{
  "scope": "closed analytical twin-ellipsoid reference; NOT reconstructed ECONA hull geometry",
  "hulls_valid_closed_positive_solids": 2,
  "actual": {
    "mass_kg": 7726.168145464175,
    "KB_m": 0.39225834723093306,
    "waterplane_area_m2": 22.13723464429692,
    "BM_transverse_m": 27.567667616393507,
    "waterplane_faces": 2
  },
  "analytic_expected": {
    "mass_kg": 7742.051721527528,
    "KB_m": 0.3921954183184396,
    "waterplane_area_m2": 22.15445983367906,
    "BM_transverse_m": 27.532440871397245
  },
  "relative_errors": {
    "mass_kg": 0.002051597772097934,
    "KB_m": 0.00016045295165161062,
    "waterplane_area_m2": 0.0007775043720972436,
    "BM_transverse_m": 0.001279463203455308
  },
  "passed": true
}