{
  "clip_id": "sample_07_car_detailing",
  "video_file": "sample_07_car_detailing.mp4",
  "environment": "car_showroom",
  "task": "Car detailing \u2014 coating apply and microfiber buff",
  "duration_seconds": 274.8,
  "fps": 30,
  "resolution": "2560x1440",
  "codec": "h264",
  "camera_view": "monocular_egocentric",
  "capture_device": "Samsung Galaxy S24",
  "manipulator_details": {
    "hand_used": "right_dominant",
    "left_hand_pct": 20.94,
    "right_hand_pct": 65.79,
    "two_hands_pct": 14.22,
    "object_target": "microfiber_cloth",
    "hands_visible_pct": 72.51
  },
  "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": 17,
    "caption": "Detailer applies protective coating on a car bonnet inside a hex-lit bay: spreads product with a blue applicator pad in horizontal and vertical strokes over marked sections, primes the pad from a small bottle, buffs with a microfiber cloth in circular passes, refolds the cloth for a fresh side, and repeats the apply-and-buff cycle.",
    "hand_keypoints_jsonl": "sample_07_car_detailing_hand_keypoints.jsonl",
    "hand_keypoints_frames": 8244,
    "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": "132b1673d8c74c76b32dd12c1516e5ca943382340a33e65ec3fd961e8da36d79",
    "sha256_overlay": "85bc68e4e456d5e9b82bebfbb14235238481d7d4daaf408780900f94e2a96b79"
  },
  "hand_object_contact": {
    "frames_sampled": 477,
    "contact_frames": 297,
    "contact_rate_pct": 62.26,
    "hand_object_occlusion_logged": true
  },
  "session": {
    "session_id": "GGN_20260620_S07",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_583769",
    "clips_in_session": 1,
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric",
    "task_id": "car_detailing",
    "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": "2026-06-20T15:14:00+05:30",
    "capture_start_utc_approx": "2026-06-20T09:44:00Z"
  },
  "task_id": "car_detailing"
}