Release update 2026-11-05: 5760 sessions, instructions, annotations (part 53)

actions/environment_coupled_wholebody/EC05/session_018/cameras/gsi_online_calibration.json

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actions/environment_coupled_wholebody/EC05/session_018/cameras/slam.npz

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actions/environment_coupled_wholebody/EC05/session_018/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": {
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-   "hand_pose": "flat (zeros, flat_hand_mean=True)",
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+   "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",
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     "left": {
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    "note": "constant wrist rotation (marker-fit gauge freedom) removed; marker predictions unchanged"
   }
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+  "generated_at_utc": "2026-11-03T19:14:32.851248+00:00",
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  "release": {
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   "family": "environment_coupled_wholebody",
   "primitive": "EC05",
   "source_session": "20261022/EC05/20261022_103939_session22"
+ },
+ "task": {
+  "primitive": "EC05",
+  "instruction": "Push the cart through the gap between the poles without touching them, then bring it back through."
  }
 }

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 }

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