[
  {
    "rank": 1,
    "output_file": "sample_01_shuttle_tube_packaging.mp4",
    "source_file": "1001159760.mp4",
    "task": "Shuttle tube / canister packaging",
    "core_start_sec": 26.0,
    "core_end_sec": 326.0,
    "extension_sec": 60,
    "extension_direction": "back",
    "final_start_sec": 26.0,
    "final_end_sec": 386.0,
    "duration_sec": 359.99,
    "duration_min": 6.0,
    "front_adjacent_hand_score": 0.811,
    "back_adjacent_hand_score": 1.245,
    "actual_duration_sec": 359.99,
    "actual_width": 1920,
    "actual_height": 1080,
    "actual_fps": "30/1",
    "size_mb": 740.5,
    "sha256_video": "8f0cdac7752a7aaea5366fd9836bb8ce10dbeff71bccb0981ecff1e470cb1ed1",
    "sha256_overlay": "6ca82e99197423cb04f8eb433f185b584b70673dbb2e6138ef862a4f96431680",
    "reference_duration_sec": 359.99,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "environment": "factory",
    "capture_device": "Samsung Galaxy S24",
    "annotation_status": "complete",
    "session_id": "GGN_20260618_S01",
    "capture_date": "2026-06-18",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_846159",
    "task_id": "pack_shuttle_tube",
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 2,
    "output_file": "sample_02_industrial_sewing_machine.mp4",
    "source_file": "1001159277.mp4",
    "task": "Industrial sewing \u2014 cloth alignment, machine stitching",
    "core_start_sec": 196.0,
    "core_end_sec": 496.0,
    "extension_sec": 43,
    "extension_direction": "back",
    "final_start_sec": 196.0,
    "final_end_sec": 539.0,
    "duration_sec": 342.967,
    "duration_min": 5.72,
    "front_adjacent_hand_score": 0.462,
    "back_adjacent_hand_score": 0.563,
    "actual_duration_sec": 342.967,
    "actual_width": 1080,
    "actual_height": 1920,
    "actual_fps": "30/1",
    "size_mb": 507.3,
    "rotation_corrected": true,
    "rotation_note": "Source had rotation=90 metadata; re-encoded upright (1080x1920 portrait)",
    "sha256_video": "d8b3f09906c5d8fc3755c779713e1285525404bc4b38a7e3cfb8887e9d116ca6",
    "sha256_overlay": "d9af3bb7f48a471bdac35bde5cd91915a9aebf23ef883bdd5c58d322cbf1f2cb",
    "reference_duration_sec": 342.967,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "environment": "factory",
    "capture_device": "Samsung Galaxy S24",
    "annotation_status": "complete",
    "session_id": "GGN_20260618_S02",
    "capture_date": "2026-06-18",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_809884",
    "task_id": "sew_garment",
    "indoor_outdoor": "indoor",
    "lighting": "mixed",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 3,
    "output_file": "sample_03_heatgun_and_batching.mp4",
    "source_file": "1001159819.mp4",
    "task": "Shuttle tube packing + heat-gun shrink wrap",
    "core_start_sec": 667.31,
    "core_end_sec": 967.31,
    "extension_sec": 7,
    "extension_direction": "front",
    "final_start_sec": 660.31,
    "final_end_sec": 967.31,
    "duration_sec": 306.999,
    "duration_min": 5.12,
    "front_adjacent_hand_score": 0.326,
    "back_adjacent_hand_score": 0.205,
    "actual_duration_sec": 306.999,
    "actual_width": 1920,
    "actual_height": 1080,
    "actual_fps": "30/1",
    "size_mb": 629.0,
    "sha256_video": "f310008792af94f85aa071705ad0a12ed23a494b1a2fabab24ebcbfeb2ebc281",
    "sha256_overlay": "1975e73fff08fdf0e88dceb446967ee7406b0e2c5ccaa4a389503c1f0af8823e",
    "reference_duration_sec": 306.999,
    "notes": "Overlay reviewed (Option A filtered)",
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "environment": "factory",
    "capture_device": "Samsung Galaxy S24",
    "annotation_status": "complete",
    "session_id": "GGN_20260618_S03",
    "capture_date": "2026-06-18",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_111569",
    "task_id": "heat_shrink_wrap",
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 4,
    "output_file": "sample_04_garment_ironing_and_packing.mp4",
    "source_file": "1001159752.mp4",
    "task": "Garment folding, ironing, and finishing",
    "core_start_sec": 186.0,
    "core_end_sec": 486.0,
    "extension_sec": 0,
    "extension_direction": "trimmed",
    "final_start_sec": 186.0,
    "final_end_sec": 486.0,
    "duration_sec": 300.0,
    "duration_min": 5.0,
    "front_adjacent_hand_score": 0.304,
    "back_adjacent_hand_score": 0.397,
    "actual_duration_sec": 300.0,
    "actual_width": 1920,
    "actual_height": 1080,
    "actual_fps": "5167/100",
    "size_mb": 714.6,
    "notes": "Trimmed to exactly 5:00 \u2014 speed-up artifact after 5:01 removed",
    "sha256_video": "aa2f39f3569809bf228d848e44083c7206935ab6765151d29e468bb86808e5fb",
    "sha256_overlay": "01bd189b051f38887b8d52b590a288efb26bd7ff22b481f93d75347e0c451975",
    "reference_duration_sec": 300.0,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "environment": "factory",
    "capture_device": "Samsung Galaxy S24",
    "annotation_status": "complete",
    "session_id": "GGN_20260618_S04",
    "capture_date": "2026-06-18",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_862915",
    "task_id": "iron_and_pack",
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 5,
    "output_file": "sample_05_commercial_catering.mp4",
    "source_file": "IMG_7392.MOV",
    "task": "Commercial catering \u2014 large-scale food prep",
    "core_start_sec": 0.0,
    "core_end_sec": 371.89,
    "extension_sec": 0,
    "extension_direction": "hand_window",
    "final_start_sec": 0.0,
    "final_end_sec": 371.89,
    "duration_sec": 371.955,
    "duration_min": 6.2,
    "hands_detected_pct": 26.29,
    "two_hands_pct": 3.18,
    "actual_duration_sec": 371.955,
    "actual_width": 1080,
    "actual_height": 1920,
    "actual_fps": "30/1",
    "size_mb": 756.4,
    "sha256_video": "e541f3b6e76e331f375ed4f1a4daa73f26dd2fba5bb7b05b67654679105750f1",
    "sha256_overlay": "1e0d7043a304ceac50fef0d0bfedc6c9fff33df7c81010eac6159e446bbba7d4",
    "reference_duration_sec": 371.955,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "annotation_status": "complete",
    "environment": "restaurant",
    "capture_device": "Apple iPhone 16 Pro Max",
    "session_id": "GGN_20260620_S05",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_930715",
    "task_id": "commercial_catering",
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 6,
    "output_file": "sample_06_cane_weaving.mp4",
    "source_file": "IMG_7374.MOV",
    "task": "Cane / rattan chair weaving",
    "core_start_sec": 704.83,
    "core_end_sec": 1049.37,
    "extension_sec": 0,
    "extension_direction": "hand_window",
    "final_start_sec": 704.83,
    "final_end_sec": 1049.37,
    "duration_sec": 344.711,
    "duration_min": 5.75,
    "hands_detected_pct": 72.82,
    "two_hands_pct": 22.07,
    "actual_duration_sec": 344.711,
    "actual_width": 1920,
    "actual_height": 1080,
    "actual_fps": "30/1",
    "size_mb": 384.9,
    "sha256_video": "c74f11f6b33cd5efddf2a6076bc0133747fc63e689c23dca0d75649de21f5fe5",
    "sha256_overlay": "f79bbb10cb21e27f4b9ba420ce7e7c7c0212946d3b629dd1d6ae90d557260fe9",
    "reference_duration_sec": 344.711,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "rotation_corrected": true,
    "rotation_note": "Re-encoded 180\u00b0 upright (1920x1080); action segments unchanged",
    "notes": "180\u00b0 rotation fix.",
    "annotation_status": "complete",
    "environment": "roadside_shop",
    "capture_device": "Apple iPhone 16 Pro Max",
    "session_id": "GGN_20260620_S06",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_207935",
    "task_id": "cane_weaving",
    "indoor_outdoor": "outdoor",
    "lighting": "natural",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 7,
    "output_file": "sample_07_car_detailing.mp4",
    "source_file": "car_detailing_video.mp4",
    "task": "Car detailing \u2014 coating apply and microfiber buff",
    "core_start_sec": 81.47,
    "core_end_sec": 397.28,
    "extension_sec": 0,
    "extension_direction": "hand_window",
    "final_start_sec": 81.47,
    "final_end_sec": 397.28,
    "duration_sec": 274.8,
    "duration_min": 4.58,
    "hands_detected_pct": 72.51,
    "two_hands_pct": 14.22,
    "actual_duration_sec": 274.8,
    "actual_width": 2560,
    "actual_height": 1440,
    "actual_fps": "30/1",
    "size_mb": 1612.0,
    "sha256_video": "132b1673d8c74c76b32dd12c1516e5ca943382340a33e65ec3fd961e8da36d79",
    "sha256_overlay": "85bc68e4e456d5e9b82bebfbb14235238481d7d4daaf408780900f94e2a96b79",
    "reference_duration_sec": 274.8,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "annotation_status": "complete",
    "trim_start_sec": 41,
    "rotation_corrected": true,
    "rotation_note": "Pack clip trimmed from 0:41; 180\u00b0 visual correction; hand keypoints + overlay re-exported.",
    "notes": "Additional 41s trim at pack stage + 180\u00b0 rotation fix.",
    "environment": "car_showroom",
    "capture_device": "Samsung Galaxy S24",
    "session_id": "GGN_20260620_S07",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_583769",
    "task_id": "car_detailing",
    "indoor_outdoor": "indoor",
    "lighting": "tubelight_cfl",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 8,
    "output_file": "sample_08_primer_and_painting.mp4",
    "source_file": "Primer and Painting-003.mp4",
    "task": "Auto body \u2014 primer prep and painting",
    "core_start_sec": 0.27,
    "core_end_sec": 300.33,
    "extension_sec": 0,
    "extension_direction": "hand_window",
    "final_start_sec": 0.27,
    "final_end_sec": 300.33,
    "duration_sec": 300.033,
    "duration_min": 5.0,
    "hands_detected_pct": 55.46,
    "two_hands_pct": 5.94,
    "actual_duration_sec": 300.033,
    "actual_width": 2560,
    "actual_height": 1440,
    "actual_fps": "30/1",
    "size_mb": 1415.5,
    "sha256_video": "f293d22fc8eda2482fbae1547b20afe87ca1984b1bc8194cea86f3955999240e",
    "sha256_overlay": "e95562fc8fcd5617798a98c9ee5959e6457754a53eeb5fe4b6a08ed44d49b1c7",
    "reference_duration_sec": 300.033,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "annotation_status": "complete",
    "rotation_corrected": true,
    "rotation_note": "Re-encoded 180\u00b0 (hflip,vflip); keypoints+overlay regenerated; segments unchanged",
    "object_boxes": "applied_auto",
    "object_box_detections": 932,
    "environment": "repair_shop",
    "capture_device": "Samsung Galaxy S24",
    "session_id": "GGN_20260620_S08",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_851183",
    "task_id": "primer_and_painting",
    "indoor_outdoor": "outdoor",
    "lighting": "natural",
    "mount_type": "head_mounted_via_headband_egocentric"
  },
  {
    "rank": 9,
    "output_file": "sample_09_denting_and_filing.mp4",
    "source_file": "Denting & Filing-002.mp4",
    "task": "Auto body \u2014 denting and angle-grinder filing",
    "core_start_sec": 35.74,
    "core_end_sec": 336.25,
    "extension_sec": 0,
    "extension_direction": "hand_window",
    "final_start_sec": 35.74,
    "final_end_sec": 336.25,
    "duration_sec": 300.491,
    "duration_min": 5.01,
    "hands_detected_pct": 30.44,
    "two_hands_pct": 1.46,
    "actual_duration_sec": 300.491,
    "actual_width": 3840,
    "actual_height": 2160,
    "actual_fps": "30/1",
    "size_mb": 1465.3,
    "sha256_video": "f79d40c4577f66a4fbbde8452b01d91ccf1d62f7efa21d0c784082468f3c15fa",
    "sha256_overlay": "4c89a720f87e784f5307d07f9357f0ee232fdf67ab32ab4b9679d1a339794b8f",
    "reference_duration_sec": 300.491,
    "audio_stripped": true,
    "audio_note": "Audio removed for PII compliance before client delivery",
    "face_blur": "skipped_no_faces",
    "pii_notes": "Audio stripped. No identifiable faces during annotation review; face blur waived.",
    "annotation_status": "complete",
    "environment": "roadside_repair_shop",
    "capture_device": "Samsung Galaxy S24",
    "session_id": "GGN_20260620_S09",
    "capture_date": "2026-06-20",
    "timezone": "Asia/Kolkata",
    "collector_id": "WRK_290669",
    "task_id": "denting_and_filing",
    "indoor_outdoor": "outdoor",
    "lighting": "natural",
    "mount_type": "head_mounted_via_headband_egocentric"
  }
]