{
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  "video_source": {
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    "end_seconds": 809.81,
    "url": "https://youtube.com/watch?v=--oo8_XIuOM&t=799",
    "embed_blocked": false
  },
  "action100m_metadata": {
    "action_brief": "Insert stopper into cylinder",
    "action_detailed": "Kneeling on the concrete, press the rubber stopper into the open top of the metal cylinder until it clicks into place.",
    "actor": "Man in a blue plaid shirt and blue jeans",
    "summary": "The man, wearing a blue plaid shirt and blue jeans, kneels on a leaf\u2011covered concrete platform outdoors; he first lifts a red coil spring and examines a black cylinder, then picks up a small red rubber stopper with a white centre, aligns it with the open end of the metal cylinder, and pushes it in until it clicks securely into place.",
    "video_title": "How To Lower and Install Struts On A 2001-2005 Honda Civic",
    "video_duration": 1048.0,
    "segment_id": 3269666,
    "level": 8,
    "favorited_at": "2026-05-09T19:05:44",
    "source_dataset": "Action100M",
    "license": "fair-noncommercial-research-license-v1"
  },
  "camera": {
    "focal": 771.9547512233257,
    "cx": 426.5,
    "cy": 240.0,
    "width": 853,
    "height": 480,
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  "reconstruction": {
    "hand_joints": "hand_joints.bin",
    "hand_joints_2d": "hand_joints_2d.bin",
    "hand_verts": "hand_verts.bin",
    "hand_faces": "hand_faces.bin",
    "hand_meta": "hand_meta.json",
    "objects": [
      {
        "id": 0,
        "prompt": "metal cylinder",
        "color_hex": "#d97757",
        "ply": "objects/obj_0.ply",
        "n_points": 27516,
        "scale_correction": 0.30132216215133667,
        "tracker_ok": true,
        "canonical_translation": [
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        "canonical_rotation_quat": [
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    ],
    "object_pose_traj": "object_pose.bin",
    "object_pose_shape": [
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      1,
      4,
      4
    ],
    "object_obb": "object_obb.bin",
    "object_obb_shape": [
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      8,
      3
    ],
    "depth_video": "depth.mp4",
    "flow_video": "flow.mp4",
    "mask_video": "mask.mp4",
    "signals": "signals.json",
    "thumb": "thumb.jpg",
    "raw": {
      "depth_npz": "depth.npz",
      "depth_unit": "millimeter",
      "depth_dtype": "uint16",
      "depth_shape": [
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        480,
        853
      ],
      "masks_npz": "masks.npz",
      "masks_meta": {
        "shape": [
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        ],
        "oids": [
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        ],
        "decode": "np.unpackbits(arr[oid_K][t])[: H*W].reshape(H, W).astype(bool)"
      },
      "bg_template": "bg_template.png",
      "pose_track": "pose_track.json"
    }
  },
  "stats": {
    "n_frames": 155,
    "n_objects": 1,
    "has_grasp": false,
    "mean_trust": null,
    "mean_iou": null,
    "sam3_quality": 0.6950873829649635
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  "tracking_summary": {
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      "anchor_fitness": null,
      "median_chamfer_mm": null,
      "mean_iou": null,
      "grasp_rate": 0.0,
      "trust_rate": 0.012903225806451613,
      "tracking_status": "ok",
      "state_counts": {
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        "grasped_l": 57,
        "grasped_r": 0,
        "grasped_both": 55,
        "moving": 2
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      "state_fractions": {
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      "is_static_global": false,
      "n_state_frames": 155
    }
  },
  "_license": "This sample is a derivative work of Action100M and is distributed under FAIR Noncommercial Research License v1. See LICENSE-Action100M for terms."
}