{ "episode_id": "episode_2026-07-21_03-43-38_5b36bf78", "device_id": "5b36bf78449afe26", "session_dir": "20260721_034338_session20", "session_index": 20, "session_timestamp": "2026-07-21T03:43:38", "session_timestamp_note": "as recorded by the device; timezone not asserted", "oss_prefix": "5b36bf78449afe26/20260721_034338_session20/", "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": 159633408, "timesync": { "report_file": "timesync_report.txt", "report_count": 1, "tool_version": "1.0.8", "analyzed_at": "2026-07-21T16:27:29", "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": 46.0248, "sample_count": 18673, "sample_rate_hz": 202.91, "rows_per_table": { "gyro_data": 9334, "acc_data": 9339 }, "clock_start_ns": 1898550315529, "clock_end_ns": 1944575095350, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.102862, "end_delta_s": 0.950533 }, { "file": "robocap_imu_right.db", "source": "robocap", "type": "imu", "size_bytes": 466944, "duration_s": 45.9743, "sample_count": 18593, "sample_rate_hz": 202.27, "rows_per_table": { "gyro_data": 9294, "acc_data": 9299 }, "clock_start_ns": 1898433450414, "clock_end_ns": 1944407783489, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.219727, "end_delta_s": 0.782824 }, { "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": 1898628257446, "clock_end_ns": 1944738257510, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 1.02492, "end_delta_s": 1.118402 }, { "file": "robocap_video_left.mp4", "source": "robocap", "type": "video", "size_bytes": 22086743, "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": 3.7e-05, "end_delta_s": 4.8e-05 }, { "file": "robocap_video_left_eye.mp4", "source": "robocap", "type": "video", "size_bytes": 22099032, "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": 22098702, "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": 2.2e-05, "end_delta_s": 2.2e-05 }, { "file": "robocap_video_right.mp4", "source": "robocap", "type": "video", "size_bytes": 22095813, "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": 1.8e-05, "end_delta_s": 1.8e-05 }, { "file": "robocap_video_right_eye.mp4", "source": "robocap", "type": "video", "size_bytes": 22035958, "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": 4.6e-05, "end_delta_s": 4.6e-05 }, { "file": "robocap_video_right_front.mp4", "source": "robocap", "type": "video", "size_bytes": 22018392, "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": 5.4e-05, "end_delta_s": 6.5e-05 }, { "file": "robowrist_left/imu.db", "source": "robowrist_left", "type": "imu", "size_bytes": 438272, "duration_s": 42.6636, "sample_count": 17082, "sample_rate_hz": 200.19, "rows_per_table": { "gyro_data": 8541, "acc_data": 8541 }, "clock_start_ns": 1899873119807, "clock_end_ns": 1942536754332, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.249397, "end_delta_s": 1.083101 }, { "file": "robowrist_left/mag.db", "source": "robowrist_left", "type": "mag", "size_bytes": 126976, "duration_s": 42.6187, "sample_count": 4263, "sample_rate_hz": 100.03, "rows_per_table": { "mag_data": 4263 }, "clock_start_ns": 1899914006171, "clock_end_ns": 1942532735887, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.260829, "end_delta_s": 1.08712 }, { "file": "robowrist_left/video_down.mp4", "source": "robowrist_left", "type": "video", "size_bytes": 11420932, "duration_s": 42.5988, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.0243, "n_frames": 1279, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.244255, "end_delta_s": 1.12366 }, { "file": "robowrist_right/imu.db", "source": "robowrist_right", "type": "imu", "size_bytes": 438272, "duration_s": 42.824, "sample_count": 17122, "sample_rate_hz": 200.07, "rows_per_table": { "gyro_data": 8568, "acc_data": 8554 }, "clock_start_ns": 1899726831473, "clock_end_ns": 1942550846446, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.177302, "end_delta_s": 1.069009 }, { "file": "robowrist_right/mag.db", "source": "robowrist_right", "type": "mag", "size_bytes": 126976, "duration_s": 42.6993, "sample_count": 4271, "sample_rate_hz": 100.03, "rows_per_table": { "mag_data": 4271 }, "clock_start_ns": 1899846707219, "clock_end_ns": 1942545960226, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.19353, "end_delta_s": 1.073895 }, { "file": "robowrist_right/video_down.mp4", "source": "robowrist_right", "type": "video", "size_bytes": 13526651, "duration_s": 42.6659, "codec": "hevc", "width": 1920, "height": 1080, "fps": 30.024, "n_frames": 1281, "integrity": "READY", "align_status": "PASS", "quality_status": "PASS", "drop_rate_pct": 0.0, "start_delta_s": 0.17355, "end_delta_s": 1.127243 } ] }