{
  "reference": "laptop epoch nanoseconds",
  "anchor": {
    "delta_ns": 1.7879679589406305e+18,
    "spread_ns": 1024.0,
    "n": 144,
    "warning": null
  },
  "camera": {
    "n": 11,
    "warning": "clock rate only pinned to +/-130 ppm over 10 s - record longer for a tight fit",
    "model": "Prophesee EVK4",
    "alpha": 0.9998617790774055,
    "beta_prime_ns": 9089115548859.764,
    "drift_ppm": -138.22092259452302,
    "drift_stderr_ppm": 129.52875662419686,
    "span_s": 10.299952,
    "resid_p50_ms": 1.750623892578125
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  "phone": {
    "n_batches": 133,
    "warning": null,
    "drift_ns_per_s": 0.0,
    "offset_ns": 78940416.0,
    "envelope_tightness_ms": 6.453504
  },
  "batches": {
    "n_lines": 133,
    "n_parse_error": 0,
    "n_duplicates": 0
  }
}