{
 "episode_id": "episode_2026-07-21_04-10-36_5b36bf78",
 "device_id": "5b36bf78449afe26",
 "session_dir": "20260721_041036_session48",
 "session_index": 48,
 "session_timestamp": "2026-07-21T04:10:36",
 "session_timestamp_note": "as recorded by the device; timezone not asserted",
 "oss_prefix": "5b36bf78449afe26/20260721_041036_session48/",
 "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": 33.9666,
 "n_video_streams": 8,
 "n_sensor_streams": 7,
 "total_bytes": 124710561,
 "timesync": {
  "report_file": "timesync_report.txt",
  "report_count": 1,
  "tool_version": "1.0.8",
  "analyzed_at": "2026-07-21T16:33:26",
  "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": 389120,
   "duration_s": 36.0209,
   "sample_count": 14614,
   "sample_rate_hz": 202.94,
   "rows_per_table": {
    "gyro_data": 7304,
    "acc_data": 7310
   },
   "clock_start_ns": 3517152709926,
   "clock_end_ns": 3553173593281,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.104211,
   "end_delta_s": 0.950051
  },
  {
   "file": "robocap_imu_right.db",
   "source": "robocap",
   "type": "imu",
   "size_bytes": 372736,
   "duration_s": 35.9631,
   "sample_count": 14544,
   "sample_rate_hz": 202.29,
   "rows_per_table": {
    "gyro_data": 7269,
    "acc_data": 7275
   },
   "clock_start_ns": 3517040168616,
   "clock_end_ns": 3553003244006,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.216752,
   "end_delta_s": 0.779702
  },
  {
   "file": "robocap_mag_middle.db",
   "source": "robocap",
   "type": "mag",
   "size_bytes": 114688,
   "duration_s": 36.1,
   "sample_count": 3611,
   "sample_rate_hz": 100.03,
   "rows_per_table": {
    "mag_data": 3611
   },
   "clock_start_ns": 3517232082134,
   "clock_end_ns": 3553332118777,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.024838,
   "end_delta_s": 1.108576
  },
  {
   "file": "robocap_video_left.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 17044100,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 4e-05,
   "end_delta_s": 2.9e-05
  },
  {
   "file": "robocap_video_left_eye.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 17064972,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "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": 17046952,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 1.8e-05,
   "end_delta_s": 1.8e-05
  },
  {
   "file": "robocap_video_right.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 17059074,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 2e-05,
   "end_delta_s": 2e-05
  },
  {
   "file": "robocap_video_right_eye.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 17054745,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 5.1e-05,
   "end_delta_s": 5.1e-05
  },
  {
   "file": "robocap_video_right_front.mp4",
   "source": "robocap",
   "type": "video",
   "size_bytes": 17076710,
   "duration_s": 33.9666,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0295,
   "n_frames": 1020,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 5.7e-05,
   "end_delta_s": 4.6e-05
  },
  {
   "file": "robowrist_left/imu.db",
   "source": "robowrist_left",
   "type": "imu",
   "size_bytes": 335872,
   "duration_s": 32.3734,
   "sample_count": 12946,
   "sample_rate_hz": 200.13,
   "rows_per_table": {
    "gyro_data": 6479,
    "acc_data": 6467
   },
   "clock_start_ns": 3518454506329,
   "clock_end_ns": 3550827892630,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.291257,
   "end_delta_s": 1.39565
  },
  {
   "file": "robowrist_left/mag.db",
   "source": "robowrist_left",
   "type": "mag",
   "size_bytes": 98304,
   "duration_s": 32.2794,
   "sample_count": 3229,
   "sample_rate_hz": 100.03,
   "rows_per_table": {
    "mag_data": 3229
   },
   "clock_start_ns": 3518564683068,
   "clock_end_ns": 3550844120678,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.307763,
   "end_delta_s": 1.379422
  },
  {
   "file": "robowrist_left/video_down.mp4",
   "source": "robowrist_left",
   "type": "video",
   "size_bytes": 9702517,
   "duration_s": 32.2661,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0315,
   "n_frames": 969,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.275684,
   "end_delta_s": 1.424857
  },
  {
   "file": "robowrist_right/imu.db",
   "source": "robowrist_right",
   "type": "imu",
   "size_bytes": 339968,
   "duration_s": 32.5237,
   "sample_count": 13000,
   "sample_rate_hz": 200.04,
   "rows_per_table": {
    "gyro_data": 6506,
    "acc_data": 6494
   },
   "clock_start_ns": 3518336596539,
   "clock_end_ns": 3550860329722,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.17336,
   "end_delta_s": 1.363213
  },
  {
   "file": "robowrist_right/mag.db",
   "source": "robowrist_right",
   "type": "mag",
   "size_bytes": 102400,
   "duration_s": 32.4194,
   "sample_count": 3243,
   "sample_rate_hz": 100.03,
   "rows_per_table": {
    "mag_data": 3243
   },
   "clock_start_ns": 3518446808450,
   "clock_end_ns": 3550866248030,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.189888,
   "end_delta_s": 1.357294
  },
  {
   "file": "robowrist_right/video_down.mp4",
   "source": "robowrist_right",
   "type": "video",
   "size_bytes": 10877248,
   "duration_s": 32.3661,
   "codec": "hevc",
   "width": 1920,
   "height": 1080,
   "fps": 30.0314,
   "n_frames": 972,
   "integrity": "READY",
   "align_status": "PASS",
   "quality_status": "PASS",
   "drop_rate_pct": 0.0,
   "start_delta_s": 0.173487,
   "end_delta_s": 1.426989
  }
 ]
}