{
  "reference": "laptop epoch nanoseconds",
  "anchor": {
    "delta_ns": 1.7880341697476826e+18,
    "spread_ns": 1280.0,
    "n": 129,
    "warning": null
  },
  "camera": {
    "n": 9,
    "warning": "clock rate only pinned to +/-157 ppm over 8 s - record longer for a tight fit",
    "model": "Prophesee EVK4",
    "alpha": 0.9993864166334852,
    "beta_prime_ns": 316902917018.2663,
    "drift_ppm": -613.5833665148472,
    "drift_stderr_ppm": 157.42006266313948,
    "span_s": 8.4,
    "resid_p50_ms": 0.5533613430786133
  },
  "phone": {
    "n_batches": 120,
    "warning": null,
    "drift_ns_per_s": 0.0,
    "offset_ns": 68577536.0,
    "envelope_tightness_ms": 6.205849600000001
  },
  "batches": {
    "n_lines": 120,
    "n_parse_error": 0,
    "n_duplicates": 0
  }
}