{
  "schema_version": "maglab-standard-report-v3",
  "run": 100812,
  "generated_utc": "2026-08-29T04:15:35+00:00",
  "analyzer_version": "maglab-analyzer v24",
  "analysis_model_id": "maglab-analysis-v1",
  "run_header": {
    "run": 100812,
    "session_id": "4050cec2-80fc-4e3c-a4ce-b1fae31e0787",
    "started_utc_ms": 1787976508895,
    "duration_s": 300.324,
    "samples": {
      "calibrated": 15003,
      "uncalibrated": 15003,
      "accelerometer": 17831,
      "gyroscope": 17831
    },
    "magnetometer_accuracy_codes": "0\u00d715003",
    "requested_delay_us": 20000,
    "app_version": "38",
    "analysis_model_id": "maglab-analysis-v1",
    "has_console_manifest": false
  },
  "identity": {
    "person": "unknown",
    "role": "unassigned",
    "condition": "CONTROL"
  },
  "primary_outcome": {
    "version": "maglab-final-v1",
    "available": true,
    "reason": "",
    "stream": "calibrated",
    "nominal_hz": 50.0,
    "reference_n": 1500,
    "outcome_n": 2999,
    "reference_window_s": [
      0.0,
      30.0
    ],
    "outcome_window_s": [
      240.0,
      300.0
    ],
    "reference_actual_bounds_s": [
      0.0,
      29.980028541
    ],
    "outcome_actual_bounds_s": [
      240.019992086,
      299.980001763
    ],
    "run_seconds": 300.039979182,
    "signed_delta_nt": -523.7,
    "absolute_delta_nt": 523.7,
    "delta_pct": -0.957,
    "reference_magnitude_ut": 54.700905,
    "outcome_magnitude_ut": 54.177156,
    "angle_deg": 0.724,
    "ambient_ut": 54.56
  },
  "practitioner_comparison": {
    "available": false,
    "reason": "not_a_cherylee_primary_run"
  },
  "overall_quality": "COMPLETE",
  "summary": "CONTROL; -523.7 nT; complete",
  "checks": {
    "readiness": {
      "status": "pass",
      "analyzable": true,
      "missing_streams": [],
      "session_type": "PHONE_FIRST_SESSION",
      "app_version": "38",
      "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": 15003,
          "unit": "samples",
          "n": 15003,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "uncalibrated": {
          "value": 15003,
          "unit": "samples",
          "n": 15003,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "accelerometer": {
          "value": 17831,
          "unit": "samples",
          "n": 17831,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        },
        "gyroscope": {
          "value": 17831,
          "unit": "samples",
          "n": 17831,
          "window": "whole run",
          "validity": "valid",
          "reason_code": "",
          "note": ""
        }
      }
    },
    "sampling": {
      "summary": "calibrated magnetometer 50 Hz effective over N=15003 samples, 0 gaps",
      "stats": {
        "calibrated_samples": {
          "key": "calibrated_samples",
          "label": "calibrated samples",
          "value": 15003,
          "unit": "",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_duration": {
          "key": "calibrated_duration",
          "label": "calibrated span, first to last sample",
          "value": 300.04,
          "unit": "s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_effective_rate": {
          "key": "calibrated_effective_rate",
          "label": "calibrated effective rate",
          "value": 50.000003469204344,
          "unit": "Hz",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_median_interval": {
          "key": "calibrated_median_interval",
          "label": "calibrated median sample interval",
          "value": 20.000000000010232,
          "unit": "ms",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_max_interval": {
          "key": "calibrated_max_interval",
          "label": "calibrated largest sample interval",
          "value": 20.164835999992192,
          "unit": "ms",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_gaps": {
          "key": "calibrated_gaps",
          "label": "calibrated intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_missing_estimate": {
          "key": "calibrated_missing_estimate",
          "label": "calibrated samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_gaps_exported": {
          "key": "calibrated_gaps_exported",
          "label": "calibrated gaps recorded by the phone",
          "value": 4,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_samples": {
          "key": "uncalibrated_samples",
          "label": "uncalibrated samples",
          "value": 15003,
          "unit": "",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_duration": {
          "key": "uncalibrated_duration",
          "label": "uncalibrated span, first to last sample",
          "value": 300.04,
          "unit": "s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_effective_rate": {
          "key": "uncalibrated_effective_rate",
          "label": "uncalibrated effective rate",
          "value": 50.000003469204344,
          "unit": "Hz",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_median_interval": {
          "key": "uncalibrated_median_interval",
          "label": "uncalibrated median sample interval",
          "value": 20.000000000010232,
          "unit": "ms",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_max_interval": {
          "key": "uncalibrated_max_interval",
          "label": "uncalibrated largest sample interval",
          "value": 20.164835999992192,
          "unit": "ms",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_gaps": {
          "key": "uncalibrated_gaps",
          "label": "uncalibrated intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_missing_estimate": {
          "key": "uncalibrated_missing_estimate",
          "label": "uncalibrated samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_gaps_exported": {
          "key": "uncalibrated_gaps_exported",
          "label": "uncalibrated gaps recorded by the phone",
          "value": 4,
          "unit": "",
          "n": 15002,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_samples": {
          "key": "accelerometer_samples",
          "label": "accelerometer samples",
          "value": 17831,
          "unit": "",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_duration": {
          "key": "accelerometer_duration",
          "label": "accelerometer span, first to last sample",
          "value": 300.034,
          "unit": "s",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_effective_rate": {
          "key": "accelerometer_effective_rate",
          "label": "accelerometer effective rate",
          "value": 59.42669282610323,
          "unit": "Hz",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_median_interval": {
          "key": "accelerometer_median_interval",
          "label": "accelerometer median sample interval",
          "value": 16.82723100000061,
          "unit": "ms",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_max_interval": {
          "key": "accelerometer_max_interval",
          "label": "accelerometer largest sample interval",
          "value": 16.922576999998995,
          "unit": "ms",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_gaps": {
          "key": "accelerometer_gaps",
          "label": "accelerometer intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_missing_estimate": {
          "key": "accelerometer_missing_estimate",
          "label": "accelerometer samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "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": 1.1886,
          "unit": "",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "accelerometer_gaps_exported": {
          "key": "accelerometer_gaps_exported",
          "label": "accelerometer gaps recorded by the phone",
          "value": 5,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_samples": {
          "key": "gyroscope_samples",
          "label": "gyroscope samples",
          "value": 17831,
          "unit": "",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_duration": {
          "key": "gyroscope_duration",
          "label": "gyroscope span, first to last sample",
          "value": 300.034,
          "unit": "s",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_effective_rate": {
          "key": "gyroscope_effective_rate",
          "label": "gyroscope effective rate",
          "value": 59.42669282610323,
          "unit": "Hz",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "nominal 50 Hz",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_median_interval": {
          "key": "gyroscope_median_interval",
          "label": "gyroscope median sample interval",
          "value": 16.82723100000061,
          "unit": "ms",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_max_interval": {
          "key": "gyroscope_max_interval",
          "label": "gyroscope largest sample interval",
          "value": 16.922576999998995,
          "unit": "ms",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_gaps": {
          "key": "gyroscope_gaps",
          "label": "gyroscope intervals over 1.5\u00d7 nominal",
          "value": 0,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_missing_estimate": {
          "key": "gyroscope_missing_estimate",
          "label": "gyroscope samples missing across those gaps",
          "value": 0,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "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": 1.1886,
          "unit": "",
          "n": 17831,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "gyroscope_gaps_exported": {
          "key": "gyroscope_gaps_exported",
          "label": "gyroscope gaps recorded by the phone",
          "value": 5,
          "unit": "",
          "n": 17830,
          "window": [
            0.0,
            300.033522851
          ],
          "note": "from data_gaps.csv",
          "validity": "valid",
          "reason_code": ""
        },
        "exported_gap_rows": {
          "key": "exported_gap_rows",
          "label": "Rows in data_gaps.csv",
          "value": 18,
          "unit": "",
          "n": 18,
          "window": "whole run",
          "note": "",
          "validity": "valid",
          "reason_code": ""
        }
      },
      "caveats": [
        "calibrated: this recount found 0 gaps but data_gaps.csv records 4. 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 4. 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 5. 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 5. 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": 15003,
          "window_utc_ms": [
            1787976509063,
            1787976809189
          ],
          "effective_rate_hz": 49.98900461806042
        }
      ]
    },
    "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": "38"
    },
    "baseline_drift": {
      "summary": "calibrated |B| drifts -0.00208253 \u00b5T/s (-0.624842 \u00b5T over 0.0\u2013300.0 s, N=15003)",
      "stats": {
        "calibrated_slope": {
          "key": "calibrated_slope",
          "label": "|B| slope, calibrated",
          "value": -0.0020825278986137063,
          "unit": "\u00b5T/s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 3.6985535441369925e-05,
          "unit": "\u00b5T/s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": -0.6248416273459907,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 0.39238235321485065,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_r_squared": {
          "key": "calibrated_r_squared",
          "label": "r\u00b2 of the linear fit, calibrated",
          "value": 0.17447322480166827,
          "unit": "",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "fraction of |B| variance the straight line accounts for",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_mean": {
          "key": "calibrated_mean",
          "label": "Mean |B|, calibrated",
          "value": 54.522843007265216,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_range": {
          "key": "calibrated_range",
          "label": "Peak-to-peak |B|, calibrated",
          "value": 3.9996599999999987,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_slope_first_half": {
          "key": "calibrated_slope_first_half",
          "label": "Slope, first half, calibrated",
          "value": -0.0006599184868524738,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            0.0,
            150.000016608
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "calibrated_slope_second_half": {
          "key": "calibrated_slope_second_half",
          "label": "Slope, second half, calibrated",
          "value": -0.0039615439764261375,
          "unit": "\u00b5T/s",
          "n": 7502,
          "window": [
            150.020015876,
            300.039979182
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope": {
          "key": "uncalibrated_slope",
          "label": "|B| slope, uncalibrated",
          "value": -0.0031665244177549387,
          "unit": "\u00b5T/s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 4.4369113638479996e-05,
          "unit": "\u00b5T/s",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": -0.9500839203824866,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "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": 0.4707152948244315,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_r_squared": {
          "key": "uncalibrated_r_squared",
          "label": "r\u00b2 of the linear fit, uncalibrated",
          "value": 0.2534720329344462,
          "unit": "",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "fraction of |B| variance the straight line accounts for",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_mean": {
          "key": "uncalibrated_mean",
          "label": "Mean |B|, uncalibrated",
          "value": 118.52602432333533,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_range": {
          "key": "uncalibrated_range",
          "label": "Peak-to-peak |B|, uncalibrated",
          "value": 5.545100000000005,
          "unit": "\u00b5T",
          "n": 15003,
          "window": [
            0.0,
            300.039979182
          ],
          "note": "",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope_first_half": {
          "key": "uncalibrated_slope_first_half",
          "label": "Slope, first half, uncalibrated",
          "value": -0.001118588101930388,
          "unit": "\u00b5T/s",
          "n": 7501,
          "window": [
            0.0,
            150.000016608
          ],
          "note": "first vs second half",
          "validity": "valid",
          "reason_code": ""
        },
        "uncalibrated_slope_second_half": {
          "key": "uncalibrated_slope_second_half",
          "label": "Slope, second half, uncalibrated",
          "value": -0.005880109032998314,
          "unit": "\u00b5T/s",
          "n": 7502,
          "window": [
            150.020015876,
            300.039979182
          ],
          "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": false,
        "perpendicular_sigma_nt": 5.839071436237035,
        "perpendicular_excursion_nt": 607.9535753182917,
        "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=0.00909555 (N=15002)",
        "stats": {
          "gyro_median_rate": {
            "key": "gyro_median_rate",
            "label": "Median |\u03c9| over the run",
            "value": 0.0009034819,
            "unit": "rad/s",
            "n": 17831,
            "window": "whole run",
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "gyro_p95_rate": {
            "key": "gyro_p95_rate",
            "label": "95th percentile |\u03c9|",
            "value": 0.0013913118,
            "unit": "rad/s",
            "n": 17831,
            "window": "whole run",
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "gyro_max_rate": {
            "key": "gyro_max_rate",
            "label": "Maximum |\u03c9|",
            "value": 0.0023160574,
            "unit": "rad/s",
            "n": 17831,
            "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": 0.00909555464365184,
            "unit": "",
            "n": 15002,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": 0.253,
            "unit": "",
            "n": 15002,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": 0.007825839063840946,
            "unit": "",
            "n": 15002,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": 8.272911427565656e-05,
            "unit": "",
            "n": 15002,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": 14992,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": -0.02098058339382145,
            "unit": "",
            "n": 14992,
            "window": [
              0.020000774,
              300.039979182
            ],
            "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": 15002,
            "window": [
              0.020000774,
              300.039979182
            ],
            "note": "",
            "validity": "valid",
            "reason_code": ""
          },
          "regime_comparison_possible": {
            "key": "regime_comparison_possible",
            "label": "Gyro-quiet vs gyro-active comparison possible",
            "value": false,
            "unit": "",
            "n": 17831,
            "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": 0.0023160574,
            "unit": "rad/s",
            "n": 17831,
            "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 0.0023161 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": 27.9,
        "unit": "\u00b0C",
        "n": 1,
        "window": [
          0.0,
          0.0
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_end_c": {
        "value": 28.1,
        "unit": "\u00b0C",
        "n": 1,
        "window": [
          300.265,
          300.265
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_range_c": {
        "value": 0.20000000000000284,
        "unit": "\u00b0C",
        "n": 31,
        "window": [
          0.0,
          300.265
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "temperature_slope_c_per_min": {
        "value": 0.03625350348447589,
        "unit": "\u00b0C/min",
        "n": 31,
        "window": [
          0.0,
          300.265
        ],
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "max_thermal_status": {
        "value": 0,
        "unit": "code",
        "n": 31,
        "window": "whole run",
        "validity": "valid",
        "reason_code": "",
        "note": ""
      },
      "estimated_sitting_elapsed_s": {
        "value": 360.324,
        "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": [
        "DISCHARGING"
      ],
      "screen_states": [
        "ON"
      ]
    },
    "ambient": {
      "status": "available",
      "reason_code": "",
      "install_id": "0c8bf1c1-10c6-424e-a52c-1ad31791c391",
      "day_utc": "20260829",
      "rows_day": 1229,
      "rows_context": 61,
      "ambient_control_windows": 31,
      "ambient_delta_mean_nt": 93.84,
      "ambient_delta_median_nt": 27.88,
      "ambient_windows_more_positive_fraction": 0.871,
      "window_utc_ms": [
        1787976208895,
        1787977109219
      ],
      "note": "Ambient context includes non-overlapping 300-second windows using the same 0\u201330 s versus 240\u2013300 s outcome."
    },
    "rolling_anomaly": {
      "version": "maglab-rolling-feedback-v1",
      "hop_s": 1,
      "window_lengths_s": [
        10,
        20,
        30
      ],
      "drift_sigma_nt": 38.88299459722591,
      "denominator_floor_nt": 1.0,
      "rows": 843,
      "valid_rows": 843,
      "top_candidate_windows": [
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          "valid": true,
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          "signed_change_nt": -676.395796666668,
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          "score": 16.239686171489407,
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          "score": 16.092443680027394,
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      "note": "Scores use feedback_meter level/drift_sigma. Both signs are treated symmetrically; ranked windows are descriptive."
    }
  }
}