{
  "arm": "chunk_25",
  "started_at_utc": "2026-08-03T11:19:55.968555+00:00",
  "ended_at_utc": "2026-08-03T11:37:16.883333+00:00",
  "exit_code": 0,
  "log": "/home/ubuntu/ai-agent-book/chapter7/openvla-robotwin2-eval/runs/exp7-13-localgpu-20260803-v1/chunk_25/upstream.log"
}