Release update 2026-11-05: new sessions, instructions, annotations (part 282)

actions/locomanipulation/LM31/session_020/motions/hands_mano.npz

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actions/locomanipulation/LM31/session_021/annotations.json

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+{
+ "schema_version": 1,
+ "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": "LM31",
+ "instruction": "Carry the box over the low sill without stopping, then bring it back over. Keep going until the operator says stop; one object at a time, and do not rush between trips.",
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+   "instruction": "Carry the box over the low sill without stopping, then bring it back over. Keep going until the operator says stop; one object at a time, and do not rush between trips."
+  }
+ ]
+}

actions/locomanipulation/LM31/session_021/cameras/gsi_online_calibration.json

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actions/locomanipulation/LM31/session_021/cameras/slam.npz

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actions/locomanipulation/LM31/session_021/meta.json

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   "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": {
-   "observed": false,
-   "hand_pose": "flat (zeros, flat_hand_mean=True)",
+   "observed": true,
+   "hand_pose": "GSI (scripts/gsi_hand_session.py) fingers registered (scripts/register_hands_smplx.py); flat where hand_observed is False",
    "wrist_anchor": "T_world_wrist (F,2,4,4) canonical; hand-marker offsets in wrist frame below",
    "hand_marker_offsets_m": {
     "left": {
@@ -510,19 +510,127 @@
    "note": "constant wrist rotation (marker-fit gauge freedom) removed; marker predictions unchanged"
   }
  },
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+    "samples": 3067,
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+    "wrist_pos_err_mm_median": 56.4,
+    "per_camera": {
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+      "gate_deg": 30.0,
+      "offset_deg": 12.87,
+      "tier": "primary",
+      "dev_deg_median": 5.33,
+      "wrist_pos_err_mm_median": 56.4
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+     "interpolated": 680,
+     "mean_hand": 148,
+     "no_body_fit": 0
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+    "observed_fraction_of_valid": 0.9887,
+    "palm_axis_vs_markers_deg": {
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+     "smplx": 0.5
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+    "hand_marker_to_mesh_mm": {
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+    "hand_marker_to_mesh_mm": {
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+     },
+     "registered": {
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+  },
+  "max_dev_deg": 30.0,
+  "max_gap_s": 1.0,
+  "cameras_used": [
+   "head"
+  ],
+  "generated_at_utc": "2026-11-03T20:11:44.231746+00:00",
+  "generated_by": "scripts/register_hands_smplx.py",
+  "conventions": "left hand native left MANO (no mirroring); hand_pose = axis_angle(GSI hand_pose), already absolute (flat_hand_mean=True); SMPL-X wrist kept, tracker wrist only for checks",
+  "wrist_flip_suspect": []
+ },
  "release": {
   "release_path": "actions/locomanipulation/LM31/session_021",
   "family": "locomanipulation",
   "primitive": "LM31",
   "source_session": "20261021/LM31/20261021_015556_session24"
  },
+ "task": {
+  "primitive": "LM31",
+  "instruction": "Carry the box over the low sill without stopping, then bring it back over. Keep going until the operator says stop; one object at a time, and do not rush between trips."
+ },
  "objects": [
-  {
-   "name": "BigBox2",
-   "object_type": "BigBox",
-   "source": "mocap",
-   "pose_frame": "rigid_body"
-  },
   {
    "name": "LowStep",
    "object_type": "LowStep",

actions/locomanipulation/LM31/session_021/motions/hands_mano.npz

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