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          "kind": "bundled",
          "file": "annotation/mano/mano.pt",
          "data_key": [
            "motion",
            "data"
          ],
          "valid_key": [
            "motion",
            "valid"
          ],
          "shape": [
            181,
            2,
            61
          ],
          "dtype": "torch.float32",
          "valid_true": 10,
          "valid_total": 362,
          "nan_count": 0,
          "valid_true_per_series": [
            5,
            5
          ]
        },
        "rgb": {
          "kind": "preserved_media",
          "file": "observation/rgb.mkv",
          "valid_file": "observation/rgb_valid.pt",
          "shape": null,
          "dtype": null,
          "valid_shape": [
            181
          ],
          "valid_dtype": "torch.bool",
          "valid_true": 181,
          "valid_total": 181,
          "nan_count": null,
          "valid_true_per_series": [
            181
          ]
        },
        "segment": {
          "kind": "preserved_media",
          "file": "annotation/segment/mask.mkv",
          "valid_file": "annotation/segment/mask_valid.pt",
          "shape": null,
          "dtype": null,
          "valid_shape": [
            181
          ],
          "valid_dtype": "torch.bool",
          "valid_true": 181,
          "valid_total": 181,
          "nan_count": null,
          "valid_true_per_series": [
            181
          ]
        }
      },
      "bundle_files": [
        "annotation/mano/mano.pt",
        "camera/camera.pt"
      ],
      "media": [
        {
          "component": "rgb",
          "ref": "observation/rgb.mkv",
          "state": "present",
          "bytes": 218818262,
          "valid_ref": "observation/rgb_valid.pt",
          "frames": 181,
          "width": 1024,
          "height": 1024,
          "codec": "ffv1",
          "pix_fmt": "bgr0"
        },
        {
          "component": "segment",
          "ref": "annotation/segment/mask.mkv",
          "state": "present",
          "bytes": 733685,
          "valid_ref": "annotation/segment/mask_valid.pt",
          "frames": 181,
          "width": 1024,
          "height": 1024,
          "codec": "ffv1",
          "pix_fmt": "gray16le"
        }
      ],
      "mano_on_mask": {
        "frames_scanned": 181,
        "frames_the_mask_is_empty_on": 127,
        "valid_frames_excluded_because_the_mask_is_empty": 127,
        "observed_value_range": {
          "min": 0,
          "max": 255
        },
        "frames_used_for_coverage": 5,
        "in_frame_vertices_median_on_foreground": 0.980132,
        "in_frame_vertices_min_on_foreground": 0.976351,
        "least_covered_frame": 2,
        "per_hand": {
          "left": {
            "frames_used": 5,
            "joints_projected": 80,
            "joints_in_frame": 0,
            "joints_on_foreground": 0,
            "vertices_in_frame": 0,
            "vertices_on_foreground": 0,
            "frames_with_joints_in_frame": 0
          },
          "right": {
            "frames_used": 5,
            "joints_projected": 80,
            "joints_in_frame": 27,
            "joints_on_foreground": 27,
            "vertices_in_frame": 1588,
            "vertices_on_foreground": 1568,
            "frames_with_joints_in_frame": 5
          }
        },
        "note": "the mask is a left+right union with no per-hand identity, so the per-hand counts describe the geometry each hand contributes, not a per-hand agreement; frames the release marks invalid, and frames whose mask is entirely zero, are excluded from the ratios and counted separately",
        "declared_value_range": [
          0,
          255
        ],
        "declared_normalization_scale": 0.00392156862745098,
        "foreground_category": "hand",
        "identity_semantics": "left and right union; no per-hand identity"
      },
      "consumed_files": [
        "annotation/mano/mano.pt",
        "annotation/segment/mask.mkv",
        "annotation/segment/mask_valid.pt",
        "camera/camera.pt",
        "observation/rgb.mkv",
        "observation/rgb_valid.pt"
      ],
      "declared_media_schema_gaps_counted_here": {
        "rgb/uint8/v1/required.storage.encoded_size": 1,
        "rgb/uint8/v1/required.storage.decoder": 1,
        "rgb/uint8/v1/required.storage.encoder_parameters": 1,
        "rgb/uint8/v1/storage.profile.unregistered:mkv/ffv1_rgb24/v1": 1,
        "rgb/uint8/v1/storage.profile.not_allowed:mkv/ffv1_rgb24/v1": 1,
        "segment/foreground_intensity/v1/required.segmentation_type": 1,
        "segment/foreground_intensity/v1/required.coverage": 1,
        "segment/foreground_intensity/v1/required.entity_id": 1,
        "segment/foreground_intensity/v1/storage": 1
      },
      "selected_frames": [
        0,
        2,
        3,
        45,
        90,
        180
      ],
      "decode_scope": "ffmpeg demux over the preserved MKV; the sampled RGB frames are decoded with select=, and the mask is streamed once from end to end for the whole-view scan.  Every frame's byte count is checked",
      "projection": {
        "model": "opencv_fisheye4",
        "scope": "bundled MANO parameters expanded to a camera-frame mesh and projected through the view's own declared camera model (pinhole for exo, opencv_fisheye4 for ego, both asserted by check_view before this runs), then compared with the preserved mask's foreground.  The mask has no per-hand identity, so this measures coverage of both hands together, not a per-hand match"
      },
      "scope": "v1.1 registry, keys, shapes, validity and timeline, plus the projection of the bundled MANO parameters onto the preserved mask; not a media pixel comparison of the released values themselves",
      "rendered": true,
      "mano_runtime": {
        "runtime": "/data1/yanghonglei/Datasets/hand-warehouse/ReInterHand/tmp/runtime-v1.0",
        "models": {
          "left": "MANO_LEFT.pkl",
          "right": "MANO_RIGHT.pkl"
        },
        "model_bytes": {
          "left": 3821391,
          "right": 3821356
        },
        "smplx": "0.1.28",
        "smplx_module": "/data1/yanghonglei/Datasets/hand-warehouse/ReInterHand/tmp/runtime-v1.0/site/smplx/__init__.py",
        "numpy_version": "1.26.4",
        "torch_version": "2.13.0+cu130",
        "use_pca": false,
        "flat_hand_mean": true,
        "left_shapedirs_first_column_negated": true,
        "vertices": 778,
        "faces": 1538,
        "note": "the model weights are not part of the shared release (CONTRACT 5.2); they are read from this runtime directory only"
      },
      "hands_not_drawn": [
        {
          "frame_index": 3,
          "side": "left",
          "why": "valid=false in the release"
        },
        {
          "frame_index": 3,
          "side": "right",
          "why": "valid=false in the release"
        },
        {
          "frame_index": 45,
          "side": "left",
          "why": "valid=false in the release"
        },
        {
          "frame_index": 45,
          "side": "right",
          "why": "valid=false in the release"
        },
        {
          "frame_index": 90,
          "side": "left",
          "why": "valid=false in the release"
        },
        {
          "frame_index": 90,
          "side": "right",
          "why": "valid=false in the release"
        }
      ],
      "hands_geometry_entirely_off_frame": {
        "left": 3
      },
      "frames_with_a_mask_value_above_the_declared_range": []
    }
  ],
  "scope": "post-full sampled views, read directly from v1.1 bundles and decoded from the preserved media; evidence for human acceptance, not training input; manual review pending"
}