{
  "passed": true,
  "referenceRays": 224,
  "classifications": {
    "0": 16,
    "1": 142,
    "2": 66
  },
  "maxRadiusErrorM": 0.00016244081229643825,
  "maxRedshiftError": 0.0000015620549108641413,
  "scope": "Sampled CPU RK4 against independent u/theta DOP853. Not a global error bound; GPU float precision and unresolved subpixel images require separate checks.",
  "units": "G=c=M=1; radius unit GM/c², half the Schwarzschild radius used by v0"
}