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@@ -4020,3 +4020,21 @@ actions/locomanipulation/LM04/session_001/raw/sensors/robowrist_imu_left.db filt
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actions/locomanipulation/LM04/session_002/meta.json

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+{
+ "schema_version": 1,
+ "session": "EgoMotionActions/20260928/LM04/20260928_055105_session9",
+ "session_id": "20260928_055105_session9",
+ "primitive": "LM04",
+ "batch": "20260928",
+ "participant": "liujiaxin",
+ "participant_source": "manifest",
+ "device_ids": {
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+  "left": "cc5681142208e29a",
+  "right": "60a6f081bbe60b0d"
+ },
+ "generated_at_utc": "2026-10-14T11:28:22.498986+00:00",
+ "generated_by": "scripts/sync_dataset.py",
+ "time_base": {
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+  "duration_s": 119.025,
+  "mocap_time": "frame_index / rate (Nokov Timestamp column is not a clock; kept as source_timestamp_ms)"
+ },
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+  "model": "offset (median of windows)",
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+   "lag_range_ms": 1.8242749177106443
+  }
+ },
+ "units": {
+  "mocap": "millimetres, Nokov world, Y-up (unchanged)",
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+  "acc": "m/s^2 (8192 LSB/g)",
+  "gyro": "rad/s (65.536 LSB/dps)",
+  "mag": "raw counts, scale unconfirmed (data suggests 163.84 LSB/uT, see knowledge_base sanity doc)",
+  "quaternions": "xyzw, Nokov global"
+ },
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+  "date": "2026-09-08"
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+    "pts_gaps": 0,
+    "timing": "pts",
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+    "clock": "device",
+    "calibrated": false
+   },
+   "third_person": {
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+    "frames": 3571,
+    "fps": 30.0,
+    "clock": "nokov (frame index)",
+    "t_start": 0.0,
+    "t_end": 119.0
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+  }
+ },
+ "flags": [],
+ "sanity": {
+  "status": {
+   "structure": "PASS",
+   "markers": "WARN",
+   "timing": "PASS"
+  },
+  "verdict": "READY",
+  "issues": [
+   "WARN M_SPIKES",
+   "WARN M_TRACKER_LABELS"
+  ]
+ },
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+  "camera_pose_source": "provider T_tracker0_cam",
+  "files": [
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+   "tracker0_zup.npz",
+   "rig_zup.npz",
+   "cameras_zup.npz"
+  ]
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+  "generated_by": "scripts/fit_smplx_dataset.py",
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+  "pelvis": "transl + rest_joints(betas)[0] (transl is NOT the pelvis)",
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+   "hand_pose": "flat (zeros, flat_hand_mean=True)",
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+   "markers": "WARN",
+   "timing": "PASS"
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+  "verdict": "READY",
+  "issues": [
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+  ]
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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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+  "applied_at_utc": "2026-10-18T19:05:16.228926+00:00",
+  "generated_by": "scripts/correct_processed_rig.py",
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+  "family": "locomanipulation",
+  "primitive": "LM04",
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