stability: experimental
         brief: 'This describes more details regarding the connection.type. It may be the type of cell technology connection, but it could be used for describing details about a wifi connection.'
         examples: 'LTE'
-      - id: connection.type
+      - id: network.connection.type
         type:
-          allow_custom_values: true
           members:
             - id: wifi
               value: "wifi"
@@ -139,33 +136,33 @@ groups:
         stability: experimental
         brief: 'The internet connection type.'
         examples: 'wifi'
-      - id: local.address
+      - id: network.local.address
         stability: stable
         type: string
         brief: Local address of the network connection - IP address or Unix domain socket name.
         examples: ['10.1.2.80', '/tmp/my.sock']
-      - id: local.port
+      - id: network.local.port
         stability: stable
         type: int
         brief: Local port number of the network connection.
         examples: [65123]
-      - id: peer.address
+      - id: network.peer.address
         stability: stable
         type: string
         brief: Peer address of the network connection - IP address or Unix domain socket name.
         examples: ['10.1.2.80', '/tmp/my.sock']
-      - id: peer.port
+      - id: network.peer.port
         stability: stable
         type: int
         brief: Peer port number of the network connection.
         examples: [65123]
-      - id: protocol.name
+      - id: network.protocol.name
         stability: stable
         type: string
         brief: '[OSI application layer](https://osi-model.com/application-layer/) or non-OSI equivalent.'
         note: The value SHOULD be normalized to lowercase.
         examples: ['amqp', 'http', 'mqtt']
-      - id: protocol.version
+      - id: network.protocol.version
         stability: stable
         type: string
         brief: The actual version of the protocol used for network communication.
@@ -174,10 +171,9 @@ groups:
           If protocol version is subject to negotiation (for example using [ALPN](https://www.rfc-editor.org/rfc/rfc7301.html)),
           this attribute SHOULD be set to the negotiated version. If the actual protocol version is not known,
           this attribute SHOULD NOT be set.
-      - id: transport
+      - id: network.transport
         stability: stable
         type:
-          allow_custom_values: true
           members:
             - id: tcp
               value: 'tcp'
@@ -209,10 +205,9 @@ groups:
           a port number is ambiguous without knowing the transport. For example
           different processes could be listening on TCP port 12345 and UDP port 12345.
         examples: ['tcp', 'udp']
-      - id: type
+      - id: network.type
         stability: stable
         type:
-          allow_custom_values: true
           members:
             - id: ipv4
               value: 'ipv4'
@@ -225,9 +220,8 @@ groups:
         brief: '[OSI network layer](https://osi-model.com/network-layer/) or non-OSI equivalent.'
         note: The value SHOULD be normalized to lowercase.
         examples: ['ipv4', 'ipv6']
-      - id: io.direction
+      - id: network.io.direction
         type:
-          allow_custom_values: false
           members:
             - id: transmit
               value: 'transmit'
diff --git a/model/registry/oci.yaml b/model/registry/oci.yaml
index da0ce6dace..aa5092a983 100644
--- a/model/registry/oci.yaml
+++ b/model/registry/oci.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.oci.manifest
-    prefix: oci.manifest
     type: attribute_group
     display_name: Open Container Initiative (OCI) Attributes
     brief: >
       An OCI image manifest.
     attributes:
-      - id: digest
+      - id: oci.manifest.digest
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/opentracing.yaml b/model/registry/opentracing.yaml
index c5cafc291e..49d20dcb44 100644
--- a/model/registry/opentracing.yaml
+++ b/model/registry/opentracing.yaml
@@ -1,17 +1,15 @@
 groups:
   - id: registry.opentracing
-    prefix: opentracing
     type: attribute_group
     display_name: OpenTracing Attributes
     brief: Attributes used by the OpenTracing Shim layer.
     attributes:
-      - id: ref_type
+      - id: opentracing.ref_type
         brief: 'Parent-child Reference type'
         stability: experimental
         note: >
             The causal relationship between a child Span and a parent Span.
         type:
-          allow_custom_values: true
           members:
             - id: child_of
               value: 'child_of'
diff --git a/model/registry/os.yaml b/model/registry/os.yaml
index 18b59568a0..b9e4f24c2e 100644
--- a/model/registry/os.yaml
+++ b/model/registry/os.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.os
-    prefix: os
     type: attribute_group
     display_name: Operating System Attributes
     brief: >
@@ -9,9 +8,8 @@ groups:
         In case of virtualized environments, this is the operating system as it is observed by
         the process, i.e., the virtualized guest rather than the underlying host.
     attributes:
-      - id: type
+      - id: os.type
         type:
-          allow_custom_values: true
           members:
             - id: windows
               value: 'windows'
@@ -60,26 +58,26 @@ groups:
         brief: >
           The operating system type.
         stability: experimental
-      - id: description
+      - id: os.description
         type: string
         stability: experimental
         brief: >
           Human readable (not intended to be parsed) OS version information,
           like e.g. reported by `ver` or `lsb_release -a` commands.
         examples: ['Microsoft Windows [Version 10.0.18363.778]', 'Ubuntu 18.04.1 LTS']
-      - id: name
+      - id: os.name
         type: string
         stability: experimental
         brief: 'Human readable operating system name.'
         examples: ['iOS', 'Android', 'Ubuntu']
-      - id: version
+      - id: os.version
         type: string
         stability: experimental
         brief: >
           The version string of the operating system as defined in
           [Version Attributes](/docs/resource/README.md#version-attributes).
         examples: ['14.2.1', '18.04.1']
-      - id: build_id
+      - id: os.build_id
         type: string
         stability: experimental
         brief: 'Unique identifier for a particular build or compilation of the operating system.'
diff --git a/model/registry/otel.yaml b/model/registry/otel.yaml
index 8ed9405a58..01b1a19a8c 100644
--- a/model/registry/otel.yaml
+++ b/model/registry/otel.yaml
@@ -1,13 +1,11 @@
 groups:
   - id: registry.otel
-    prefix: otel
     type: attribute_group
     display_name: OTel Attributes
     brief: Attributes reserved for OpenTelemetry
     attributes:
-      - id: status_code
+      - id: otel.status_code
         type:
-          allow_custom_values: true
           members:
             - id: ok
               value: OK
@@ -19,23 +17,22 @@ groups:
               stability: stable
         brief: Name of the code, either "OK" or "ERROR". MUST NOT be set if the status code is UNSET.
         stability: stable
-      - id: status_description
+      - id: otel.status_description
         type: string
         brief: "Description of the Status if it has a value, otherwise not set."
         examples: ['resource not found']
         stability: stable
   - id: registry.otel.scope
-    prefix: otel.scope
     type: attribute_group
     display_name: OTel Scope Attributes
     brief: Attributes used by non-OTLP exporters to represent OpenTelemetry Scope's concepts.
     attributes:
-      - id: name
+      - id: otel.scope.name
         type: string
         brief: The name of the instrumentation scope - (`InstrumentationScope.Name` in OTLP).
         examples: ['io.opentelemetry.contrib.mongodb']
         stability: stable
-      - id: version
+      - id: otel.scope.version
         type: string
         brief: The version of the instrumentation scope - (`InstrumentationScope.Version` in OTLP).
         examples: ['1.0.0']
diff --git a/model/registry/peer.yaml b/model/registry/peer.yaml
index ee9d3f722f..62568e8512 100644
--- a/model/registry/peer.yaml
+++ b/model/registry/peer.yaml
@@ -2,11 +2,10 @@ groups:
   - id: registry.peer
     type: attribute_group
     display_name: Peer Attributes
-    prefix: peer
     brief: >
       Operations that access some remote service.
     attributes:
-      - id: service
+      - id: peer.service
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/process.yaml b/model/registry/process.yaml
index bc8362357d..596972a3b1 100644
--- a/model/registry/process.yaml
+++ b/model/registry/process.yaml
@@ -1,24 +1,23 @@
 groups:
   - id: registry.process
-    prefix: process
     type: attribute_group
     display_name: Process Attributes
     brief: >
         An operating system process.
     attributes:
-      - id: pid
+      - id: process.pid
         type: int
         stability: experimental
         brief: >
           Process identifier (PID).
         examples: [1234]
-      - id: parent_pid
+      - id: process.parent_pid
         type: int
         stability: experimental
         brief: >
           Parent Process identifier (PPID).
         examples: [111]
-      - id: vpid
+      - id: process.vpid
         type: int
         stability: experimental
         brief: >
@@ -28,21 +27,21 @@ groups:
           across all processes on the host but it is unique within the process
           namespace that the process exists within.
         examples: [12]
-      - id: session_leader.pid
+      - id: process.session_leader.pid
         type: int
         stability: experimental
         brief: >
           The PID of the process's session leader. This is also the session ID
           (SID) of the process.
         examples: [14]
-      - id: group_leader.pid
+      - id: process.group_leader.pid
         type: int
         stability: experimental
         brief: >
           The PID of the process's group leader. This is also the process group
           ID (PGID) of the process.
         examples: [23]
-      - id: executable.name
+      - id: process.executable.name
         type: string
         stability: experimental
         brief: >
@@ -50,7 +49,7 @@ groups:
           to the `Name` in `proc/[pid]/status`. On Windows, can be set to the
           base name of `GetProcessImageFileNameW`.
         examples: ['otelcol']
-      - id: executable.path
+      - id: process.executable.path
         type: string
         stability: experimental
         brief: >
@@ -58,7 +57,7 @@ groups:
           be set to the target of `proc/[pid]/exe`. On Windows, can be set to the
           result of `GetProcessImageFileNameW`.
         examples: ['/usr/bin/cmd/otelcol']
-      - id: command
+      - id: process.command
         type: string
         stability: experimental
         brief: >
@@ -66,7 +65,7 @@ groups:
           based systems, can be set to the zeroth string in `proc/[pid]/cmdline`.
           On Windows, can be set to the first parameter extracted from `GetCommandLineW`.
         examples: ['cmd/otelcol']
-      - id: command_line
+      - id: process.command_line
         type: string
         stability: experimental
         brief: >
@@ -75,7 +74,7 @@ groups:
           Do not set this if you have to assemble it just for monitoring; use
           `process.command_args` instead.
         examples: ['C:\cmd\otecol --config="my directory\config.yaml"']
-      - id: command_args
+      - id: process.command_args
         type: string[]
         stability: experimental
         brief: >
@@ -85,95 +84,94 @@ groups:
           null-delimited strings extracted from `proc/[pid]/cmdline`. For libc-based
           executables, this would be the full argv vector passed to `main`.
         examples: ['cmd/otecol', '--config=config.yaml']
-      - id: owner
+      - id: process.owner
         type: string
         stability: experimental
         brief: >
           The username of the user that owns the process.
         examples: ['root']
-      - id: user.id
+      - id: process.user.id
         type: int
         stability: experimental
         brief: >
           The effective user ID (EUID) of the process.
         examples: [1001]
-      - id: user.name
+      - id: process.user.name
         type: string
         stability: experimental
         brief: >
           The username of the effective user of the process.
         examples: ['root']
-      - id: real_user.id
+      - id: process.real_user.id
         type: int
         stability: experimental
         brief: >
           The real user ID (RUID) of the process.
         examples: [1000]
-      - id: real_user.name
+      - id: process.real_user.name
         type: string
         stability: experimental
         brief: >
           The username of the real user of the process.
         examples: ['operator']
-      - id: saved_user.id
+      - id: process.saved_user.id
         type: int
         stability: experimental
         brief: >
           The saved user ID (SUID) of the process.
         examples: [1002]
-      - id: saved_user.name
+      - id: process.saved_user.name
         type: string
         stability: experimental
         brief: >
           The username of the saved user.
         examples: ['operator']
-      - id: runtime.name
+      - id: process.runtime.name
         type: string
         stability: experimental
         brief: >
           The name of the runtime of this process.
         examples: ['OpenJDK Runtime Environment']
-      - id: runtime.version
+      - id: process.runtime.version
         type: string
         stability: experimental
         brief: >
           The version of the runtime of this process, as returned by the runtime
           without modification.
         examples: '14.0.2'
-      - id: runtime.description
+      - id: process.runtime.description
         type: string
         stability: experimental
         brief: >
           An additional description about the runtime of the process, for example
           a specific vendor customization of the runtime environment.
         examples: 'Eclipse OpenJ9 Eclipse OpenJ9 VM openj9-0.21.0'
-      - id: creation.time
+      - id: process.creation.time
         type: string
         stability: experimental
         brief: >
           The date and time the process was created, in ISO 8601 format.
         examples: ['2023-11-21T09:25:34.853Z']
-      - id: exit.time
+      - id: process.exit.time
         type: string
         stability: experimental
         brief: >
           The date and time the process exited, in ISO 8601 format.
         examples: ['2023-11-21T09:26:12.315Z']
-      - id: exit.code
+      - id: process.exit.code
         type: int
         stability: experimental
         brief: >
           The exit code of the process.
         examples: [127]
-      - id: interactive
+      - id: process.interactive
         type: boolean
         stability: experimental
         brief: >
           Whether the process is connected to an interactive shell.
-      - id: context_switch_type
+      - id: process.context_switch_type
         brief: "Specifies whether the context switches for this data point were voluntary or involuntary."
         type:
-          allow_custom_values: true
           members:
             - id: voluntary
               value: 'voluntary'
@@ -182,12 +180,11 @@ groups:
               value: 'involuntary'
               stability: experimental
         stability: experimental
-      - id: paging.fault_type
+      - id: process.paging.fault_type
         brief: >
           The type of page fault for this data point. Type `major` is for major/hard page faults, and `minor`
           is for minor/soft page faults.
         type:
-          allow_custom_values: true
           members:
             - id: major
               value: 'major'
diff --git a/model/registry/rpc.yaml b/model/registry/rpc.yaml
index 8e04df3224..a94c3b2534 100644
--- a/model/registry/rpc.yaml
+++ b/model/registry/rpc.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.rpc
-    prefix: rpc
     type: attribute_group
     display_name: Remote Procedure Call (RPC) Attributes
     brief: 'This document defines attributes for remote procedure calls.'
     attributes:
-      - id: connect_rpc.error_code
+      - id: rpc.connect_rpc.error_code
         type:
           members:
             - id: cancelled
@@ -58,7 +57,7 @@ groups:
               stability: experimental
         stability: experimental
         brief: "The [error codes](https://connect.build/docs/protocol/#error-codes) of the Connect request. Error codes are always string values."
-      - id: connect_rpc.request.metadata
+      - id: rpc.connect_rpc.request.metadata
         type: template[string[]]
         stability: experimental
         brief: >
@@ -67,7 +66,7 @@ groups:
           Instrumentations SHOULD require an explicit configuration of which metadata values are to be captured.
           Including all request metadata values can be a security risk - explicit configuration helps avoid leaking sensitive information.
         examples: ['rpc.request.metadata.my-custom-metadata-attribute=["1.2.3.4", "1.2.3.5"]']
-      - id: connect_rpc.response.metadata
+      - id: rpc.connect_rpc.response.metadata
         type: template[string[]]
         stability: experimental
         brief: >
@@ -76,7 +75,7 @@ groups:
           Instrumentations SHOULD require an explicit configuration of which metadata values are to be captured.
           Including all response metadata values can be a security risk - explicit configuration helps avoid leaking sensitive information.
         examples: ['rpc.response.metadata.my-custom-metadata-attribute=["attribute_value"]']
-      - id: grpc.status_code
+      - id: rpc.grpc.status_code
         type:
           members:
             - id: ok
@@ -149,7 +148,7 @@ groups:
               value: 16
         stability: experimental
         brief: "The [numeric status code](https://github.com/grpc/grpc/blob/v1.33.2/doc/statuscodes.md) of the gRPC request."
-      - id: grpc.request.metadata
+      - id: rpc.grpc.request.metadata
         type: template[string[]]
         stability: experimental
         brief: >
@@ -158,7 +157,7 @@ groups:
           Instrumentations SHOULD require an explicit configuration of which metadata values are to be captured.
           Including all request metadata values can be a security risk - explicit configuration helps avoid leaking sensitive information.
         examples: ['rpc.grpc.request.metadata.my-custom-metadata-attribute=["1.2.3.4", "1.2.3.5"]']
-      - id: grpc.response.metadata
+      - id: rpc.grpc.response.metadata
         type: template[string[]]
         stability: experimental
         brief: >
@@ -167,17 +166,17 @@ groups:
           Instrumentations SHOULD require an explicit configuration of which metadata values are to be captured.
           Including all response metadata values can be a security risk - explicit configuration helps avoid leaking sensitive information.
         examples: ['rpc.grpc.response.metadata.my-custom-metadata-attribute=["attribute_value"]']
-      - id: jsonrpc.error_code
+      - id: rpc.jsonrpc.error_code
         type: int
         stability: experimental
         brief: "`error.code` property of response if it is an error response."
         examples: [-32700, 100]
-      - id: jsonrpc.error_message
+      - id: rpc.jsonrpc.error_message
         type: string
         stability: experimental
         brief: "`error.message` property of response if it is an error response."
         examples: ['Parse error', 'User already exists']
-      - id: jsonrpc.request_id
+      - id: rpc.jsonrpc.request_id
         type: string
         stability: experimental
         brief: >
@@ -186,12 +185,12 @@ groups:
           value is expected to be cast to string for simplicity.
           Use empty string in case of `null` value. Omit entirely if this is a notification.
         examples: ['10', 'request-7', '']
-      - id: jsonrpc.version
+      - id: rpc.jsonrpc.version
         type: string
         stability: experimental
         brief: "Protocol version as in `jsonrpc` property of request/response. Since JSON-RPC 1.0 doesn't specify this, the value can be omitted."
         examples: ['2.0', '1.0']
-      - id: method
+      - id: rpc.method
         type: string
         stability: experimental
         brief: 'The name of the (logical) method being called, must be equal to the $method part in the span name.'
@@ -202,7 +201,7 @@ groups:
           (e.g., method actually executing the call on the server side,
           RPC client stub method on the client side).
         examples: "exampleMethod"
-      - id: service
+      - id: rpc.service
         type: string
         stability: experimental
         brief: 'The full (logical) name of the service being called, including its package name, if applicable.'
@@ -214,10 +213,9 @@ groups:
           e.g., class with method actually executing the call on the server side,
           RPC client stub class on the client side).
         examples: "myservice.EchoService"
-      - id: system
+      - id: rpc.system
         brief: 'A string identifying the remoting system. See below for a list of well-known identifiers.'
         type:
-          allow_custom_values: true
           members:
             - id: grpc
               value: 'grpc'
@@ -240,7 +238,7 @@ groups:
               brief: 'Connect RPC'
               stability: experimental
         stability: experimental
-      - id: message.type
+      - id: rpc.message.type
         type:
           members:
             - id: sent
@@ -251,16 +249,16 @@ groups:
               stability: experimental
         stability: experimental
         brief: "Whether this is a received or sent message."
-      - id: message.id
+      - id: rpc.message.id
         type: int
         stability: experimental
         brief: "MUST be calculated as two different counters starting from `1` one for sent messages and one for received message."
         note: "This way we guarantee that the values will be consistent between different implementations."
-      - id: message.compressed_size
+      - id: rpc.message.compressed_size
         type: int
         stability: experimental
         brief: "Compressed size of the message in bytes."
-      - id: message.uncompressed_size
+      - id: rpc.message.uncompressed_size
         type: int
         stability: experimental
         brief: "Uncompressed size of the message in bytes."
diff --git a/model/registry/server.yaml b/model/registry/server.yaml
index 9da2b85ae1..a522976ac6 100644
--- a/model/registry/server.yaml
+++ b/model/registry/server.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.server
-    prefix: server
     type: attribute_group
     display_name: Server Attributes
     brief: >
@@ -11,7 +10,7 @@ groups:
       protocol / API doesn't expose a clear notion of client and server).
       This also covers UDP network interactions where one side initiates the interaction, e.g. QUIC (HTTP/3) and DNS.
     attributes:
-      - id: address
+      - id: server.address
         stability: stable
         type: string
         brief: "Server domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name."
@@ -19,7 +18,7 @@ groups:
           When observed from the client side, and when communicating through an intermediary, `server.address` SHOULD represent
           the server address behind any intermediaries, for example proxies, if it's available.
         examples: ['example.com', '10.1.2.80', '/tmp/my.sock']
-      - id: port
+      - id: server.port
         stability: stable
         type: int
         brief: Server port number.
diff --git a/model/registry/service.yaml b/model/registry/service.yaml
index 44bc2985f6..b2ee398c26 100644
--- a/model/registry/service.yaml
+++ b/model/registry/service.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.service
-    prefix: service
     type: attribute_group
     display_name: Service Attributes
     brief: >
       A service instance.
     attributes:
-      - id: name
+      - id: service.name
         type: string
         brief: >
           Logical name of the service.
@@ -17,13 +16,13 @@ groups:
           If `process.executable.name` is not available, the value MUST be set to `unknown_service`.
         examples: ["shoppingcart"]
         stability: stable
-      - id: version
+      - id: service.version
         type: string
         brief: >
           The version string of the service API or implementation. The format is not defined by these conventions.
         examples: ["2.0.0", "a01dbef8a"]
         stability: stable
-      - id: namespace
+      - id: service.namespace
         type: string
         stability: experimental
         brief: >
@@ -37,7 +36,7 @@ groups:
           (so the empty/unspecified namespace is simply one more valid namespace).
           Zero-length namespace string is assumed equal to unspecified namespace.
         examples: ["Shop"]
-      - id: instance.id
+      - id: service.instance.id
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/session.yaml b/model/registry/session.yaml
index bf39e6ca30..34d6ffb64b 100644
--- a/model/registry/session.yaml
+++ b/model/registry/session.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.session
-    prefix: session
     type: attribute_group
     display_name: Session Attributes
     brief: >
@@ -15,12 +14,12 @@ groups:
       will be assigned. The previous session identifier may be provided by the instrumentation so that telemetry
       backends can link the two sessions.
     attributes:
-      - id: id
+      - id: session.id
         type: string
         stability: experimental
         brief: "A unique id to identify a session."
         examples: "00112233-4455-6677-8899-aabbccddeeff"
-      - id: previous_id
+      - id: session.previous_id
         type: string
         stability: experimental
         brief: "The previous `session.id` for this user, when known."
diff --git a/model/registry/signalr.yaml b/model/registry/signalr.yaml
index 4e87161712..e228f03a30 100644
--- a/model/registry/signalr.yaml
+++ b/model/registry/signalr.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.signalr
-    prefix: signalr
     type: attribute_group
     display_name: SignalR Attributes
     brief: SignalR attributes
     attributes:
-      - id: connection.status
+      - id: signalr.connection.status
         type:
           members:
             - id: normal_closure
@@ -23,10 +22,9 @@ groups:
         stability: stable
         brief: SignalR HTTP connection closure status.
         examples: ["app_shutdown", "timeout"]
-      - id: transport
+      - id: signalr.transport
         brief: "[SignalR transport type](https://github.com/dotnet/aspnetcore/blob/main/src/SignalR/docs/specs/TransportProtocols.md)"
         type:
-          allow_custom_values: true
           members:
             - id: server_sent_events
               value: 'server_sent_events'
diff --git a/model/registry/source.yaml b/model/registry/source.yaml
index 9e0a8af449..7ca1217233 100644
--- a/model/registry/source.yaml
+++ b/model/registry/source.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: registry.source
-    prefix: source
     type: attribute_group
     display_name: Source Attributes
     brief: >
@@ -11,7 +10,7 @@ groups:
       This also covers unidirectional UDP flows and peer-to-peer communication where the
       "user-facing" surface of the protocol / API doesn't expose a clear notion of client and server.
     attributes:
-      - id: address
+      - id: source.address
         type: string
         stability: experimental
         brief: "Source address - domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name."
@@ -19,7 +18,7 @@ groups:
           When observed from the destination side, and when communicating through an intermediary, `source.address` SHOULD represent
           the source address behind any intermediaries, for example proxies, if it's available.
         examples: ['source.example.com', '10.1.2.80', '/tmp/my.sock']
-      - id: port
+      - id: source.port
         type: int
         stability: experimental
         brief: 'Source port number'
diff --git a/model/registry/system.yaml b/model/registry/system.yaml
index c7d8cbc0d8..db0a9770f5 100644
--- a/model/registry/system.yaml
+++ b/model/registry/system.yaml
@@ -1,38 +1,34 @@
 groups:
   # General system attributes
   - id: registry.system
-    prefix: system
     type: attribute_group
     display_name: General System Attributes
     brief: "Describes System attributes"
     attributes:
-      - id: device
+      - id: system.device
         type: string
         stability: experimental
         brief: "The device identifier"
         examples: ["(identifier)"]
   # system.cpu.* attribute group
   - id: registry.system.cpu
-    prefix: system.cpu
     type: attribute_group
     display_name: System CPU Attributes
     brief: "Describes System CPU attributes"
     attributes:
-      - id: logical_number
+      - id: system.cpu.logical_number
         type: int
         stability: experimental
         brief: "The logical CPU number [0..n-1]"
         examples: [1]
   # system.memory.* attribute group
   - id: registry.system.memory
-    prefix: system.memory
     type: attribute_group
     display_name: System Memory Attributes
     brief: "Describes System Memory attributes"
     attributes:
-      - id: state
+      - id: system.memory.state
         type:
-          allow_custom_values: true
           members:
             - id: used
               value: 'used'
@@ -55,14 +51,12 @@ groups:
         examples: ["free", "cached"]
   # system.paging.* attribute group
   - id: registry.system.paging
-    prefix: system.paging
     type: attribute_group
     display_name: System Paging Attributes
     brief: "Describes System Memory Paging attributes"
     attributes:
-      - id: state
+      - id: system.paging.state
         type:
-          allow_custom_values: false
           members:
             - id: used
               value: 'used'
@@ -73,9 +67,8 @@ groups:
         stability: experimental
         brief: "The memory paging state"
         examples: ["free"]
-      - id: type
+      - id: system.paging.type
         type:
-          allow_custom_values: false
           members:
             - id: major
               value: 'major'
@@ -86,9 +79,8 @@ groups:
         stability: experimental
         brief: "The memory paging type"
         examples: ["minor"]
-      - id: direction
+      - id: system.paging.direction
         type:
-          allow_custom_values: false
           members:
             - id: in
               value: 'in'
@@ -100,15 +92,13 @@ groups:
         brief: "The paging access direction"
         examples: ["in"]
   - id: registry.system.filesystem
-    prefix: system.filesystem
     type: attribute_group
     display_name: Filesystem Attributes
     brief: "Describes Filesystem attributes"
     attributes:
-      - id: state
+      - id: system.filesystem.state
         brief: "The filesystem state"
         type:
-          allow_custom_values: false
           members:
             - id: used
               value: 'used'
@@ -121,9 +111,8 @@ groups:
               stability: experimental
         stability: experimental
         examples: ["used"]
-      - id: type
+      - id: system.filesystem.type
         type:
-          allow_custom_values: true
           members:
             - id: fat32
               value: 'fat32'
@@ -146,26 +135,24 @@ groups:
         stability: experimental
         brief: "The filesystem type"
         examples: ["ext4"]
-      - id: mode
+      - id: system.filesystem.mode
         type: string
         stability: experimental
         brief: "The filesystem mode"
         examples: ["rw, ro"]
-      - id: mountpoint
+      - id: system.filesystem.mountpoint
         type: string
         stability: experimental
         brief: "The filesystem mount path"
         examples: ["/mnt/data"]
   # System-specific network attributes
   - id: registry.system.network
-    prefix: system.network
     type: attribute_group
     display_name: System Network Attributes
     brief: "Describes Network attributes"
     attributes:
-      - id: state
+      - id: system.network.state
         type:
-          allow_custom_values: false
           members:
             - id: close
               value: 'close'
@@ -208,14 +195,12 @@ groups:
         examples: ["close_wait"]
   # system.process.* attribute group
   - id: registry.system.process
-    prefix: system.process
     type: attribute_group
     display_name: System Process Attributes
     brief: "Describes System Process attributes"
     attributes:
-      - id: status
+      - id: system.process.status
         type:
-          allow_custom_values: true
           members:
             - id: running
               value: 'running'
diff --git a/model/registry/telemetry.yaml b/model/registry/telemetry.yaml
index 97b762377a..f5a4dc88bf 100644
--- a/model/registry/telemetry.yaml
+++ b/model/registry/telemetry.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.telemetry
-    prefix: telemetry
     type: attribute_group
     display_name: Telemetry Attributes
     brief: >
         This document defines attributes for telemetry SDK.
     attributes:
-      - id: sdk.name
+      - id: telemetry.sdk.name
         type: string
         stability: stable
         requirement_level: required
@@ -20,9 +19,8 @@ groups:
           The identifier `opentelemetry` is reserved and MUST NOT be used in this case.
           All custom identifiers SHOULD be stable across different versions of an implementation.
         examples: ["opentelemetry"]
-      - id: sdk.language
+      - id: telemetry.sdk.language
         type:
-          allow_custom_values: true
           members:
             - id: cpp
               value: "cpp"
@@ -64,14 +62,14 @@ groups:
         requirement_level: required
         brief: >
           The language of the telemetry SDK.
-      - id: sdk.version
+      - id: telemetry.sdk.version
         type: string
         stability: stable
         requirement_level: required
         brief: >
           The version string of the telemetry SDK.
         examples: ["1.2.3"]
-      - id: distro.name
+      - id: telemetry.distro.name
         type: string
         stability: experimental
         brief: >
@@ -80,7 +78,7 @@ groups:
           Official auto instrumentation agents and distributions SHOULD set the `telemetry.distro.name` attribute to
           a string starting with `opentelemetry-`, e.g. `opentelemetry-java-instrumentation`.
         examples: ["parts-unlimited-java"]
-      - id: distro.version
+      - id: telemetry.distro.version
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/test.yaml b/model/registry/test.yaml
index 3f62dd02f5..9671feb88d 100644
--- a/model/registry/test.yaml
+++ b/model/registry/test.yaml
@@ -1,18 +1,17 @@
 groups:
   - id: registry.test
-    prefix: test
     type: attribute_group
     brief: >
       This group describes attributes specific to
       [software tests](https://en.wikipedia.org/wiki/Software_testing).
     attributes:
-      - id: suite.name
+      - id: test.suite.name
         type: string
         stability: experimental
         brief: >
           The human readable name of a [test suite](https://en.wikipedia.org/wiki/Test_suite).
         examples: ["TestSuite1"]
-      - id: suite.run.status
+      - id: test.suite.run.status
         type:
           members:
             - id: success
@@ -51,7 +50,7 @@ groups:
             "timed_out",
             "in_progress",
           ]
-      - id: case.name
+      - id: test.case.name
         type: string
         stability: experimental
         brief: >
@@ -62,7 +61,7 @@ groups:
             "example/tests/TestCase1.test1",
             "ExampleTestCase1_test1",
           ]
-      - id: case.result.status
+      - id: test.case.result.status
         type:
           members:
             - id: pass
diff --git a/model/registry/thread.yaml b/model/registry/thread.yaml
index b6f3556107..893644ab0c 100644
--- a/model/registry/thread.yaml
+++ b/model/registry/thread.yaml
@@ -1,18 +1,17 @@
 groups:
   - id: registry.thread
-    prefix: thread
     type: attribute_group
     display_name: Thread Attributes
     brief: >
       These attributes may be used for any operation to store information about a thread that started a span.
     attributes:
-      - id: id
+      - id: thread.id
         type: int
         stability: experimental
         brief: >
           Current "managed" thread ID (as opposed to OS thread ID).
         examples: 42
-      - id: name
+      - id: thread.name
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/tls.yaml b/model/registry/tls.yaml
index c3d058cfbd..0699959def 100644
--- a/model/registry/tls.yaml
+++ b/model/registry/tls.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.tls
-    prefix: tls
     type: attribute_group
     display_name: TLS Attributes
     brief: "This document defines semantic convention attributes in the TLS namespace."
     attributes:
-      - id: cipher
+      - id: tls.cipher
         brief: >
           String indicating the [cipher](https://datatracker.ietf.org/doc/html/rfc5246#appendix-A.5) used during the current connection.
         type: string
@@ -18,34 +17,34 @@ groups:
             "TLS_RSA_WITH_3DES_EDE_CBC_SHA",
             "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
           ]
-      - id: client.certificate
+      - id: tls.client.certificate
         type: string
         stability: experimental
         brief: >
           PEM-encoded stand-alone certificate offered by the client. This is usually mutually-exclusive of `client.certificate_chain` since this value also exists in that list.
         examples: ["MII..."]
-      - id: client.certificate_chain
+      - id: tls.client.certificate_chain
         type: string[]
         stability: experimental
         brief: >
           Array of PEM-encoded certificates that make up the certificate chain offered by the client.
           This is usually mutually-exclusive of `client.certificate` since that value should be the first certificate in the chain.
         examples: ["MII...", "MI..."]
-      - id: client.hash.md5
+      - id: tls.client.hash.md5
         type: string
         stability: experimental
         brief: >
           Certificate fingerprint using the MD5 digest of DER-encoded version of certificate offered by the client.
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples: ["0F76C7F2C55BFD7D8E8B8F4BFBF0C9EC"]
-      - id: client.hash.sha1
+      - id: tls.client.hash.sha1
         type: string
         stability: experimental
         brief: >
           Certificate fingerprint using the SHA1 digest of DER-encoded version of certificate offered by the client.
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples: ["9E393D93138888D288266C2D915214D1D1CCEB2A"]
-      - id: client.hash.sha256
+      - id: tls.client.hash.sha256
         type: string
         stability: experimental
         brief: >
@@ -53,33 +52,33 @@ groups:
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples:
           ["0687F666A054EF17A08E2F2162EAB4CBC0D265E1D7875BE74BF3C712CA92DAF0"]
-      - id: client.issuer
+      - id: tls.client.issuer
         type: string
         stability: experimental
         brief: "Distinguished name of [subject](https://datatracker.ietf.org/doc/html/rfc5280#section-4.1.2.6) of the issuer of the x.509 certificate presented by the client."
         examples:
           ["CN=Example Root CA, OU=Infrastructure Team, DC=example, DC=com"]
-      - id: client.ja3
+      - id: tls.client.ja3
         type: string
         stability: experimental
         brief: "A hash that identifies clients based on how they perform an SSL/TLS handshake."
         examples: ["d4e5b18d6b55c71272893221c96ba240"]
-      - id: client.not_after
+      - id: tls.client.not_after
         type: string
         stability: experimental
         brief: "Date/Time indicating when client certificate is no longer considered valid."
         examples: ["2021-01-01T00:00:00.000Z"]
-      - id: client.not_before
+      - id: tls.client.not_before
         type: string
         stability: experimental
         brief: "Date/Time indicating when client certificate is first considered valid."
         examples: ["1970-01-01T00:00:00.000Z"]
-      - id: client.subject
+      - id: tls.client.subject
         type: string
         stability: experimental
         brief: "Distinguished name of subject of the x.509 certificate presented by the client."
         examples: ["CN=myclient, OU=Documentation Team, DC=example, DC=com"]
-      - id: client.supported_ciphers
+      - id: tls.client.supported_ciphers
         type: string[]
         stability: experimental
         brief: Array of ciphers offered by the client during the client hello.
@@ -87,17 +86,17 @@ groups:
           [
             "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "..."
           ]
-      - id: curve
+      - id: tls.curve
         brief: "String indicating the curve used for the given cipher, when applicable"
         type: string
         stability: experimental
         examples: ["secp256r1"]
-      - id: established
+      - id: tls.established
         brief: "Boolean flag indicating if the TLS negotiation was successful and transitioned to an encrypted tunnel."
         type: boolean
         stability: experimental
         examples: [true]
-      - id: next_protocol
+      - id: tls.next_protocol
         brief: >
           String indicating the protocol being tunneled.
           Per the values in the [IANA registry](https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids),
@@ -105,11 +104,10 @@ groups:
         type: string
         stability: experimental
         examples: ["http/1.1"]
-      - id: protocol.name
+      - id: tls.protocol.name
         brief: >
           Normalized lowercase protocol name parsed from original string of the negotiated [SSL/TLS protocol version](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_version.html#RETURN-VALUES)
         type:
-          allow_custom_values: true
           members:
             - id: ssl
               value: ssl
@@ -118,45 +116,45 @@ groups:
               value: tls
               stability: experimental
         stability: experimental
-      - id: protocol.version
+      - id: tls.protocol.version
         brief: >
           Numeric part of the version parsed from the original string of the negotiated [SSL/TLS protocol version](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_version.html#RETURN-VALUES)
         type: string
         stability: experimental
         examples: ["1.2", "3"]
-      - id: resumed
+      - id: tls.resumed
         brief: "Boolean flag indicating if this TLS connection was resumed from an existing TLS negotiation."
         type: boolean
         stability: experimental
         examples: [true]
-      - id: server.certificate
+      - id: tls.server.certificate
         type: string
         stability: experimental
         brief: >
           PEM-encoded stand-alone certificate offered by the server. This is usually mutually-exclusive of `server.certificate_chain` since this value also exists in that list.
         examples: ["MII..."]
-      - id: server.certificate_chain
+      - id: tls.server.certificate_chain
         type: string[]
         stability: experimental
         brief: >
           Array of PEM-encoded certificates that make up the certificate chain offered by the server.
           This is usually mutually-exclusive of `server.certificate` since that value should be the first certificate in the chain.
         examples: ["MII...", "MI..."]
-      - id: server.hash.md5
+      - id: tls.server.hash.md5
         type: string
         stability: experimental
         brief: >
           Certificate fingerprint using the MD5 digest of DER-encoded version of certificate offered by the server.
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples: ["0F76C7F2C55BFD7D8E8B8F4BFBF0C9EC"]
-      - id: server.hash.sha1
+      - id: tls.server.hash.sha1
         type: string
         stability: experimental
         brief: >
           Certificate fingerprint using the SHA1 digest of DER-encoded version of certificate offered by the server.
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples: ["9E393D93138888D288266C2D915214D1D1CCEB2A"]
-      - id: server.hash.sha256
+      - id: tls.server.hash.sha256
         type: string
         stability: experimental
         brief: >
@@ -164,28 +162,28 @@ groups:
           For consistency with other hash values, this value should be formatted as an uppercase hash.
         examples:
           ["0687F666A054EF17A08E2F2162EAB4CBC0D265E1D7875BE74BF3C712CA92DAF0"]
-      - id: server.issuer
+      - id: tls.server.issuer
         type: string
         stability: experimental
         brief: "Distinguished name of [subject](https://datatracker.ietf.org/doc/html/rfc5280#section-4.1.2.6) of the issuer of the x.509 certificate presented by the client."
         examples:
           ["CN=Example Root CA, OU=Infrastructure Team, DC=example, DC=com"]
-      - id: server.ja3s
+      - id: tls.server.ja3s
         type: string
         stability: experimental
         brief: "A hash that identifies servers based on how they perform an SSL/TLS handshake."
         examples: ["d4e5b18d6b55c71272893221c96ba240"]
-      - id: server.not_after
+      - id: tls.server.not_after
         type: string
         stability: experimental
         brief: "Date/Time indicating when server certificate is no longer considered valid."
         examples: ["2021-01-01T00:00:00.000Z"]
-      - id: server.not_before
+      - id: tls.server.not_before
         type: string
         stability: experimental
         brief: "Date/Time indicating when server certificate is first considered valid."
         examples: ["1970-01-01T00:00:00.000Z"]
-      - id: server.subject
+      - id: tls.server.subject
         type: string
         stability: experimental
         brief: "Distinguished name of subject of the x.509 certificate presented by the server."
diff --git a/model/registry/url.yaml b/model/registry/url.yaml
index 0c808ad5f0..cb12534d57 100644
--- a/model/registry/url.yaml
+++ b/model/registry/url.yaml
@@ -3,9 +3,8 @@ groups:
     brief: Attributes describing URL.
     type: attribute_group
     display_name: URL Attributes
-    prefix: url
     attributes:
-      - id: domain
+      - id: url.domain
         type: string
         stability: experimental
         brief: >
@@ -16,7 +15,7 @@ groups:
           If the URL contains a [literal IPv6 address](https://www.rfc-editor.org/rfc/rfc2732#section-2)
           enclosed by `[` and `]`, the `[` and `]` characters should also be captured in the domain field.
         examples: ["www.foo.bar", "opentelemetry.io", "3.12.167.2", "[1080:0:0:0:8:800:200C:417A]"]
-      - id: extension
+      - id: url.extension
         type: string
         stability: experimental
         brief: >
@@ -25,13 +24,13 @@ groups:
           The file extension is only set if it exists, as not every url has a file extension.
           When the file name has multiple extensions `example.tar.gz`, only the last one should be captured `gz`, not `tar.gz`.
         examples: [ "png", "gz" ]
-      - id: fragment
+      - id: url.fragment
         stability: stable
         type: string
         brief: >
           The [URI fragment](https://www.rfc-editor.org/rfc/rfc3986#section-3.5) component
         examples: ["SemConv"]
-      - id: full
+      - id: url.full
         stability: stable
         type: string
         brief: Absolute URL describing a network resource according to [RFC3986](https://www.rfc-editor.org/rfc/rfc3986)
@@ -45,7 +44,7 @@ groups:
           `url.full` SHOULD capture the absolute URL when it is available (or can be reconstructed).
           Sensitive content provided in `url.full` SHOULD be scrubbed when instrumentations can identify it.
         examples: ['https://www.foo.bar/search?q=OpenTelemetry#SemConv', '//localhost']
-      - id: original
+      - id: url.original
         type: string
         stability: experimental
         brief: >
@@ -57,7 +56,7 @@ groups:
           `url.original` might contain credentials passed via URL in form of `https://username:password@www.example.com/`.
           In such case password and username SHOULD NOT be redacted and attribute's value SHOULD remain the same.
         examples: ["https://www.foo.bar/search?q=OpenTelemetry#SemConv", "search?q=OpenTelemetry"]
-      - id: path
+      - id: url.path
         stability: stable
         type: string
         brief: >
@@ -65,13 +64,13 @@ groups:
         examples: ["/search"]
         note: >
           Sensitive content provided in `url.path` SHOULD be scrubbed when instrumentations can identify it.
-      - id: port
+      - id: url.port
         type: int
         stability: experimental
         brief: >
           Port extracted from the `url.full`
         examples: [443]
-      - id: query
+      - id: url.query
         stability: stable
         type: string
         brief: >
@@ -79,7 +78,7 @@ groups:
         examples: ["q=OpenTelemetry"]
         note: >
           Sensitive content provided in `url.query` SHOULD be scrubbed when instrumentations can identify it.
-      - id: registered_domain
+      - id: url.registered_domain
         type: string
         stability: experimental
         brief: >
@@ -89,13 +88,13 @@ groups:
           This value can be determined precisely with the [public suffix list](http://publicsuffix.org).
           For example, the registered domain for `foo.example.com` is `example.com`.
           Trying to approximate this by simply taking the last two labels will not work well for TLDs such as `co.uk`.
-      - id: scheme
+      - id: url.scheme
         stability: stable
         type: string
         brief: >
           The [URI scheme](https://www.rfc-editor.org/rfc/rfc3986#section-3.1) component identifying the used protocol.
         examples: ["https", "ftp", "telnet"]
-      - id: subdomain
+      - id: url.subdomain
         type: string
         stability: experimental
         brief: >
@@ -106,13 +105,13 @@ groups:
         note: >
            The subdomain portion of `www.east.mydomain.co.uk` is `east`. If the domain has multiple levels of subdomain,
            such as `sub2.sub1.example.com`, the subdomain field should contain `sub2.sub1`, with no trailing period.
-      - id: template
+      - id: url.template
         type: string
         stability: experimental
         brief: >
           The low-cardinality template of an [absolute path reference](https://www.rfc-editor.org/rfc/rfc3986#section-4.2).
         examples: ["/users/{id}", "/users/:id", "/users?id={id}"]
-      - id: top_level_domain
+      - id: url.top_level_domain
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/user-agent.yaml b/model/registry/user-agent.yaml
index 9520c8c5d8..b54df13f98 100644
--- a/model/registry/user-agent.yaml
+++ b/model/registry/user-agent.yaml
@@ -1,11 +1,10 @@
 groups:
   - id: registry.user_agent
-    prefix: user_agent
     type: attribute_group
     display_name: User-agent Attributes
     brief: "Describes user-agent attributes."
     attributes:
-      - id: original
+      - id: user_agent.original
         stability: stable
         type: string
         brief: >
@@ -13,7 +12,7 @@ groups:
         examples: ['CERN-LineMode/2.15 libwww/2.17b3',
                    'Mozilla/5.0 (iPhone; CPU iPhone OS 14_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Mobile/15E148 Safari/604.1',
                    'YourApp/1.0.0 grpc-java-okhttp/1.27.2']
-      - id: name
+      - id: user_agent.name
         type: string
         stability: experimental
         brief: >
@@ -24,7 +23,7 @@ groups:
           a user-agent for non-browser products, such as microservices with multiple names/versions inside the
           `user_agent.original`, the most significant name SHOULD be selected. In such a scenario it should align with
           `user_agent.version`
-      - id: version
+      - id: user_agent.version
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/user.yaml b/model/registry/user.yaml
index 10178f00a8..e7e518c20b 100644
--- a/model/registry/user.yaml
+++ b/model/registry/user.yaml
@@ -1,23 +1,22 @@
 groups:
   - id: registry.user
-    prefix: user
     type: attribute_group
     display_name: User Attributes
     brief: "Describes information about the user."
     attributes:
-      - id: email
+      - id: user.email
         type: string
         stability: experimental
         brief: >
           User email address.
         examples: ['a.einstein@example.com']
-      - id: full_name
+      - id: user.full_name
         type: string
         stability: experimental
         brief: >
           User's full name
         examples: ['Albert Einstein']
-      - id: hash
+      - id: user.hash
         type: string
         stability: experimental
         brief: >
@@ -25,19 +24,19 @@ groups:
         note: >
           Useful if `user.id` or `user.name` contain confidential information and cannot be used.
         examples: ['364fc68eaf4c8acec74a4e52d7d1feaa']
-      - id: id
+      - id: user.id
         type: string
         stability: experimental
         brief: >
           Unique identifier of the user.
         examples: ['S-1-5-21-202424912787-2692429404-2351956786-1000']
-      - id: name
+      - id: user.name
         type: string
         stability: experimental
         brief: >
           Short name or login/username of the user.
         examples: ['a.einstein']
-      - id: roles
+      - id: user.roles
         type: string[]
         stability: experimental
         brief: >
diff --git a/model/registry/v8js.yaml b/model/registry/v8js.yaml
index d39f6e0967..8aa99438ba 100644
--- a/model/registry/v8js.yaml
+++ b/model/registry/v8js.yaml
@@ -3,9 +3,8 @@ groups:
     type: attribute_group
     brief: Describes V8 JS Engine Runtime related attributes.
     display_name: V8 JS Attributes
-    prefix: v8js
     attributes:
-      - id: gc.type
+      - id: v8js.gc.type
         stability: experimental
         brief: The type of garbage collection.
         type:
@@ -26,7 +25,7 @@ groups:
               value: 'weakcb'
               brief: 'Weak Callbacks (Process Weak Callbacks).'
               stability: experimental
-      - id: heap.space.name
+      - id: v8js.heap.space.name
         stability: experimental
         brief: The name of the space type of heap memory.
         note: >
diff --git a/model/registry/vcs.yaml b/model/registry/vcs.yaml
index a04ca9122e..150bf591ad 100644
--- a/model/registry/vcs.yaml
+++ b/model/registry/vcs.yaml
@@ -1,12 +1,11 @@
 groups:
   - id: registry.vcs.repository
-    prefix: vcs.repository
     type: attribute_group
     brief: >
       This group defines the attributes for
       [Version Control Systems (VCS)](https://en.wikipedia.org/wiki/Version_control).
     attributes:
-      - id: url.full
+      - id: vcs.repository.url.full
         type: string
         stability: experimental
         brief: >
@@ -18,7 +17,7 @@ groups:
             "https://github.com/opentelemetry/open-telemetry-collector-contrib",
             "https://gitlab.com/my-org/my-project/my-projects-project/repo",
           ]
-      - id: ref.name
+      - id: vcs.repository.ref.name
         type: string
         stability: experimental
         brief: >
@@ -26,7 +25,7 @@ groups:
           [reference](https://git-scm.com/docs/gitglossary#def_ref) such as
           **branch** or **tag** in the repository.
         examples: ["my-feature-branch", "tag-1-test"]
-      - id: ref.type
+      - id: vcs.repository.ref.type
         type:
           members:
             - id: branch
@@ -41,7 +40,7 @@ groups:
         brief: >
           The type of the [reference](https://git-scm.com/docs/gitglossary#def_ref) in the repository.
         examples: ["branch", "tag"]
-      - id: ref.revision
+      - id: vcs.repository.ref.revision
         type: string
         stability: experimental
         brief: >
@@ -64,7 +63,7 @@ groups:
             "123",
             "HEAD",
           ]
-      - id: change.title
+      - id: vcs.repository.change.title
         type: string
         stability: experimental
         brief: >
@@ -77,7 +76,7 @@ groups:
             "feat: add my new feature",
             "[chore] update dependency",
           ]
-      - id: change.id
+      - id: vcs.repository.change.id
         type: string
         stability: experimental
         brief: >
diff --git a/model/registry/webengine.yaml b/model/registry/webengine.yaml
index 97d01e45aa..ee2c14efe4 100644
--- a/model/registry/webengine.yaml
+++ b/model/registry/webengine.yaml
@@ -1,24 +1,23 @@
 groups:
   - id: registry.webengine
-    prefix: webengine
     type: attribute_group
     display_name: Web Engine Attributes
     brief: >
        This document defines the attributes used to describe the packaged software running the application code.
     attributes:
-      - id: name
+      - id: webengine.name
         type: string
         stability: experimental
         brief: >
           The name of the web engine.
         examples: ['WildFly']
-      - id: version
+      - id: webengine.version
         type: string
         stability: experimental
         brief: >
           The version of the web engine.
         examples: ['21.0.0']
-      - id: description
+      - id: webengine.description
         type: string
         stability: experimental
         brief: >
diff --git a/model/resource/android.yaml b/model/resource/android.yaml
index 0f2b756eb9..d749201b30 100644
--- a/model/resource/android.yaml
+++ b/model/resource/android.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: android
-    prefix: android
     type: resource
     brief: >
       The Android platform on which the Android application is running.
diff --git a/model/resource/browser.yaml b/model/resource/browser.yaml
index 0ec1a6e3aa..c732a2c9d4 100644
--- a/model/resource/browser.yaml
+++ b/model/resource/browser.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: browser
-    prefix: browser
     type: resource
     brief: >
         The web browser in which the application represented by the resource is running.
diff --git a/model/resource/cloud.yaml b/model/resource/cloud.yaml
index 4699f84842..c6de5db22e 100644
--- a/model/resource/cloud.yaml
+++ b/model/resource/cloud.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: cloud
-    prefix: cloud
     type: resource
     brief: >
       A cloud environment (e.g. GCP, Azure, AWS)
diff --git a/model/resource/container.yaml b/model/resource/container.yaml
index c0034ca7ca..41c178071f 100644
--- a/model/resource/container.yaml
+++ b/model/resource/container.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: container
-    prefix: container
     type: resource
     brief: >
       A container instance.
diff --git a/model/resource/device.yaml b/model/resource/device.yaml
index 8fab02a8e4..826402119d 100644
--- a/model/resource/device.yaml
+++ b/model/resource/device.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: device
-    prefix: device
     type: resource
     brief: >
         The device on which the process represented by this resource is running.
diff --git a/model/resource/faas.yaml b/model/resource/faas.yaml
index ab028c89bb..c794866b6c 100644
--- a/model/resource/faas.yaml
+++ b/model/resource/faas.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: faas_resource
-    prefix: faas
     type: resource
     brief: >
       A serverless instance.
diff --git a/model/resource/host.yaml b/model/resource/host.yaml
index b90b90dcf7..7a6c95b2d6 100644
--- a/model/resource/host.yaml
+++ b/model/resource/host.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: host
-    prefix: host
     type: resource
     brief: >
         A host is defined as a computing instance. For example, physical servers, virtual machines, switches or disk array.
@@ -18,7 +17,6 @@ groups:
         requirement_level: opt_in
 
   - id: host.cpu
-    prefix: host.cpu
     type: resource
     brief: >
       A host's CPU information
diff --git a/model/resource/k8s.yaml b/model/resource/k8s.yaml
index d94425e007..46522ca7d9 100644
--- a/model/resource/k8s.yaml
+++ b/model/resource/k8s.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: k8s.cluster
-    prefix: k8s.cluster
     type: resource
     brief: >
       A Kubernetes Cluster.
@@ -9,7 +8,6 @@ groups:
       - ref: k8s.cluster.uid
 
   - id: k8s.node
-    prefix: k8s.node
     type: resource
     brief: >
       A Kubernetes Node object.
@@ -18,7 +16,6 @@ groups:
       - ref: k8s.node.uid
 
   - id: k8s.namespace
-    prefix: k8s.namespace
     type: resource
     brief: >
       A Kubernetes Namespace.
@@ -26,7 +23,6 @@ groups:
       - ref: k8s.namespace.name
 
   - id: k8s.pod
-    prefix: k8s.pod
     type: resource
     brief: >
       A Kubernetes Pod object.
@@ -38,7 +34,6 @@ groups:
         requirement_level: opt_in
 
   - id: k8s.container
-    prefix: k8s.container
     type: resource
     brief: >
       A container in a [PodTemplate](https://kubernetes.io/docs/concepts/workloads/pods/#pod-templates).
@@ -48,7 +43,6 @@ groups:
       - ref: k8s.container.status.last_terminated_reason
 
   - id: k8s.replicaset
-    prefix: k8s.replicaset
     type: resource
     brief: >
       A Kubernetes ReplicaSet object.
@@ -57,7 +51,6 @@ groups:
       - ref: k8s.replicaset.name
 
   - id: k8s.deployment
-    prefix: k8s.deployment
     type: resource
     brief: >
       A Kubernetes Deployment object.
@@ -66,7 +59,6 @@ groups:
       - ref: k8s.deployment.name
 
   - id: k8s.statefulset
-    prefix: k8s.statefulset
     type: resource
     brief: >
       A Kubernetes StatefulSet object.
@@ -75,7 +67,6 @@ groups:
       - ref: k8s.statefulset.name
 
   - id: k8s.daemonset
-    prefix: k8s.daemonset
     type: resource
     brief: >
       A Kubernetes DaemonSet object.
@@ -84,7 +75,6 @@ groups:
       - ref: k8s.daemonset.name
 
   - id: k8s.job
-    prefix: k8s.job
     type: resource
     brief: >
       A Kubernetes Job object.
@@ -93,7 +83,6 @@ groups:
       - ref: k8s.job.name
 
   - id: k8s.cronjob
-    prefix: k8s.cronjob
     type: resource
     brief: >
       A Kubernetes CronJob object.
diff --git a/model/resource/os.yaml b/model/resource/os.yaml
index 772fdde3a0..5c3a76b477 100644
--- a/model/resource/os.yaml
+++ b/model/resource/os.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: os
-    prefix: os
     type: resource
     brief: >
         The operating system (OS) on which the process represented by this resource is running.
diff --git a/model/resource/process.yaml b/model/resource/process.yaml
index 36becc7606..600559732c 100644
--- a/model/resource/process.yaml
+++ b/model/resource/process.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: process
-    prefix: process
     type: resource
     brief: >
         An operating system process.
@@ -25,7 +24,6 @@ groups:
       - ref: process.owner
 
   - id: process.runtime
-    prefix: process.runtime
     type: resource
     brief: >
       The single (language) runtime instance which is monitored.
diff --git a/model/resource/service.yaml b/model/resource/service.yaml
index 6384246ae6..141cd1382b 100644
--- a/model/resource/service.yaml
+++ b/model/resource/service.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: service
-    prefix: service
     type: resource
     brief: >
       A service instance.
diff --git a/model/resource/service_experimental.yaml b/model/resource/service_experimental.yaml
index 97a58f6f6e..91f6e36c3e 100644
--- a/model/resource/service_experimental.yaml
+++ b/model/resource/service_experimental.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: service_experimental
-    prefix: service
     type: resource
     brief: >
       A service instance.
diff --git a/model/session.yaml b/model/session.yaml
index a0efc150e2..e01af0acef 100644
--- a/model/session.yaml
+++ b/model/session.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: session-id
-    prefix: session
     type: attribute_group
     brief: >
       Session is defined as the period of time encompassing all activities performed by the application and the actions
diff --git a/model/trace/database.yaml b/model/trace/database.yaml
index 36f321d03c..09eb678c03 100644
--- a/model/trace/database.yaml
+++ b/model/trace/database.yaml
@@ -335,7 +335,6 @@ groups:
   - id: db.cosmosdb
     type: span
     extends: trace.db.common.query_and_collection
-    prefix: db.cosmosdb
     brief: >
       Attributes for Cosmos DB.
     attributes:
diff --git a/model/trace/faas.yaml b/model/trace/faas.yaml
index 5b3e53b09b..e2db4e14df 100644
--- a/model/trace/faas.yaml
+++ b/model/trace/faas.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: faas_span
-    prefix: faas
     type: span
     brief: >
         This semantic convention describes an instance of a function that
@@ -22,7 +21,6 @@ groups:
       - ref: cloud.resource_id
 
   - id: faas_span.datasource
-    prefix: faas.document
     type: span
     brief: >
       Semantic Convention for FaaS triggered as a response to some data
@@ -48,7 +46,6 @@ groups:
       sent to a messaging system.
 
   - id: faas_span.timer
-    prefix: faas
     type: span
     brief: >
       Semantic Convention for FaaS scheduled to be executed regularly.
@@ -58,7 +55,6 @@ groups:
 
   - id: faas_span.in
     span_kind: server
-    prefix: faas
     type: span
     brief: >
       Contains additional attributes for incoming FaaS spans.
@@ -79,7 +75,6 @@ groups:
 
   - id: faas_span.out
     span_kind: client
-    prefix: faas
     type: span
     brief: >
       Contains additional attributes for outgoing FaaS spans.
diff --git a/model/trace/instrumentation/aws-sdk.yml b/model/trace/instrumentation/aws-sdk.yml
index a2ea68a4f8..6dbe1d3211 100644
--- a/model/trace/instrumentation/aws-sdk.yml
+++ b/model/trace/instrumentation/aws-sdk.yml
@@ -1,6 +1,5 @@
 groups:
   - id: aws
-    prefix: aws
     type: span
     brief: >
       The `aws` conventions apply to operations using the AWS SDK. They map request or response parameters
diff --git a/model/trace/instrumentation/gcp-client.yml b/model/trace/instrumentation/gcp-client.yml
index 08a6ac311e..b89c2ba844 100644
--- a/model/trace/instrumentation/gcp-client.yml
+++ b/model/trace/instrumentation/gcp-client.yml
@@ -2,7 +2,6 @@ groups:
 - id: gcp.client.attributes
   type: attribute_group
   brief: Conventions for official Google Cloud client libraries.
-  prefix: gcp.client
   stability: experimental
   attributes:
   - ref: gcp.client.service
diff --git a/model/trace/rpc.yaml b/model/trace/rpc.yaml
index d578c6ba6a..caf7a2747d 100644
--- a/model/trace/rpc.yaml
+++ b/model/trace/rpc.yaml
@@ -1,6 +1,5 @@
 groups:
   - id: rpc
-    prefix: rpc
     type: span
     brief: 'This document defines semantic conventions for remote procedure calls.'
     events: [rpc.message]
@@ -74,7 +73,6 @@ groups:
         requirement_level: opt_in
 
   - id: rpc.jsonrpc
-    prefix: rpc.jsonrpc
     type: span
     extends: rpc
     brief: 'Tech-specific attributes for [JSON RPC](https://www.jsonrpc.org/).'
@@ -101,8 +99,8 @@ groups:
           RPC conventions for more information.
 
   - id: rpc.message
-    prefix: rpc.message
     type: event
+    name: rpc.message
     brief: "RPC received/sent message."
     attributes:
       - ref: rpc.message.type
diff --git a/model/trace/trace-exception.yaml b/model/trace/trace-exception.yaml
index 32c53f4b30..4078f07155 100644
--- a/model/trace/trace-exception.yaml
+++ b/model/trace/trace-exception.yaml
@@ -1,6 +1,6 @@
 groups:
   - id: trace-exception
-    prefix: exception
+    name: exception
     type: event
     brief: >
       This document defines the attributes used to
diff --git a/model/url.yaml b/model/url.yaml
index bb27dc4e6d..73fb91e274 100644
--- a/model/url.yaml
+++ b/model/url.yaml
@@ -2,7 +2,6 @@ groups:
   - id: url
     brief: Attributes describing URL.
     type: attribute_group
-    prefix: url
     attributes:
       - ref: url.scheme
       - ref: url.full
diff --git a/policies/yaml_schema.rego b/policies/yaml_schema.rego
new file mode 100644
index 0000000000..0d8cad7dd3
--- /dev/null
+++ b/policies/yaml_schema.rego
@@ -0,0 +1,21 @@
+package before_resolution
+
+yaml_schema_violation(description, group, attr) = violation {
+    violation := {
+        "id": description,
+        "type": "semconv_attribute",
+        "category": "yaml_schema_violation",
+        "attr": attr,
+        "group": group,
+    }
+}
+
+deny[yaml_schema_violation(description, group.id, "")] {
+    group := input.groups[_]
+
+    group.prefix != null
+    group.prefix != ""
+
+    # TODO (https://github.com/open-telemetry/weaver/issues/279): provide other violation properties once weaver supports it.
+    description := sprintf("Group '%s' uses prefix '%s'. All attribute should be fully qualified with their id, prefix is no longer supported.", [group.id, group.prefix])
+}
diff --git a/templates/registry/markdown/event_macros.j2 b/templates/registry/markdown/event_macros.j2
index 1fba93525c..1b03019e05 100644
--- a/templates/registry/markdown/event_macros.j2
+++ b/templates/registry/markdown/event_macros.j2
@@ -1,4 +1,4 @@
 {#- Macros for simplifying creating "Event" documentation. -#}
-{% macro header(event) %}{% if event.name or event.prefix %}The event name MUST be `{{ event.name or event.prefix }}`.
+{% macro header(event) %}{% if event.name %}The event name MUST be `{{ event.name }}`.
 
 {% endif %}{% endmacro %}