{
  "reference": "laptop epoch nanoseconds",
  "anchor": {
    "delta_ns": 1.7879679589406305e+18,
    "spread_ns": 1280.0,
    "n": 119,
    "warning": null
  },
  "camera": {
    "n": 8,
    "warning": "clock rate only pinned to +/-197 ppm over 7 s - record longer for a tight fit",
    "model": "Prophesee EVK4",
    "alpha": 0.9997046524057157,
    "beta_prime_ns": 8757390958391.646,
    "drift_ppm": -295.3475942842898,
    "drift_stderr_ppm": 196.54903102898396,
    "span_s": 7.3,
    "resid_p50_ms": 1.2672842319335937
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  "phone": {
    "n_batches": 111,
    "warning": null,
    "drift_ns_per_s": 0.0,
    "offset_ns": 29530368.0,
    "envelope_tightness_ms": 4.12928
  },
  "batches": {
    "n_lines": 111,
    "n_parse_error": 0,
    "n_duplicates": 0
  }
}