Release update 2026-11-05: new sessions, instructions, annotations (part 55)

.gitattributes

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actions/locomotion_primitives/P23/session_028/cameras/gsi_online_calibration.json

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   "family": "locomotion_primitives",
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  }
 }

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+ ]
+}

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 }

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     "left": {
@@ -506,10 +506,124 @@
    "note": "constant wrist rotation (marker-fit gauge freedom) removed; marker predictions unchanged"
   }
  },
+ "hands_registration": {
+  "cameras": {},
+  "hands": {
+   "left": {
+    "offset_deg": 23.74,
+    "offset_rotvec": [
+     -0.0128,
+     -0.2931,
+     0.2925
+    ],
+    "dev_deg": {
+     "median": 9.54,
+     "p90": 20.19
+    },
+    "samples": 3117,
+    "accepted": 2993,
+    "wrist_pos_err_mm_median": 40.1,
+    "per_camera": {
+     "head": {
+      "samples": 3117,
+      "accepted": 2993,
+      "gate_deg": 30.0,
+      "offset_deg": 23.74,
+      "tier": "primary",
+      "dev_deg_median": 9.54,
+      "wrist_pos_err_mm_median": 40.1
+     }
+    },
+    "frames_by_state": {
+     "ace_sample": 12221,
+     "interpolated": 3442,
+     "mean_hand": 413,
+     "no_body_fit": 8
+    },
+    "observed_fraction": 0.9738,
+    "observed_fraction_of_valid": 0.9743,
+    "palm_axis_vs_markers_deg": {
+     "gsi": 19.76,
+     "smplx": 0.91
+    },
+    "hand_marker_to_mesh_mm": {
+     "flat": {
+      "median": 8.5,
+      "p90": 11.0
+     },
+     "registered": {
+      "median": 7.6,
+      "p90": 8.4
+     }
+    }
+   },
+   "right": {
+    "offset_deg": 18.86,
+    "offset_rotvec": [
+     0.2294,
+     0.2352,
+     0.0201
+    ],
+    "dev_deg": {
+     "median": 16.68,
+     "p90": 35.11
+    },
+    "samples": 2517,
+    "accepted": 2133,
+    "wrist_pos_err_mm_median": 66.7,
+    "per_camera": {
+     "head": {
+      "samples": 2517,
+      "accepted": 2133,
+      "gate_deg": 30.0,
+      "offset_deg": 18.86,
+      "tier": "primary",
+      "dev_deg_median": 16.68,
+      "wrist_pos_err_mm_median": 66.7
+     }
+    },
+    "frames_by_state": {
+     "ace_sample": 8936,
+     "interpolated": 6308,
+     "mean_hand": 832,
+     "no_body_fit": 8
+    },
+    "observed_fraction": 0.9478,
+    "observed_fraction_of_valid": 0.9482,
+    "palm_axis_vs_markers_deg": {
+     "gsi": 23.0,
+     "smplx": 0.43
+    },
+    "hand_marker_to_mesh_mm": {
+     "flat": {
+      "median": 7.0,
+      "p90": 9.4
+     },
+     "registered": {
+      "median": 6.9,
+      "p90": 8.9
+     }
+    }
+   }
+  },
+  "max_dev_deg": 30.0,
+  "max_gap_s": 1.0,
+  "cameras_used": [
+   "head"
+  ],
+  "generated_at_utc": "2026-11-03T22:07:26.307853+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/locomotion_primitives/P23/session_036",
   "family": "locomotion_primitives",
   "primitive": "P23",
   "source_session": "20261013/P23/20261013_090455_session154"
+ },
+ "task": {
+  "primitive": "P23",
+  "instruction": "Walk continuously around room; naturally change direction/speed; no manipulation."
  }
 }