qraco-fusion-sample / metadata.json
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{
"schema_version": "1.0.0",
"session_id": "20260711_005336_1817813b",
"dataset_name": "Physical AI field capture",
"campaign_id": "QRPAI-001",
"protocol_id": "PROTO-001",
"contributor_code": "P-001",
"known_activity": "pocket_movement",
"custom_activity": "",
"task_outcome": "unknown",
"environment": "interior",
"surface": "necunoscuta",
"equipment": "telefon purtat",
"conditions": "",
"notes": "",
"started_at_epoch_ms": 1783731216220,
"ended_at_epoch_ms": 1783733273408,
"duration_ms": 2057188,
"timezone_id": "Europe\/London",
"timezone_offset_minutes": 60,
"locale": "en-GB",
"record_count": 65640,
"data_part_count": 1,
"integrity_block_count": 17,
"integrity_chain_head_sha256": "c53820d3d1fe0a8f20dfd27ed6122c6164330936a353600b188e4f299e99bddf",
"integrity_block_size_records": 4096,
"dropped_event_count": 0,
"requested_sampling_mode": "SENSOR_DELAY_FASTEST_no_batching",
"storage_profile": "compact_primary_sensors_float32_v1",
"numeric_encoding": "Shortest decimal representation that round-trips to source Float32; location remains Float64",
"calibration_window_ms": 5000,
"video_enabled": false,
"video_file": null,
"location_enabled": false,
"privacy_note": "Location is opt-in. No name, email, advertising ID, serial number, microphone audio or account data is collected.",
"consent_granted": true,
"consent_text_version": "QRPAI-CONSENT-1.0",
"consent_recorded_at_epoch_ms": 1783731216220,
"device_manufacturer": "HONOR",
"device_model": "MBH-N49",
"device_product": "MBH-N49EEA",
"device_hardware": "qcom",
"android_release": "16",
"android_sdk": 36,
"app_version": "1.3.0",
"sensor_descriptors": [
{
"type": 1,
"key": "accelerometer",
"name": "lsm6dso Accelerometer Non-wakeup",
"vendor": "STMicro",
"version": 143119,
"resolution": 0.0047856453,
"maximum_range": 156.9064,
"minimum_delay_us": 2404,
"maximum_delay_us": 1000000,
"power_ma": 0.17,
"reporting_mode": 0,
"wake_up": false
},
{
"type": 16,
"key": "gyroscope_uncalibrated",
"name": "lsm6dso Gyroscope-Uncalibrated Non-wakeup",
"vendor": "STMicro",
"version": 143119,
"resolution": 0.0012217296,
"maximum_range": 34.906036,
"minimum_delay_us": 2404,
"maximum_delay_us": 1000000,
"power_ma": 0.55,
"reporting_mode": 0,
"wake_up": false
},
{
"type": 14,
"key": "magnetometer_uncalibrated",
"name": "mmc56x3x Magnetometer_Uncalibrated Non-wakeup",
"vendor": "memsic",
"version": 10000,
"resolution": 0.0976,
"maximum_range": 3000.0288,
"minimum_delay_us": 10000,
"maximum_delay_us": 1000000,
"power_ma": 1,
"reporting_mode": 0,
"wake_up": false
},
{
"type": 11,
"key": "rotation_vector",
"name": "FUSION Rotation Vector Non-wakeup",
"vendor": "akm",
"version": 1289,
"resolution": 0.01,
"maximum_range": 1,
"minimum_delay_us": 10000,
"maximum_delay_us": 10000,
"power_ma": 0.001,
"reporting_mode": 0,
"wake_up": false
},
{
"type": 5,
"key": "light",
"name": "TCS3720_1ALSPRX Ambient Light Sensor Non-wakeup",
"vendor": "ams AG",
"version": 66048,
"resolution": 1,
"maximum_range": 20000,
"minimum_delay_us": 0,
"maximum_delay_us": 0,
"power_ma": 0.38,
"reporting_mode": 1,
"wake_up": false
},
{
"type": 8,
"key": "proximity",
"name": "TCS3720_1ALSPRX Proximity Sensor Wakeup",
"vendor": "ams AG",
"version": 66048,
"resolution": 1,
"maximum_range": 5,
"minimum_delay_us": 0,
"maximum_delay_us": 0,
"power_ma": 0.625,
"reporting_mode": 1,
"wake_up": true
},
{
"type": 6,
"key": "pressure",
"name": "goertek_spl07 Pressure Sensor Non-wakeup",
"vendor": "Goertek",
"version": 4864,
"resolution": 0.01,
"maximum_range": 1100,
"minimum_delay_us": 31250,
"maximum_delay_us": 1000000,
"power_ma": 0.006,
"reporting_mode": 0,
"wake_up": false
}
],
"measured_sensor_statistics": {
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"mean_period_ns": 5.778441590763602E7,
"jitter_std_ns": 5.188229110616742E9,
"min_period_ns": 2411407,
"max_period_ns": 981625813291,
"timestamp_regressions": 31,
"unreliable_accuracy_count": 0
},
"battery": {
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"timestamp_regressions": 0,
"unreliable_accuracy_count": 0
},
"gyroscope_uncalibrated": {
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"min_period_ns": 2411355,
"max_period_ns": 1387464175938,
"timestamp_regressions": 0,
"unreliable_accuracy_count": 0
},
"light": {
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"measured_hz": 0.06482308493632259,
"mean_period_ns": 1.542660305325373E10,
"jitter_std_ns": 1.2408390582399005E11,
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"timestamp_regressions": 0,
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},
"magnetometer_uncalibrated": {
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"min_period_ns": 10000000,
"max_period_ns": 1387489864584,
"timestamp_regressions": 0,
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},
"pressure": {
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"mean_period_ns": 1.3305277913374274E9,
"jitter_std_ns": 3.6297856225195114E10,
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"timestamp_regressions": 0,
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},
"proximity": {
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"mean_period_ns": 3.20202812421875E10,
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"min_period_ns": 52996406,
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},
"rotation_vector": {
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"min_period_ns": 1327083,
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},
"user_annotation": {
"count": 2,
"measured_hz": 4.8610518629781644E-4,
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"jitter_std_ns": 0,
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"timestamp_regressions": 0,
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}
},
"initial_calibration_statistics": {
"accelerometer": {
"count": 2138,
"mean": [
-0.7648618971879466,
7.802008074811957,
5.929200463951802
],
"standard_deviation": [
0.6421546501325623,
1.1383099466862927,
1.1554819889711003
]
}
}
}