{
 "episode_id": "episode_2026-07-21_04-14-34_5b36bf78",
 "device_id": "5b36bf78449afe26",
 "session_dir": "20260721_041434_session53",
 "session_index": 53,
 "session_timestamp": "2026-07-21T04:14:34",
 "session_timestamp_note": "as recorded by the device; timezone not asserted",
 "oss_prefix": "5b36bf78449afe26/20260721_041434_session53/",
 "robowrist_left_id": "7c09116c9ab54795",
 "robowrist_right_id": "4193a1bc74bb26b9",
 "imu_model": "icm42688p",
 "mag_model": "mmc5983ma",
 "camera_sensor": "sc233hgs",
 "clock_note": "sqlite `timestamp` is nanoseconds on a device-monotonic clock, not epoch; use start_delta_s/end_delta_s to align across devices",
 "duration_s": 38.9665,
 "n_video_streams": 8,
 "n_sensor_streams": 7,
 "total_bytes": 141670531,
 "timesync": {
  "report_file": "timesync_report.txt",
  "report_count": 1,
  "tool_version": "1.0.8",
  "analyzed_at": "2026-07-21T16:34:15",
  "analysis_params": {
   "threshold_seconds": 6.0,
   "drop_threshold": 1.5,
   "quality_standards": {
    "nominal_video_fps": 30.0,
    "nominal_imu_hz": 200.0,
    "nominal_mag_hz": 100.0,
    "interval_period_multiplier": 6.0
   },
   "enable_frame_interval_check": true
  },
  "overall_passed": true,
  "overall_summary": "all segments complete, time-aligned and within quality thresholds",
  "segment_summaries": [
   "segment1 passed"
  ],
  "missing_count": 0,
  "corrupt_count": 0,
  "probe_fail_count": 0,
  "anomalies": []
 },
 "devices": {
  "robocap": {
   "version": "1.2.13",
   "username": "frodobots",
   "deviceid": "5b36bf78449afe26",
   "subdevices": "7c09116c9ab54795,4193a1bc74bb26b9",
   "host": "NONE",
   "camera": "sc233hgs",
   "majority_count": 6,
   "total_mp4_count": 6,
   "pairing_ok": true,
   "pairing_checked": true
  },
  "robowrist_left": {
   "version": "4.0.2",
   "username": "frodobots",
   "deviceid": "7c09116c9ab54795",
   "subdevices": "NONE",
   "host": "5b36bf78449afe26",
   "camera": "sc233hgs",
   "majority_count": 1,
   "total_mp4_count": 1,
   "pairing_ok": true,
   "pairing_checked": true
  },
  "robowrist_right": {
   "version": "4.0.2",
   "username": "frodobots",
   "deviceid": "4193a1bc74bb26b9",
   "subdevices": "NONE",
   "host": "5b36bf78449afe26",
   "camera": "sc233hgs",
   "majority_count": 1,
   "total_mp4_count": 1,
   "pairing_ok": true,
   "pairing_checked": true
  }
 },
 "streams": [
  {
   "file": "robocap_imu_left.db",
   "source": "robocap",
   "type": "imu",
   "size_bytes": 434176,
   "duration_s": 41.0049,
   "sample_count": 16636,
   "sample_rate_hz": 202.93,
   "rows_per_table": {
    "gyro_data": 8315,
    "acc_data": 8321
   },
   "clock_start_ns": 3754326240997,
   "clock_end_ns": 3795331185874,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.112016,
   "end_delta_s": 0.926373
  },
  {
   "file": "robocap_imu_right.db",
   "source": "robocap",
   "type": "imu",
   "size_bytes": 417792,
   "duration_s": 40.9532,
   "sample_count": 16562,
   "sample_rate_hz": 202.28,
   "rows_per_table": {
    "gyro_data": 8278,
    "acc_data": 8284
   },
   "clock_start_ns": 3754206788039,
   "clock_end_ns": 3795160011806,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.231468,
   "end_delta_s": 0.755199
  },
  {
   "file": "robocap_mag_middle.db",
   "source": "robocap",
   "type": "mag",
   "size_bytes": 126976,
   "duration_s": 41.08,
   "sample_count": 4109,
   "sample_rate_hz": 100.02,
   "rows_per_table": {
    "mag_data": 4109
   },
   "clock_start_ns": 3754412689331,
   "clock_end_ns": 3795492677892,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.025567,
   "end_delta_s": 1.087865
  },
  {
   "file": "robocap_video_left.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19566855,
   "duration_s": 38.9665,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0258,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 4.2e-05,
   "end_delta_s": 3e-05
  },
  {
   "file": "robocap_video_left_eye.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19572110,
   "duration_s": 38.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0257,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.0,
   "end_delta_s": 0.0
  },
  {
   "file": "robocap_video_left_front.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19582469,
   "duration_s": 38.9665,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0258,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 2.1e-05,
   "end_delta_s": 9e-06
  },
  {
   "file": "robocap_video_right.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19535062,
   "duration_s": 38.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0257,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 2.1e-05,
   "end_delta_s": 2.1e-05
  },
  {
   "file": "robocap_video_right_eye.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19550672,
   "duration_s": 38.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0257,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 5.9e-05,
   "end_delta_s": 4.8e-05
  },
  {
   "file": "robocap_video_right_front.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 19592473,
   "duration_s": 38.9665,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0258,
   "n_frames": 1170,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 6.8e-05,
   "end_delta_s": 4.5e-05
  },
  {
   "file": "robowrist_left/imu.db",
   "source": "robowrist_left",
   "type": "imu",
   "size_bytes": 389120,
   "duration_s": 37.9232,
   "sample_count": 15184,
   "sample_rate_hz": 200.19,
   "rows_per_table": {
    "gyro_data": 7592,
    "acc_data": 7592
   },
   "clock_start_ns": 3755719597043,
   "clock_end_ns": 3793642785717,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.306127,
   "end_delta_s": 0.762027
  },
  {
   "file": "robowrist_left/mag.db",
   "source": "robowrist_left",
   "type": "mag",
   "size_bytes": 114688,
   "duration_s": 37.8798,
   "sample_count": 3789,
   "sample_rate_hz": 100.03,
   "rows_per_table": {
    "mag_data": 3789
   },
   "clock_start_ns": 3755760356661,
   "clock_end_ns": 3793640181827,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.3221,
   "end_delta_s": 0.764631
  },
  {
   "file": "robowrist_left/video_down.mp4",
   "source": "robowrist_left",
   "type": "video",
   "size_bytes": 10113021,
   "duration_s": 37.8665,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0266,
   "n_frames": 1137,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.302486,
   "end_delta_s": 0.797599
  },
  {
   "file": "robowrist_right/imu.db",
   "source": "robowrist_right",
   "type": "imu",
   "size_bytes": 389120,
   "duration_s": 38.0447,
   "sample_count": 15210,
   "sample_rate_hz": 200.05,
   "rows_per_table": {
    "gyro_data": 7611,
    "acc_data": 7599
   },
   "clock_start_ns": 3755622731953,
   "clock_end_ns": 3793667428197,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.278125,
   "end_delta_s": 0.737384
  },
  {
   "file": "robowrist_right/mag.db",
   "source": "robowrist_right",
   "type": "mag",
   "size_bytes": 114688,
   "duration_s": 37.9291,
   "sample_count": 3794,
   "sample_rate_hz": 100.03,
   "rows_per_table": {
    "mag_data": 3794
   },
   "clock_start_ns": 3755733032554,
   "clock_end_ns": 3793662122476,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.294776,
   "end_delta_s": 0.74269
  },
  {
   "file": "robowrist_right/video_down.mp4",
   "source": "robowrist_right",
   "type": "video",
   "size_bytes": 12140155,
   "duration_s": 37.8991,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0271,
   "n_frames": 1138,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.268773,
   "end_delta_s": 0.798694
  }
 ]
}