Release update 2026-11-05: new sessions, instructions, annotations (part 109)

.gitattributes

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+actions/locomanipulation/LM18/session_053/raw/sensors/robowrist_mag_right.db filter=lfs diff=lfs merge=lfs -text

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+ "session_id": "20261028_113454_session126",
+ "primitive": "LM18",
+ "batch": "20261028",
+ "participant": "xiaobo",
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+  "file": "derived/rig_tracker_provider/rig_tracker.json",
+  "compose": "T_world_cam(t) = T_world_tracker0(t) @ T_tracker0_cam"
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+   "gyro_deg": 1.663
+  },
+  "camera_pose_source": "T_tracker0_imu0 @ inv(T_cam_imu)",
+  "files": [
+   "mocap_zup.npz",
+   "tracker0_zup.npz",
+   "rig_zup.npz",
+   "cameras_zup.npz"
+  ]
+ },
+ "smplx": {
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+  "generated_by": "scripts/fit_smplx_dataset.py",
+  "file": "smplx.npz",
+  "gender": "male",
+  "n_betas": 16,
+  "betas_source": "participant median (derived/smplx/participants.json)",
+  "frame": "canonical (meta.canonical): Z-up metres; fitted in Nokov frame, global_orient/transl rotated, *_nokov kept",
+  "pelvis": "transl + rest_joints(betas)[0] (transl is NOT the pelvis)",
+  "hands": {
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+   "hand_pose": "flat (zeros, flat_hand_mean=True)",
+   "wrist_anchor": "T_world_wrist (F,2,4,4) canonical; hand-marker offsets in wrist frame below",
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+      "LForearm",
+      "LWristIn"
+     ]
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+    "wrist_bend_deg_median": 75.3,
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+    "in_out_convention": "pinky side = HandOut (default IN_OUT_SIGN, no ACE output)",
+    "marker_frame_spread_deg": 1.13,
+    "hand_vs_marker_frame_deg": {
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+    "markers_on_wrist": [
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+     "markers_on_forearm": [
+      "RForearm",
+      "RWristIn",
+      "RWristOut"
+     ]
+    },
+    "frames_used": 1500
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+   "generated_at_utc": "2026-11-02T15:38:38.930983+00:00",
+   "note": "constant wrist rotation (marker-fit gauge freedom) removed; marker predictions unchanged"
+  }
+ },
+ "release": {
+  "release_path": "actions/locomanipulation/LM18/session_053",
+  "family": "locomanipulation",
+  "primitive": "LM18",
+  "source_session": "20261028/LM18/20261028_113454_session126"
+ },
+ "task": {
+  "primitive": "LM18",
+  "instruction": "Hold the object against your hip on the side the operator calls, and carry it back and forth across the room."
+ }
+}

actions/locomanipulation/LM18/session_053/motions/head_rig.npz

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+ "source": "vendor annotation.json (schema 2, revision 1)",
+ "time_reference": "start_s / end_s: seconds from the start of the segment video, [start, end); t_start / t_end: the same bounds on the session time base (meta.json time_base, t = 0 at the first solved Body0 frame) = start_s + video_t_start",
+ "primitive": "LM19",
+ "instruction": "Carry one object in each hand, the heavy one in the hand the operator calls, walking back and forth across the room.",
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+   "instruction": "Carry one object in each hand, the heavy one in the hand the operator calls, walking back and forth across the room."
+  }
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+}

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   "hands": {
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-   "hand_pose": "flat (zeros, flat_hand_mean=True)",
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    "wrist_anchor": "T_world_wrist (F,2,4,4) canonical; hand-marker offsets in wrist frame below",
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+ },
  "release": {
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   "family": "locomanipulation",
   "primitive": "LM19",
   "source_session": "20260909/LM19/20260909_100322_session161"
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+  "instruction": "Carry one object in each hand, the heavy one in the hand the operator calls, walking back and forth across the room."
  }
 }

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