{ "episode_id": "episode_2026-07-21_04-00-30_5b36bf78", "device_id": "5b36bf78449afe26", "session_dir": "20260721_040030_session38", "session_index": 38, "session_timestamp": "2026-07-21T04:00:30", "session_timestamp_note": "as recorded by the device; timezone not asserted", "oss_prefix": "5b36bf78449afe26/20260721_040030_session38/", "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": 43.9667, "n_video_streams": 8, "n_sensor_streams": 7, "total_bytes": 157432339, "timesync": { "report_file": "timesync_report.txt", "report_count": 1, "tool_version": "1.0.8", "analyzed_at": "2026-07-21T16:31:44", "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": 483328, "duration_s": 46.0293, "sample_count": 18676, "sample_rate_hz": 202.94, "rows_per_table": { "gyro_data": 9335, "acc_data": 9341 }, "clock_start_ns": 2910515998720, "clock_end_ns": 2956545302669, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.105202, "end_delta_s": 0.957424 }, { "file": "robocap_imu_right.db", "source": "robocap", "type": "imu", "size_bytes": 466944, "duration_s": 45.9733, "sample_count": 18593, "sample_rate_hz": 202.27, "rows_per_table": { "gyro_data": 9294, "acc_data": 9299 }, "clock_start_ns": 2910408060095, "clock_end_ns": 2956381408014, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.21314, "end_delta_s": 0.788802 }, { "file": "robocap_mag_middle.db", "source": "robocap", "type": "mag", "size_bytes": 139264, "duration_s": 46.11, "sample_count": 4612, "sample_rate_hz": 100.02, "rows_per_table": { "mag_data": 4612 }, "clock_start_ns": 2910596383595, "clock_end_ns": 2956706383075, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.024817, "end_delta_s": 1.118505 }, { "file": "robocap_video_left.mp4", "source": "robocap", "type": "video", "size_bytes": 22055830, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 2.9e-05, "end_delta_s": 2.9e-05 }, { "file": "robocap_video_left_eye.mp4", "source": "robocap", "type": "video", "size_bytes": 22076440, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "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": 22048968, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.4e-05, "end_delta_s": 1.4e-05 }, { "file": "robocap_video_right.mp4", "source": "robocap", "type": "video", "size_bytes": 22064523, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.7e-05, "end_delta_s": 2.8e-05 }, { "file": "robocap_video_right_eye.mp4", "source": "robocap", "type": "video", "size_bytes": 22074837, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 3.9e-05, "end_delta_s": 5e-05 }, { "file": "robocap_video_right_front.mp4", "source": "robocap", "type": "video", "size_bytes": 22061011, "duration_s": 43.9667, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0227, "n_frames": 1320, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 4.5e-05, "end_delta_s": 4.5e-05 }, { "file": "robowrist_left/imu.db", "source": "robowrist_left", "type": "imu", "size_bytes": 397312, "duration_s": 38.6945, "sample_count": 15478, "sample_rate_hz": 200.16, "rows_per_table": { "gyro_data": 7745, "acc_data": 7733 }, "clock_start_ns": 2911786156423, "clock_end_ns": 2950480705995, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.258643, "end_delta_s": 5.107173 }, { "file": "robowrist_left/mag.db", "source": "robowrist_left", "type": "mag", "size_bytes": 114688, "duration_s": 38.5688, "sample_count": 3858, "sample_rate_hz": 100.03, "rows_per_table": { "mag_data": 3858 }, "clock_start_ns": 2911895937032, "clock_end_ns": 2950464709252, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.274737, "end_delta_s": 5.123169 }, { "file": "robowrist_left/video_down.mp4", "source": "robowrist_left", "type": "video", "size_bytes": 10689020, "duration_s": 38.5654, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0269, "n_frames": 1158, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.250313, "end_delta_s": 5.150935 }, { "file": "robowrist_right/imu.db", "source": "robowrist_right", "type": "imu", "size_bytes": 397312, "duration_s": 38.5685, "sample_count": 15419, "sample_rate_hz": 200.03, "rows_per_table": { "gyro_data": 7715, "acc_data": 7704 }, "clock_start_ns": 2911898553921, "clock_end_ns": 2950467004797, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.371011, "end_delta_s": 5.120874 }, { "file": "robowrist_right/mag.db", "source": "robowrist_right", "type": "mag", "size_bytes": 114688, "duration_s": 38.4592, "sample_count": 3847, "sample_rate_hz": 100.03, "rows_per_table": { "mag_data": 3847 }, "clock_start_ns": 2912008263742, "clock_end_ns": 2950467459154, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.387063, "end_delta_s": 5.120419 }, { "file": "robowrist_right/video_down.mp4", "source": "robowrist_right", "type": "video", "size_bytes": 12217021, "duration_s": 38.4326, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0266, "n_frames": 1154, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.358098, "end_delta_s": 5.176028 } ] }