{
  "reference": "laptop epoch nanoseconds",
  "anchor": {
    "delta_ns": 1.7880341697476826e+18,
    "spread_ns": 1280.0,
    "n": 159,
    "warning": null
  },
  "camera": {
    "n": 12,
    "warning": "clock rate only pinned to +/-98 ppm over 11 s - record longer for a tight fit",
    "model": "Prophesee EVK4",
    "alpha": 0.9998666045019192,
    "beta_prime_ns": 453994568093.60376,
    "drift_ppm": -133.39549808077945,
    "drift_stderr_ppm": 98.4863471165259,
    "span_s": 11.399754,
    "resid_p50_ms": 1.2887795232543946
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  "phone": {
    "n_batches": 147,
    "warning": null,
    "drift_ns_per_s": 0.0,
    "offset_ns": 83968256.0,
    "envelope_tightness_ms": 6.243584
  },
  "batches": {
    "n_lines": 147,
    "n_parse_error": 0,
    "n_duplicates": 0
  }
}