Stage ARCTIC shared-v1.1 40203/55417

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/articulation.json

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+{
+  "hierarchy_semantics": "mechanical_articulation",
+  "parts": [
+    {
+      "part_id": "bottom",
+      "parent_id": null,
+      "has_model": true,
+      "mesh_ref": "annotation/object/ketchup/assets/bottom.obj"
+    },
+    {
+      "part_id": "top",
+      "parent_id": "bottom",
+      "has_model": true,
+      "mesh_ref": "annotation/object/ketchup/assets/top.obj"
+    }
+  ],
+  "joints": [
+    {
+      "joint_id": "hinge",
+      "parent_part": "bottom",
+      "child_part": "top",
+      "type": "revolute",
+      "unit": "rad",
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+      "axis_frame": "parent_part",
+      "zero_transform": [
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+      "positive_direction": "right_hand_rule_about_axis",
+      "limits": null
+    }
+  ],
+  "joint_order": [
+    "hinge"
+  ]
+}

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/articulation_valid.pt

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+version https://git-lfs.github.com/spec/v1
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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/assets/material.mtl

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+#
+# Wavefront material file
+# Converted by Meshlab Group
+#
+
+newmtl material_0
+Ka 0.200000 0.200000 0.200000
+Kd 1.000000 1.000000 1.000000
+Ks 1.000000 1.000000 1.000000
+Tr 1.000000
+illum 2
+Ns 0.000000
+map_Kd material.jpg
+

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/assets/mesh_valid.pt

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+size 1195

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/metainfo.json

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+{
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+  "identity_scope": "sequence",
+  "scope_id": "s08_ketchup_use_03",
+  "association_basis": "official_sequence_object_identity_shared_across_cameras",
+  "has_model": true,
+  "mesh_ref": "annotation/object/ketchup/assets/mesh.obj",
+  "articulation_ref": "annotation/object/ketchup/articulation.json",
+  "vertex_part_ids_ref": "annotation/object/ketchup/vertex_part_ids.pt",
+  "topology_id": "sha256:52f7cd7b64024711d57979e54e503153218131553b1dfe491c345cd2bf08fc62",
+  "part_mapping": {
+    "0": "bottom",
+    "1": "top"
+  },
+  "part_id_conversion": {
+    "formula": "shared_id = 1 - raw_parts_json_value",
+    "source_locator": {
+      "archive": "raw/data/meta.zip",
+      "member_prefix": "meta/object_vtemplates/ketchup/",
+      "member": "meta/object_vtemplates/ketchup/parts.json"
+    }
+  },
+  "unit": "m",
+  "source_locator": {
+    "archive": "raw/data/raw_seqs.zip",
+    "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+    "index_ref": "camera/frames.jsonl:source_annotation_index"
+  }
+}

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/object.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/annotation/object/ketchup/vertex_part_ids.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/camera/camera.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/metainfo.json

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+{
+  "schema_version": "hand-warehouse/1.1",
+  "storage_revision": "lossless-video-2026-09-18",
+  "dataset_id": "ARCTIC",
+  "release_id": "shared-v1.1",
+  "sequence_id": "s08_ketchup_use_03",
+  "camera_id": "0",
+  "sample_type": "video",
+  "num_frames": 656,
+  "hand_slots": [
+    "left",
+    "right"
+  ],
+  "sampling": {
+    "type": "dense",
+    "source_fps": 30.0,
+    "frames_ref": "camera/frames.jsonl",
+    "selection": "Every released image of this selected camera in the complete official sequence ZIP; boundary images without annotations retained",
+    "source_fps_basis": "ARCTIC paper v3, Sec. 3.2 Acquisition Setup: 8 static allocentric and 1 moving egocentric RGB views captured at 30 FPS",
+    "source_fps_evidence_url": "https://arxiv.org/html/2204.13662v3#S3.SS2",
+    "source_timestamp_status": "not_released; do not invent measured timestamp_ns"
+  },
+  "camera": {
+    "model": "rational8",
+    "schema_id": "camera/rational8/v1",
+    "image_size": [
+      2800,
+      2000
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+  "split": "train",
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+      "schema_id": "camera/rational8/v1",
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+        "member": "raw_seqs/s08/ketchup_use_03.egocam.dist.npy"
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+      "data_key": [
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+        "data"
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+      "valid_key": [
+        "intrinsic",
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+        "profile": "pt/tensor_bundle/v1"
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+        "profile": "pt/tensor_bundle/v1"
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+        "data"
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+      "distortion_valid_ref": "camera/camera.pt",
+      "distortion_valid_key": [
+        "distortion",
+        "valid"
+      ]
+    },
+    "extrinsic": {
+      "available": true,
+      "schema_id": "transform/se3/v1",
+      "data_ref": "camera/camera.pt",
+      "axes": [
+        "T",
+        "row",
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+      "valid_ref": "camera/camera.pt",
+      "valid_axes": [
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+        "method": "source values retained"
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+      "source_locator": {
+        "archive": "raw/data/raw_seqs.zip",
+        "member": "raw_seqs/s08/ketchup_use_03.egocam.dist.npy"
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+      "unit": "m",
+      "convention": "T_camera_from_world",
+      "data_key": [
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+        "data"
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+      "valid_key": [
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+        "profile": "pt/tensor_bundle/v1"
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+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
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+    "mano": {
+      "available": true,
+      "schema_id": "mano/axis_angle61/v1",
+      "data_ref": "annotation/mano/mano.pt",
+      "axes": [
+        "T",
+        "hand",
+        "parameter"
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+      "valid_ref": "annotation/mano/mano.pt",
+      "valid_axes": [
+        "T",
+        "hand"
+      ],
+      "provenance": {
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+        "method": "Official nonflat mean expanded; shape-dependent root corrected during world-to-camera conversion; image index minus official ioi_offset"
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+      "source_locator": {
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+        "member": "raw_seqs/s08/ketchup_use_03.mano.npy",
+        "index_ref": "camera/frames.jsonl:source_annotation_index"
+      },
+      "unit": "m",
+      "angle_unit": "rad",
+      "coordinate_frame": "camera",
+      "model_profile": {
+        "version": "MANO-v1.2",
+        "flat_hand_mean": true,
+        "left_shapedirs_fix": false
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+      "data_key": [
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+        "data"
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+      "valid_key": [
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+        "valid"
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+      "storage": {
+        "profile": "pt/tensor_bundle/v1"
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+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
+      }
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+    "object_ketchup_root_pose": {
+      "available": true,
+      "schema_id": "object/rigid/v1",
+      "data_ref": "annotation/object/ketchup/object.pt",
+      "axes": [
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+      "valid_ref": "annotation/object/ketchup/object.pt",
+      "valid_axes": [
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+      "provenance": {
+        "kind": "format_conversion",
+        "method": "source values retained"
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+      "source_locator": {
+        "archive": "raw/data/raw_seqs.zip",
+        "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+        "index_ref": "camera/frames.jsonl:source_annotation_index"
+      },
+      "unit": "m",
+      "convention": "T_camera_from_object",
+      "data_key": [
+        "pose",
+        "data"
+      ],
+      "valid_key": [
+        "pose",
+        "valid"
+      ],
+      "storage": {
+        "profile": "pt/tensor_bundle/v1"
+      },
+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
+      }
+    },
+    "object_ketchup_bottom_pose": {
+      "available": true,
+      "schema_id": "object/rigid/v1",
+      "data_ref": "annotation/object/ketchup/object.pt",
+      "axes": [
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+        "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+        "index_ref": "camera/frames.jsonl:source_annotation_index"
+      },
+      "unit": "m",
+      "convention": "T_camera_from_part",
+      "data_key": [
+        "parts",
+        "bottom",
+        "pose",
+        "data"
+      ],
+      "valid_key": [
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+      "storage": {
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+      "valid_storage": {
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+    "object_ketchup_top_pose": {
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+      "schema_id": "object/rigid/v1",
+      "data_ref": "annotation/object/ketchup/object.pt",
+      "axes": [
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+      "convention": "T_camera_from_part",
+      "data_key": [
+        "parts",
+        "top",
+        "pose",
+        "data"
+      ],
+      "valid_key": [
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+        "top",
+        "pose",
+        "valid"
+      ],
+      "storage": {
+        "profile": "pt/tensor_bundle/v1"
+      },
+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
+      }
+    },
+    "object_ketchup_joint": {
+      "available": true,
+      "schema_id": "object/joint_state/v1",
+      "data_ref": "annotation/object/ketchup/object.pt",
+      "axes": [
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+      "valid_ref": "annotation/object/ketchup/object.pt",
+      "valid_axes": [
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+        "kind": "format_conversion",
+        "method": "source values retained"
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+        "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+        "index_ref": "camera/frames.jsonl:source_annotation_index"
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+      ],
+      "unit": "rad",
+      "data_key": [
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+        "data"
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+      "valid_key": [
+        "joint_state",
+        "valid"
+      ],
+      "storage": {
+        "profile": "pt/tensor_bundle/v1"
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+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
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+      "available": true,
+      "schema_id": "object/articulated/v1",
+      "data_ref": "annotation/object/ketchup/articulation.json",
+      "axes": [],
+      "valid_ref": "annotation/object/ketchup/articulation_valid.pt",
+      "valid_axes": [],
+      "provenance": {
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+        "method": "source values retained"
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+      "source_locator": {
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+        "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+        "index_ref": "camera/frames.jsonl:source_annotation_index"
+      },
+      "static": true
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+    "object_ketchup_mesh": {
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+      "schema_id": "mesh/obj/v1",
+      "data_ref": "annotation/object/ketchup/assets/mesh.obj",
+      "axes": [
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+        "coordinate"
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+        "method": "Object vertices in metres; topology, material and texture dependencies retained"
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+        "member_prefix": "meta/object_vtemplates/ketchup/"
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+      "unit": "m",
+      "coordinate_frame": "object"
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+      "data_ref": "annotation/object/ketchup/object.pt",
+      "axes": [
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+      "valid_axes": [
+        "T",
+        "joint"
+      ],
+      "provenance": {
+        "kind": "derived",
+        "method": "Official template keypoints driven by released articulation and camera transforms"
+      },
+      "source_locator": {
+        "archive": "raw/data/meta.zip",
+        "member_prefix": "meta/object_vtemplates/ketchup/"
+      },
+      "unit": "m",
+      "coordinate_frame": "camera",
+      "keypoint_schema": "arctic_object_keypoints/v1",
+      "keypoint_names": [
+        "top_0",
+        "top_1",
+        "top_2",
+        "top_3",
+        "top_4",
+        "top_5",
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+        "bottom_10",
+        "bottom_11",
+        "bottom_12",
+        "bottom_13",
+        "bottom_14",
+        "bottom_15"
+      ],
+      "data_key": [
+        "keypoints",
+        "xyz",
+        "data"
+      ],
+      "valid_key": [
+        "keypoints",
+        "xyz",
+        "valid"
+      ],
+      "storage": {
+        "profile": "pt/tensor_bundle/v1"
+      },
+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
+      }
+    },
+    "rgb": {
+      "available": true,
+      "schema_id": "rgb/uint8/v1",
+      "data_ref": "observation/rgb.mkv",
+      "axes": [
+        "T",
+        "height",
+        "width",
+        "channel"
+      ],
+      "valid_ref": "observation/rgb_valid.pt",
+      "valid_axes": [
+        "T"
+      ],
+      "provenance": {
+        "kind": "format_conversion",
+        "method": "Original JPEG packets copied into MKV; every payload/order/dimension checked; declared deterministic RGB sample checked"
+      },
+      "source_locator": {
+        "archive": "raw/data/images_zips/s08/ketchup_use_03.zip",
+        "member_pattern": "{camera_id}/{source_frame_id:05d}.jpg",
+        "camera_id": "0"
+      },
+      "storage": {
+        "profile": "mkv/mjpeg_copy/v1",
+        "codec": "mjpeg",
+        "pixel_format": "yuvj420p",
+        "encoded_size": [
+          2800,
+          2000
+        ],
+        "source_lossy": true,
+        "decoder": {
+          "name": "ffmpeg",
+          "version": "ffmpeg version 7.1-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers",
+          "output_pixel_format": "rgb24",
+          "autorotate": false,
+          "source_color_declaration": "unknown",
+          "actual_stream_description": "Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 2800x2000 [SAR 1:1 DAR 7:5], 1 fps, 1 tbr, 1k tbn"
+        },
+        "encoder_parameters": {
+          "mode": "stream_copy",
+          "version": "ffmpeg version 7.1-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers"
+        }
+      },
+      "storage_fps": 1,
+      "timebase_role": "index_only"
+    }
+  },
+  "pilot": false,
+  "split_scheme": "ARCTIC_protocol_p1",
+  "split_source_locator": {
+    "archive": "raw/data/splits_json.zip",
+    "member": "splits_json/protocol_p1.json",
+    "sequence": "s08/ketchup_use_03"
+  },
+  "view_type": "ego",
+  "omitted_components": {
+    "depth": "No depth images in this official raw release",
+    "segment": "No pixel segmentation in this official raw release",
+    "contact": "No source contact labels in selected official raw packages",
+    "keypoints": "No separate measured hand keypoints in raw; MANO available. Render-only joints are not published as additional labels",
+    "visibility": "Not supplied in selected raw annotations; fitting_err is outside current shared scope"
+  },
+  "media_validation_policy": "jpeg-packets-all-rgb-sample16/v1",
+  "pilot_complete": true,
+  "production_complete": true,
+  "pilot_human_review": "approved",
+  "full_output_human_review": "pending",
+  "upload_authorized": false
+}

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/observation/rgb.mkv

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/0/observation/rgb_valid.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/1/annotation/mano/mano.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/1/annotation/object/ketchup/articulation.json

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+{
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+      "has_model": true,
+      "mesh_ref": "annotation/object/ketchup/assets/bottom.obj"
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+Ks 1.000000 1.000000 1.000000
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+Ns 0.000000
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+

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+      "valid_storage": {
+        "profile": "pt/tensor_bundle/v1"
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+    },
+    "rgb": {
+      "available": true,
+      "schema_id": "rgb/uint8/v1",
+      "data_ref": "observation/rgb.mkv",
+      "axes": [
+        "T",
+        "height",
+        "width",
+        "channel"
+      ],
+      "valid_ref": "observation/rgb_valid.pt",
+      "valid_axes": [
+        "T"
+      ],
+      "provenance": {
+        "kind": "format_conversion",
+        "method": "Original JPEG packets copied into MKV; every payload/order/dimension checked; declared deterministic RGB sample checked"
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+        "archive": "raw/data/images_zips/s08/ketchup_use_03.zip",
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+        "camera_id": "1"
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+        "codec": "mjpeg",
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+          2800
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+        "source_lossy": true,
+        "decoder": {
+          "name": "ffmpeg",
+          "version": "ffmpeg version 7.1-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers",
+          "output_pixel_format": "rgb24",
+          "autorotate": false,
+          "source_color_declaration": "unknown",
+          "actual_stream_description": "Stream #0:0: Video: mjpeg (Baseline), yuvj420p(pc, bt470bg/unknown/unknown), 2000x2800 [SAR 1:1 DAR 5:7], 1 fps, 1 tbr, 1k tbn"
+        },
+        "encoder_parameters": {
+          "mode": "stream_copy",
+          "version": "ffmpeg version 7.1-essentials_build-www.gyan.dev Copyright (c) 2000-2024 the FFmpeg developers"
+        }
+      },
+      "storage_fps": 1,
+      "timebase_role": "index_only"
+    }
+  },
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+  "split_scheme": "ARCTIC_protocol_p1",
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+    "member": "splits_json/protocol_p1.json",
+    "sequence": "s08/ketchup_use_03"
+  },
+  "view_type": "exo",
+  "omitted_components": {
+    "depth": "No depth images in this official raw release",
+    "segment": "No pixel segmentation in this official raw release",
+    "contact": "No source contact labels in selected official raw packages",
+    "keypoints": "No separate measured hand keypoints in raw; MANO available. Render-only joints are not published as additional labels",
+    "visibility": "Not supplied in selected raw annotations; fitting_err is outside current shared scope"
+  },
+  "media_validation_policy": "jpeg-packets-all-rgb-sample16/v1",
+  "pilot_complete": true,
+  "production_complete": true,
+  "pilot_human_review": "approved",
+  "full_output_human_review": "pending",
+  "upload_authorized": false
+}

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+        [
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+          0.0,
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+      ],
+      "positive_direction": "right_hand_rule_about_axis",
+      "limits": null
+    }
+  ],
+  "joint_order": [
+    "hinge"
+  ]
+}

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/articulation_valid.pt

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+version https://git-lfs.github.com/spec/v1
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+size 1235

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/assets/material.mtl

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+#
+# Wavefront material file
+# Converted by Meshlab Group
+#
+
+newmtl material_0
+Ka 0.200000 0.200000 0.200000
+Kd 1.000000 1.000000 1.000000
+Ks 1.000000 1.000000 1.000000
+Tr 1.000000
+illum 2
+Ns 0.000000
+map_Kd material.jpg
+

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/assets/mesh_valid.pt

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+version https://git-lfs.github.com/spec/v1
+oid sha256:35f611af13d105522ccc8dafddd3d414b04b802020231a6b825716c3fbdfa779
+size 1195

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/metainfo.json

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+{
+  "object_id": "ketchup",
+  "identity_scope": "sequence",
+  "scope_id": "s08_ketchup_use_03",
+  "association_basis": "official_sequence_object_identity_shared_across_cameras",
+  "has_model": true,
+  "mesh_ref": "annotation/object/ketchup/assets/mesh.obj",
+  "articulation_ref": "annotation/object/ketchup/articulation.json",
+  "vertex_part_ids_ref": "annotation/object/ketchup/vertex_part_ids.pt",
+  "topology_id": "sha256:52f7cd7b64024711d57979e54e503153218131553b1dfe491c345cd2bf08fc62",
+  "part_mapping": {
+    "0": "bottom",
+    "1": "top"
+  },
+  "part_id_conversion": {
+    "formula": "shared_id = 1 - raw_parts_json_value",
+    "source_locator": {
+      "archive": "raw/data/meta.zip",
+      "member_prefix": "meta/object_vtemplates/ketchup/",
+      "member": "meta/object_vtemplates/ketchup/parts.json"
+    }
+  },
+  "unit": "m",
+  "source_locator": {
+    "archive": "raw/data/raw_seqs.zip",
+    "member": "raw_seqs/s08/ketchup_use_03.object.npy",
+    "index_ref": "camera/frames.jsonl:source_annotation_index"
+  }
+}

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/object.pt

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ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/annotation/object/ketchup/vertex_part_ids.pt

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+version https://git-lfs.github.com/spec/v1
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+size 33156

ARCTIC/shared-v1.1/data/s08_ketchup_use_03/2/camera/camera.pt

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+version https://git-lfs.github.com/spec/v1
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