{
  "clip_id": "sample_06_cane_weaving",
  "video_file": "sample_06_cane_weaving.mp4",
  "environment": "roadside_shop",
  "task": "Cane / rattan chair weaving",
  "duration_seconds": 344.711,
  "fps": 30,
  "resolution": "1920x1080",
  "codec": "h264",
  "camera_view": "monocular_egocentric",
  "capture_device": "Apple iPhone 16 Pro Max",
  "manipulator_details": {
    "hand_used": "left_dominant",
    "left_hand_pct": 58.85,
    "right_hand_pct": 29.36,
    "two_hands_pct": 16.35,
    "object_target": "nail",
    "hands_visible_pct": 68.61
  },
  "anonymization": {
    "identifiable_faces_present": false,
    "face_blur_required": false,
    "face_blur_applied": false,
    "face_privacy_review": "manual_pass",
    "face_privacy_note": "Human review confirmed no identifiable faces in delivered frames; pixel blur not required.",
    "audio_removed": true,
    "pii_scanned": true,
    "notes": "No identifiable faces in frame during review; audio stripped from deliverable. Human review confirmed no identifiable faces in delivered frames; pixel blur not required."
  },
  "consent_signed": true,
  "consent_reference": "consent/worker_consent_summary.md",
  "annotations": {
    "action_segment_count": 25,
    "caption": "Craftsman repairs a cane/rattan chair from an egocentric view: rotates the chair, bends thin wooden straps onto the dark frame, drives nails with a hammer (left hand holds nail/strap, right hand strikes), scores and trims excess strap with a blade and cutter, and repeats the nail-and-hammer cycle along the seat and back weave.",
    "hand_keypoints_jsonl": "sample_06_cane_weaving_hand_keypoints.jsonl",
    "hand_keypoints_frames": 10331,
    "hand_pose_label": "estimated_2d"
  },
  "qa_flags": {
    "continuous_integration_qa_pass": true,
    "resolution_verified": true,
    "duration_alignment_verified": true,
    "schema_validated": true,
    "audio_stripped": true,
    "ptp_synchronized": "not_applicable",
    "hand_object_occlusion_logged": true
  },
  "integrity": {
    "sha256_video": "c74f11f6b33cd5efddf2a6076bc0133747fc63e689c23dca0d75649de21f5fe5",
    "sha256_overlay": "71e7d8d63f1e06142474441e76998bfdea470eaf0e4c773f565eecbb14927268"
  },
  "hand_object_contact": {
    "frames_sampled": 411,
    "contact_frames": 89,
    "contact_rate_pct": 21.65,
    "hand_object_occlusion_logged": true
  },
  "session": {
    "session_id": "GGN_20260620_S06",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_207935",
    "clips_in_session": 1,
    "indoor_outdoor": "outdoor",
    "lighting": "natural",
    "mount_type": "head_mounted_via_headband_egocentric",
    "task_id": "cane_weaving",
    "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.",
    "utc_precision": "minute_approximate",
    "capture_start_ist_approx": "2026-06-20T15:04:00+05:30",
    "capture_start_utc_approx": "2026-06-20T09:34:00Z"
  },
  "task_id": "cane_weaving"
}