{
  "schema_version": "maglab-standard-report-v1",
  "run": 100210,
  "generated_utc": "2026-08-17T02:26:35+00:00",
  "analyzer_version": "maglab-analyzer v8",
  "analysis_model_id": "maglab-analysis-v1",
  "run_header": {
    "run": 100210,
    "session_id": "29bf9540-5709-4a68-b81a-838894983e59",
    "started_utc_ms": 1786844115610,
    "duration_s": 300.195,
    "samples": {
      "calibrated": 15002,
      "uncalibrated": 15002,
      "accelerometer": 17897,
      "gyroscope": 17897
    },
    "magnetometer_accuracy_codes": "0\u00d715002",
    "requested_delay_us": 20000,
    "app_version": "26",
    "analysis_model_id": "maglab-analysis-v1",
    "has_console_manifest": false
  },
  "overall_quality": "usable",
  "summary": "usable; 6 artifact interval(s), 843 eligible rolling windows",
  "checks": {
    "readiness": {
      "status": "pass",
      "analyzable": true,
      "missing_streams": [],
      "session_type": "PHONE_FIRST_SESSION",
      "app_version": "26",
      "console_manifest": "unavailable_phone_first",
      "blocks": {
        "value": 1,
        "unit": "rows",
        "n": 1,
        "window": "whole run",
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "aborted_blocks": {
        "value": 0,
        "unit": "blocks",
        "n": 1,
        "window": "whole run",
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "streams": {
        "calibrated": {
          "value": 15002,
          "unit": "samples",
          "n": 15002,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "uncalibrated": {
          "value": 15002,
          "unit": "samples",
          "n": 15002,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "accelerometer": {
          "value": 17897,
          "unit": "samples",
          "n": 17897,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "gyroscope": {
          "value": 17897,
          "unit": "samples",
          "n": 17897,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        }
      }
    },
    "sampling": {
      "summary": "calibrated magnetometer 50 Hz effective over N=15002 samples, 0 gaps",
      "stats": {
        "calibrated_samples": {
          "key": "calibrated_samples",
          "label": "calibrated samples",
          "value": 15002,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_duration": {
          "key": "calibrated_duration",
          "label": "calibrated span, first to last sample",
          "value": 300.02,
          "unit": "s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_effective_rate": {
          "key": "calibrated_effective_rate",
          "label": "calibrated effective rate",
          "value": 49.99999472185243,
          "unit": "Hz",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_median_interval": {
          "key": "calibrated_median_interval",
          "label": "calibrated median sample interval",
          "value": 19.999960000006922,
          "unit": "ms",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_max_interval": {
          "key": "calibrated_max_interval",
          "label": "calibrated largest sample interval",
          "value": 20.201538999998547,
          "unit": "ms",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_gaps": {
          "key": "calibrated_gaps",
          "label": "calibrated intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_missing_estimate": {
          "key": "calibrated_missing_estimate",
          "label": "calibrated samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "estimated from interval length; the phone never fabricates a sample",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_completeness": {
          "key": "calibrated_completeness",
          "label": "calibrated completeness against nominal rate",
          "value": 1.0001,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_gaps_exported": {
          "key": "calibrated_gaps_exported",
          "label": "calibrated gaps recorded by the phone",
          "value": 1,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_samples": {
          "key": "uncalibrated_samples",
          "label": "uncalibrated samples",
          "value": 15002,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_duration": {
          "key": "uncalibrated_duration",
          "label": "uncalibrated span, first to last sample",
          "value": 300.02,
          "unit": "s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_effective_rate": {
          "key": "uncalibrated_effective_rate",
          "label": "uncalibrated effective rate",
          "value": 49.99999472185243,
          "unit": "Hz",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_median_interval": {
          "key": "uncalibrated_median_interval",
          "label": "uncalibrated median sample interval",
          "value": 19.999960000006922,
          "unit": "ms",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_max_interval": {
          "key": "uncalibrated_max_interval",
          "label": "uncalibrated largest sample interval",
          "value": 20.201538999998547,
          "unit": "ms",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_gaps": {
          "key": "uncalibrated_gaps",
          "label": "uncalibrated intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_missing_estimate": {
          "key": "uncalibrated_missing_estimate",
          "label": "uncalibrated samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "estimated from interval length; the phone never fabricates a sample",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_completeness": {
          "key": "uncalibrated_completeness",
          "label": "uncalibrated completeness against nominal rate",
          "value": 1.0001,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_gaps_exported": {
          "key": "uncalibrated_gaps_exported",
          "label": "uncalibrated gaps recorded by the phone",
          "value": 1,
          "unit": "",
          "n": 15001,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_samples": {
          "key": "accelerometer_samples",
          "label": "accelerometer samples",
          "value": 17897,
          "unit": "",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_duration": {
          "key": "accelerometer_duration",
          "label": "accelerometer span, first to last sample",
          "value": 300.015,
          "unit": "s",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_effective_rate": {
          "key": "accelerometer_effective_rate",
          "label": "accelerometer effective rate",
          "value": 59.65036757770191,
          "unit": "Hz",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_median_interval": {
          "key": "accelerometer_median_interval",
          "label": "accelerometer median sample interval",
          "value": 16.76401800000349,
          "unit": "ms",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_max_interval": {
          "key": "accelerometer_max_interval",
          "label": "accelerometer largest sample interval",
          "value": 16.85207299999547,
          "unit": "ms",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_gaps": {
          "key": "accelerometer_gaps",
          "label": "accelerometer intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_missing_estimate": {
          "key": "accelerometer_missing_estimate",
          "label": "accelerometer samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "estimated from interval length; the phone never fabricates a sample",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_completeness": {
          "key": "accelerometer_completeness",
          "label": "accelerometer completeness against nominal rate",
          "value": 1.1931,
          "unit": "",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_gaps_exported": {
          "key": "accelerometer_gaps_exported",
          "label": "accelerometer gaps recorded by the phone",
          "value": 2,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_samples": {
          "key": "gyroscope_samples",
          "label": "gyroscope samples",
          "value": 17897,
          "unit": "",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_duration": {
          "key": "gyroscope_duration",
          "label": "gyroscope span, first to last sample",
          "value": 300.015,
          "unit": "s",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_effective_rate": {
          "key": "gyroscope_effective_rate",
          "label": "gyroscope effective rate",
          "value": 59.65036757770191,
          "unit": "Hz",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_median_interval": {
          "key": "gyroscope_median_interval",
          "label": "gyroscope median sample interval",
          "value": 16.76401800000349,
          "unit": "ms",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_max_interval": {
          "key": "gyroscope_max_interval",
          "label": "gyroscope largest sample interval",
          "value": 16.85207299999547,
          "unit": "ms",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_gaps": {
          "key": "gyroscope_gaps",
          "label": "gyroscope intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_missing_estimate": {
          "key": "gyroscope_missing_estimate",
          "label": "gyroscope samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "estimated from interval length; the phone never fabricates a sample",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_completeness": {
          "key": "gyroscope_completeness",
          "label": "gyroscope completeness against nominal rate",
          "value": 1.1931,
          "unit": "",
          "n": 17897,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_gaps_exported": {
          "key": "gyroscope_gaps_exported",
          "label": "gyroscope gaps recorded by the phone",
          "value": 2,
          "unit": "",
          "n": 17896,
          "window": [
            0.0,
            300.014915695
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "exported_gap_rows": {
          "key": "exported_gap_rows",
          "label": "Rows in data_gaps.csv",
          "value": 6,
          "unit": "",
          "n": 6,
          "window": "whole run",
          "note": "",
          "validity": "valid",
          "reason_code": ""
        }
      },
      "caveats": [
        "calibrated: this recount found 0 gaps but data_gaps.csv records 1. The two use different detection rules (here: interval > 1.5\u00d7 nominal), so a difference is expected for marginal intervals, but a large disagreement means the timing should be checked before use.",
        "uncalibrated: this recount found 0 gaps but data_gaps.csv records 1. The two use different detection rules (here: interval > 1.5\u00d7 nominal), so a difference is expected for marginal intervals, but a large disagreement means the timing should be checked before use.",
        "accelerometer: this recount found 0 gaps but data_gaps.csv records 2. The two use different detection rules (here: interval > 1.5\u00d7 nominal), so a difference is expected for marginal intervals, but a large disagreement means the timing should be checked before use.",
        "gyroscope: this recount found 0 gaps but data_gaps.csv records 2. The two use different detection rules (here: interval > 1.5\u00d7 nominal), so a difference is expected for marginal intervals, but a large disagreement means the timing should be checked before use.",
        "Effective rate is (N\u22121)/span between the first and last sample, so a stream that stopped early reports a normal rate over a short span. Compare the span against the run duration."
      ],
      "per_block_calibrated_coverage": [
        {
          "block_index": 0,
          "n": 15002,
          "window_utc_ms": [
            1786844115741,
            1786844415794
          ],
          "effective_rate_hz": 49.9978337160435
        }
      ]
    },
    "warmup": {
      "status": "reported_unrecorded",
      "recorded_mask_s": [],
      "note": "Phone-first warm-up occurred before Room recording; CSV t=0 is the first measurement sample.",
      "app_version": "26"
    },
    "baseline_drift": {
      "summary": "calibrated |B| drifts -0.0006168 \u00b5T/s (-0.185062 \u00b5T over 0.0\u2013300.0 s, N=15002)",
      "stats": {
        "calibrated_slope": {
          "key": "calibrated_slope",
          "label": "|B| slope, calibrated",
          "value": -0.0006168312353846637,
          "unit": "\u00b5T/s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "ordinary least squares on |B| against phone-clock time",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_slope_stderr": {
          "key": "calibrated_slope_stderr",
          "label": "Slope standard error, calibrated",
          "value": 3.7373033234109796e-05,
          "unit": "\u00b5T/s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "assumes independent residuals; sensor noise is autocorrelated, so this is optimistic",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_total_change": {
          "key": "calibrated_total_change",
          "label": "Fitted change across the window, calibrated",
          "value": -0.18506172677576888,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "slope \u00d7 300.0 s",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_residual_rms": {
          "key": "calibrated_residual_rms",
          "label": "Residual RMS after removing the slope, calibrated",
          "value": 0.3964536936644315,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_r_squared": {
          "key": "calibrated_r_squared",
          "label": "r\u00b2 of the linear fit, calibrated",
          "value": 0.01783645620630292,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "fraction of |B| variance the straight line accounts for",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_mean": {
          "key": "calibrated_mean",
          "label": "Mean |B|, calibrated",
          "value": 34.992169525929874,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_range": {
          "key": "calibrated_range",
          "label": "Peak-to-peak |B|, calibrated",
          "value": 3.2402159999999967,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_slope_first_half": {
          "key": "calibrated_slope_first_half",
          "label": "Slope, first half, calibrated",
          "value": 0.0008026164783853141,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            0.0,
            150.000047817
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_slope_second_half": {
          "key": "calibrated_slope_second_half",
          "label": "Slope, second half, calibrated",
          "value": -0.002208560071470338,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            150.020048102,
            300.020031671
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope": {
          "key": "uncalibrated_slope",
          "label": "|B| slope, uncalibrated",
          "value": -0.0014881944506408133,
          "unit": "\u00b5T/s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "ordinary least squares on |B| against phone-clock time",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope_stderr": {
          "key": "uncalibrated_slope_stderr",
          "label": "Slope standard error, uncalibrated",
          "value": 3.766544553511968e-05,
          "unit": "\u00b5T/s",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "assumes independent residuals; sensor noise is autocorrelated, so this is optimistic",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_total_change": {
          "key": "uncalibrated_total_change",
          "label": "Fitted change across the window, uncalibrated",
          "value": -0.4464881462138633,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "slope \u00d7 300.0 s",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_residual_rms": {
          "key": "uncalibrated_residual_rms",
          "label": "Residual RMS after removing the slope, uncalibrated",
          "value": 0.39955560771251253,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_r_squared": {
          "key": "uncalibrated_r_squared",
          "label": "r\u00b2 of the linear fit, uncalibrated",
          "value": 0.09426353795586606,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "fraction of |B| variance the straight line accounts for",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_mean": {
          "key": "uncalibrated_mean",
          "label": "Mean |B|, uncalibrated",
          "value": 667.4177563398214,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_range": {
          "key": "uncalibrated_range",
          "label": "Peak-to-peak |B|, uncalibrated",
          "value": 3.694499999999948,
          "unit": "\u00b5T",
          "n": 15002,
          "window": [
            0.0,
            300.020031671
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope_first_half": {
          "key": "uncalibrated_slope_first_half",
          "label": "Slope, first half, uncalibrated",
          "value": -0.0003052335134269199,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            0.0,
            150.000047817
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope_second_half": {
          "key": "uncalibrated_slope_second_half",
          "label": "Slope, second half, uncalibrated",
          "value": -0.0033894574236212694,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            150.020048102,
            300.020031671
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        }
      },
      "caveats": [
        "A drift is what the instrument reported over this window. It does not identify a cause; temperature, the phone's own bias estimate and a real field change all look like this."
      ]
    },
    "motion": {
      "status": "pass",
      "derived_trips": 0,
      "derived_trip_intervals": [],
      "exported_motion_gate_rows": 0,
      "orientation_artifact_channel": {
        "flagged": true,
        "perpendicular_sigma_nt": 14.505585804567664,
        "perpendicular_excursion_nt": 365.6895285048598,
        "n": 271,
        "window": [
          30.0,
          300.0
        ],
        "note": "Reported symmetrically as a diagnostic; it is not subtracted or used as a control."
      },
      "quiet_active_analysis": {
        "summary": "zero-lag r=-0.00920025 (N=15001)",
        "stats": {
          "gyro_median_rate": {
            "key": "gyro_median_rate",
            "label": "Median |\u03c9| over the run",
            "value": 0.0010014279,
            "unit": "rad/s",
            "n": 17897,
            "window": "whole run",
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "gyro_p95_rate": {
            "key": "gyro_p95_rate",
            "label": "95th percentile |\u03c9|",
            "value": 0.0012777164,
            "unit": "rad/s",
            "n": 17897,
            "window": "whole run",
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "gyro_max_rate": {
            "key": "gyro_max_rate",
            "label": "Maximum |\u03c9|",
            "value": 0.006833095,
            "unit": "rad/s",
            "n": 17897,
            "window": "whole run",
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_pearson_lag0": {
            "key": "corr_pearson_lag0",
            "label": "Pearson r, |\u03c9| vs |\u0394B| at zero lag",
            "value": -0.009200245300016877,
            "unit": "",
            "n": 15001,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "primary framing (a); no lag search involved",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_p_lag0": {
            "key": "corr_p_lag0",
            "label": "p for zero-lag r, circular-shift null",
            "value": 0.287,
            "unit": "",
            "n": 15001,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "999 circular shifts, two-sided; shifting preserves each series' autocorrelation",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_spearman_lag0": {
            "key": "corr_spearman_lag0",
            "label": "Spearman \u03c1, |\u03c9| vs |\u0394B| at zero lag",
            "value": -0.0033028340287014637,
            "unit": "",
            "n": 15001,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "rank version, robust to the heavy tail in |\u0394B|",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_r_squared_lag0": {
            "key": "corr_r_squared_lag0",
            "label": "r\u00b2 at zero lag (variance shared)",
            "value": 8.464451358048264e-05,
            "unit": "",
            "n": 15001,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "effect size for framing (a)",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_best_lag_s": {
            "key": "corr_best_lag_s",
            "label": "Lag with the largest |r| (exploratory)",
            "value": 0.2,
            "unit": "s",
            "n": 14991,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "21 lags tested from -1 to 1 s",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_best_lag_r": {
            "key": "corr_best_lag_r",
            "label": "Pearson r at that lag (exploratory)",
            "value": 0.019972549290769425,
            "unit": "",
            "n": 14991,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "selected out of 21 comparisons \u2014 not corrected, not a test",
            "validity": "valid",
            "reason_code": ""
          },
          "corr_lags_tested": {
            "key": "corr_lags_tested",
            "label": "Number of lags compared",
            "value": 21,
            "unit": "",
            "n": 15001,
            "window": [
              0.020033732,
              300.020031671
            ],
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "regime_comparison_possible": {
            "key": "regime_comparison_possible",
            "label": "Gyro-quiet vs gyro-active comparison possible",
            "value": false,
            "unit": "",
            "n": 17897,
            "window": "whole run",
            "note": "1 quiet and 0 active spans of at least 2 s at 0.02 rad/s",
            "validity": "valid",
            "reason_code": ""
          },
          "regime_peak_rate": {
            "key": "regime_peak_rate",
            "label": "Peak |\u03c9| against the threshold",
            "value": 0.006833095,
            "unit": "rad/s",
            "n": 17897,
            "window": "whole run",
            "note": "threshold 0.02 rad/s",
            "validity": "valid",
            "reason_code": ""
          }
        },
        "caveats": [
          "Regime framing skipped: the run has 1 quiet and 0 active spans of at least 2 s at a 0.02 rad/s threshold, so there is nothing to compare. Peak |\u03c9| in the whole run was 0.0068331 rad/s. Lowering the threshold until a split appears would be choosing it from the data it then divides, so this analyzer does not do that; a run with deliberate phone movement is what would answer the question.",
          "21 exploratory comparisons were made in this run and none are corrected for multiplicity. The zero-lag correlation and the regime SD ratio are the two figures stated in advance; the best-lag number is a search result and should be treated as a hypothesis, not a finding.",
          "The quiet/active threshold is provisional (docs/analysis-model.md). Rerunning with a different threshold will change these numbers, and a threshold chosen after seeing the result is not a test.",
          "This measures the phone's magnetometer while the phone moves. It says nothing about the source of any field change, and it is not a pre-registered test of the pinwheel hypothesis."
        ]
      },
      "note": "Gyro quiet/active split and motion-gate trips are both reported; they use distinct established thresholds."
    },
    "thermal": {
      "status": "pass",
      "temperature_start_c": {
        "value": 29.6,
        "unit": "\u00b0C",
        "n": 1,
        "window": [
          0.0,
          0.0
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_end_c": {
        "value": 29.1,
        "unit": "\u00b0C",
        "n": 1,
        "window": [
          290.247,
          290.247
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_range_c": {
        "value": 0.5,
        "unit": "\u00b0C",
        "n": 30,
        "window": [
          0.0,
          290.247
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_slope_c_per_min": {
        "value": -0.13937451924587038,
        "unit": "\u00b0C/min",
        "n": 30,
        "window": [
          0.0,
          290.247
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "max_thermal_status": {
        "value": 0,
        "unit": "code",
        "n": 30,
        "window": "whole run",
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "estimated_sitting_elapsed_s": {
        "value": 360.195,
        "unit": "s",
        "n": null,
        "window": "warm-up + recording",
        "validity": "valid",
        "reason_code": "",
        "note": "Known Pixel 7 knee is approximately 7\u20138 minutes; association is not causation."
      },
      "charging_states": [
        "CHARGING"
      ],
      "screen_states": [
        "ON"
      ]
    },
    "ambient": {
      "status": "available",
      "reason_code": "",
      "install_id": "8be03e88-3257-430a-a0f6-de32b00386bb",
      "day_utc": "20260816",
      "rows_day": 1082,
      "rows_context": 90,
      "window_utc_ms": [
        1786843815610,
        1786844715805
      ],
      "note": "Matched directly by session UTC bounds; clock_offset_ms is optional for phone-first runs."
    },
    "rolling_anomaly": {
      "version": "maglab-rolling-feedback-v1",
      "hop_s": 1,
      "window_lengths_s": [
        10,
        20,
        30
      ],
      "drift_sigma_nt": 41.87285121334512,
      "denominator_floor_nt": 1.0,
      "rows": 843,
      "valid_rows": 843,
      "top_candidate_windows": [
        {
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          "score": 5.227832139206577,
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          "signed_change_nt": -218.90423733334075,
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        {
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        {
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          "score": 4.643993941147226,
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        {
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      ],
      "note": "Scores use feedback_meter level/drift_sigma. Both signs are treated symmetrically; ranked windows are descriptive."
    }
  }
}