{
  "session_id": "GGN_20260620_S09",
  "capture_date": "2026-06-20",
  "timezone": "Asia/Kolkata",
  "collector_id": "WRK_290669",
  "clips_in_session": 1,
  "indoor_outdoor": "outdoor",
  "lighting": "natural",
  "mount_type": "head_mounted_via_headband_egocentric",
  "task_id": "denting_and_filing",
  "time_reference": "clip_start",
  "utc_available": true,
  "utc_note": "Wall-clock start approximated for robotics fusion (minute resolution, 12:00-17:00 IST window); not embedded in deliverable MP4. Clip-relative timestamps remain authoritative.",
  "clip_id": "sample_09_denting_and_filing",
  "video_file": "sample_09_denting_and_filing.mp4",
  "environment": "roadside_repair_shop",
  "capture_device": "Samsung Galaxy S24",
  "duration_seconds": 300.491,
  "timestamps_csv": "annotations/timestamps/sample_09_denting_and_filing_timestamps.csv",
  "frame_count": 9015,
  "utc_precision": "minute_approximate",
  "capture_start_ist_approx": "2026-06-20T15:30:00+05:30",
  "capture_start_utc_approx": "2026-06-20T10:00:00Z"
}