This is the opensource heartbeat for Livermore Computing! You can generate your own with the GitHub action rseng/opensource-heartbeat-action.
Given you've cloned the repository above:
$ export INPUT_COLLECTION=_events
$ export INPUT_EVENTS=Issues,IssuesEvent,IssueCommentEvent
$ python ../opensource-heartbeat-action/scripts/generate-events.py --orgs user-orgs.txt