| { | |
| "schema_version": "1.1.0", | |
| "name": "diffraction-egocentric-maintenance-sample", | |
| "type": "human_egocentric_observation", | |
| "capture_mode": "rgb_only", | |
| "release_status": "release", | |
| "license": "cc-by-4.0", | |
| "robot_actions": "absent", | |
| "coordinate_frame": "2D displayed RGB image axes (+x right, +y down); hand x/y and object boxes use width/height-normalized coordinates; no metric camera/world calibration", | |
| "episodes": [ | |
| { | |
| "capture_id": "remove-tape", | |
| "instruction": "Remove pieces of adhesive tape from the air conditioner front housing.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/remove-tape.mp4", | |
| "preview": "previews/remove-tape.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/remove-tape/frame_mapping.parquet", | |
| "quality": "annotations/remove-tape/quality.parquet", | |
| "hand_pose_raw": "annotations/remove-tape/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/remove-tape/hand_pose.parquet", | |
| "tracks_raw": "annotations/remove-tape/tracks_raw.parquet", | |
| "tracks": "annotations/remove-tape/tracks.parquet" | |
| }, | |
| "frame_count": 870, | |
| "duration_s": 28.983333, | |
| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.0173, | |
| "modalities": { | |
| "rgb": true, | |
| "audio": false, | |
| "depth": false, | |
| "camera_intrinsics": false, | |
| "camera_pose": false, | |
| "imu": false, | |
| "robot_actions": false | |
| }, | |
| "source_sha256": "58cf0a658435d8a96e72eb241bd5f6f30fbaafcb7e2e5fb9ec63ee24eceeeefe", | |
| "source": { | |
| "codec": "hevc", | |
| "width": 1920, | |
| "height": 1080, | |
| "pixel_format": "yuv420p10le", | |
| "color_transfer": "arib-std-b67", | |
| "color_primaries": "bt2020", | |
| "color_space": "bt2020nc", | |
| "rotation_deg": 0, | |
| "audio_present": true, | |
| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6489.MOV", | |
| "source_sha256": "58cf0a658435d8a96e72eb241bd5f6f30fbaafcb7e2e5fb9ec63ee24eceeeefe", | |
| "source_frame_semantics": "zero_based_displayed_source_video_frame", | |
| "source_time_base": [ | |
| 1, | |
| 600 | |
| ], | |
| "selection": { | |
| "requested_start_s": 2.0, | |
| "requested_end_s": 31.0, | |
| "first_source_frame": 60, | |
| "last_source_frame": 929 | |
| }, | |
| "transform": { | |
| "hdr_to_sdr": true, | |
| "tone_mapper": "hable", | |
| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
| "frame_mapping": "one_to_one_source_display_frames; original_PTS_spacing" | |
| } | |
| }, | |
| "video_sha256": "7097380a0de1742f4068ec0ca4a2e09870aa69618f238570e0d749b8386e9f64" | |
| }, | |
| { | |
| "capture_id": "brush-front-grille", | |
| "instruction": "Brush the air conditioner front grille while stabilizing the housing.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/brush-front-grille.mp4", | |
| "preview": "previews/brush-front-grille.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/brush-front-grille/frame_mapping.parquet", | |
| "quality": "annotations/brush-front-grille/quality.parquet", | |
| "hand_pose_raw": "annotations/brush-front-grille/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/brush-front-grille/hand_pose.parquet", | |
| "tracks_raw": "annotations/brush-front-grille/tracks_raw.parquet", | |
| "tracks": "annotations/brush-front-grille/tracks.parquet" | |
| }, | |
| "frame_count": 899, | |
| "duration_s": 29.951667, | |
| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.015, | |
| "modalities": { | |
| "rgb": true, | |
| "audio": false, | |
| "depth": false, | |
| "camera_intrinsics": false, | |
| "camera_pose": false, | |
| "imu": false, | |
| "robot_actions": false | |
| }, | |
| "source_sha256": "fd64ed7eab78adce70287f50e5361b125c3202184092d6335fb75c3f5067b500", | |
| "source": { | |
| "codec": "hevc", | |
| "width": 1920, | |
| "height": 1080, | |
| "pixel_format": "yuv420p10le", | |
| "color_transfer": "arib-std-b67", | |
| "color_primaries": "bt2020", | |
| "color_space": "bt2020nc", | |
| "rotation_deg": 0, | |
| "audio_present": true, | |
| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6490.MOV", | |
| "source_sha256": "fd64ed7eab78adce70287f50e5361b125c3202184092d6335fb75c3f5067b500", | |
| "source_frame_semantics": "zero_based_displayed_source_video_frame", | |
| "source_time_base": [ | |
| 1, | |
| 600 | |
| ], | |
| "selection": { | |
| "requested_start_s": 30.0, | |
| "requested_end_s": 60.0, | |
| "first_source_frame": 900, | |
| "last_source_frame": 1798 | |
| }, | |
| "transform": { | |
| "hdr_to_sdr": true, | |
| "tone_mapper": "hable", | |
| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
| "frame_mapping": "one_to_one_source_display_frames; original_PTS_spacing" | |
| } | |
| }, | |
| "video_sha256": "0d0fcd9009cb344dc4e1a587ade9cbd5e1aeefac3b216ddec9d2398b2f522299" | |
| }, | |
| { | |
| "capture_id": "brush-housing", | |
| "instruction": "Prepare the brush and scrub the exposed upper housing of the air conditioner.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/brush-housing.mp4", | |
| "preview": "previews/brush-housing.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/brush-housing/frame_mapping.parquet", | |
| "quality": "annotations/brush-housing/quality.parquet", | |
| "hand_pose_raw": "annotations/brush-housing/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/brush-housing/hand_pose.parquet", | |
| "tracks_raw": "annotations/brush-housing/tracks_raw.parquet", | |
| "tracks": "annotations/brush-housing/tracks.parquet" | |
| }, | |
| "frame_count": 900, | |
| "duration_s": 29.983333, | |
| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.0167, | |
| "modalities": { | |
| "rgb": true, | |
| "audio": false, | |
| "depth": false, | |
| "camera_intrinsics": false, | |
| "camera_pose": false, | |
| "imu": false, | |
| "robot_actions": false | |
| }, | |
| "source_sha256": "ca1a009f6fb10ee7df2b1a7d191f6bda5f72e77aa940510dfef0ed8fadc8ba92", | |
| "source": { | |
| "codec": "hevc", | |
| "width": 1920, | |
| "height": 1080, | |
| "pixel_format": "yuv420p10le", | |
| "color_transfer": "arib-std-b67", | |
| "color_primaries": "bt2020", | |
| "color_space": "bt2020nc", | |
| "rotation_deg": 0, | |
| "audio_present": true, | |
| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6494.MOV", | |
| "source_sha256": "ca1a009f6fb10ee7df2b1a7d191f6bda5f72e77aa940510dfef0ed8fadc8ba92", | |
| "source_frame_semantics": "zero_based_displayed_source_video_frame", | |
| "source_time_base": [ | |
| 1, | |
| 600 | |
| ], | |
| "selection": { | |
| "requested_start_s": 8.0, | |
| "requested_end_s": 38.0, | |
| "first_source_frame": 240, | |
| "last_source_frame": 1139 | |
| }, | |
| "transform": { | |
| "hdr_to_sdr": true, | |
| "tone_mapper": "hable", | |
| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
| "frame_mapping": "one_to_one_source_display_frames; original_PTS_spacing" | |
| } | |
| }, | |
| "video_sha256": "17f3619499912615bdea40b8c10b6b72937c4fa4ddf880630e49bb248235f4f9" | |
| }, | |
| { | |
| "capture_id": "brush-panel-channels", | |
| "instruction": "Hold the detached front panel and brush along its narrow channels.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/brush-panel-channels.mp4", | |
| "preview": "previews/brush-panel-channels.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/brush-panel-channels/frame_mapping.parquet", | |
| "quality": "annotations/brush-panel-channels/quality.parquet", | |
| "hand_pose_raw": "annotations/brush-panel-channels/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/brush-panel-channels/hand_pose.parquet", | |
| "tracks_raw": "annotations/brush-panel-channels/tracks_raw.parquet", | |
| "tracks": "annotations/brush-panel-channels/tracks.parquet" | |
| }, | |
| "frame_count": 900, | |
| "duration_s": 29.985, | |
| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.015, | |
| "modalities": { | |
| "rgb": true, | |
| "audio": false, | |
| "depth": false, | |
| "camera_intrinsics": false, | |
| "camera_pose": false, | |
| "imu": false, | |
| "robot_actions": false | |
| }, | |
| "source_sha256": "ec85fd841efcb0bec77aa857a940a5eee33e551d8f2273fba3fea40c0924fc9b", | |
| "source": { | |
| "codec": "hevc", | |
| "width": 1920, | |
| "height": 1080, | |
| "pixel_format": "yuv420p10le", | |
| "color_transfer": "arib-std-b67", | |
| "color_primaries": "bt2020", | |
| "color_space": "bt2020nc", | |
| "rotation_deg": 0, | |
| "audio_present": true, | |
| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6498.MOV", | |
| "source_sha256": "ec85fd841efcb0bec77aa857a940a5eee33e551d8f2273fba3fea40c0924fc9b", | |
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| "source_time_base": [ | |
| 1, | |
| 600 | |
| ], | |
| "selection": { | |
| "requested_start_s": 22.0, | |
| "requested_end_s": 52.0, | |
| "first_source_frame": 660, | |
| "last_source_frame": 1559 | |
| }, | |
| "transform": { | |
| "hdr_to_sdr": true, | |
| "tone_mapper": "hable", | |
| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
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| } | |
| }, | |
| "video_sha256": "e8bb3d86e53dfd6826d0b34b09d7131f59b1cbd66e0021b948267de85b925ee5" | |
| }, | |
| { | |
| "capture_id": "wipe-panel", | |
| "instruction": "Wipe the detached panel surfaces while stabilizing the panel with the other hand.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/wipe-panel.mp4", | |
| "preview": "previews/wipe-panel.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/wipe-panel/frame_mapping.parquet", | |
| "quality": "annotations/wipe-panel/quality.parquet", | |
| "hand_pose_raw": "annotations/wipe-panel/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/wipe-panel/hand_pose.parquet", | |
| "tracks_raw": "annotations/wipe-panel/tracks_raw.parquet", | |
| "tracks": "annotations/wipe-panel/tracks.parquet" | |
| }, | |
| "frame_count": 900, | |
| "duration_s": 29.983333, | |
| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.0167, | |
| "modalities": { | |
| "rgb": true, | |
| "audio": false, | |
| "depth": false, | |
| "camera_intrinsics": false, | |
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| "robot_actions": false | |
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| "source_sha256": "437c2f662895905136127d7dbfe558b1c1330c07abce6cc18642136aae952222", | |
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| "rotation_deg": 0, | |
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| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6501.MOV", | |
| "source_sha256": "437c2f662895905136127d7dbfe558b1c1330c07abce6cc18642136aae952222", | |
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| 600 | |
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| "requested_end_s": 50.0, | |
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| "last_source_frame": 1499 | |
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| "transform": { | |
| "hdr_to_sdr": true, | |
| "tone_mapper": "hable", | |
| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
| "frame_mapping": "one_to_one_source_display_frames; original_PTS_spacing" | |
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| "video_sha256": "c55fb0f1dbe59f6494abcd40d4cafddcdd0242884c1a08d3c5d2391fd60cb7bf" | |
| }, | |
| { | |
| "capture_id": "wipe-panel-corners", | |
| "instruction": "Wipe the recessed corners and channels of the detached panel with a paper towel.", | |
| "split": "sample", | |
| "session_group": "maintenance-session-001", | |
| "video": "videos/wipe-panel-corners.mp4", | |
| "preview": "previews/wipe-panel-corners.mp4", | |
| "signals": { | |
| "frame_mapping": "annotations/wipe-panel-corners/frame_mapping.parquet", | |
| "quality": "annotations/wipe-panel-corners/quality.parquet", | |
| "hand_pose_raw": "annotations/wipe-panel-corners/hand_pose_raw.parquet", | |
| "hand_pose": "annotations/wipe-panel-corners/hand_pose.parquet", | |
| "tracks_raw": "annotations/wipe-panel-corners/tracks_raw.parquet", | |
| "tracks": "annotations/wipe-panel-corners/tracks.parquet" | |
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| "width": 1920, | |
| "height": 1080, | |
| "nominal_fps": 30.0179, | |
| "modalities": { | |
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| "pixel_format": "yuv420p10le", | |
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| "color_primaries": "bt2020", | |
| "color_space": "bt2020nc", | |
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| "audio_present": true, | |
| "device_model": "iPhone 15 Pro", | |
| "device_software": "26.3.1", | |
| "capture_date": "2026-05-20", | |
| "source_filename": "IMG_6514.MOV", | |
| "source_sha256": "f97c3ed979296c7e7cda6848d1a09d3eafc1817e24440c5e03f8812f06633c1a", | |
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| 1, | |
| 600 | |
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| "first_source_frame": 1260, | |
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| "npl": 100, | |
| "geometry": "display_rotation_applied; no_crop_or_resize", | |
| "encoding": "H264 CRF16 8bit yuv420p", | |
| "audio": "omitted", | |
| "metadata": "source metadata stripped from derivative; selected fields retained here", | |
| "frame_mapping": "one_to_one_source_display_frames; original_PTS_spacing" | |
| } | |
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| "video_sha256": "9746b2da9971161315d373dd2e738083704328a699f3994f24823a504c2f651a" | |
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| ], | |
| "action_segments": "annotations/action_segments.parquet", | |
| "session_count": 1, | |
| "capture_mount": "chest (owner-described)", | |
| "review_method": { | |
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| "method": "RGB storyboard approximately every 2 seconds plus final frame; estimated overlays sampled at start, middle and end", | |
| "boundary_precision_s": 2.0, | |
| "independent_human_validation": false, | |
| "finding": "No visible faces or identifying private text in inspected frames. Full-frame automated face scan returned zero detections. Audio is omitted. This is not an exhaustive manual frame-by-frame privacy audit." | |
| } | |
| } |