{
  "status": "PROVISIONAL_GEOMETRY_AUDIT_NOT_LOADED_EQUILIBRIUM",
  "a13_sha256": "96a1430c84b328aef57315beb8d6fda5cd279252ce4e9546babc16881a172708",
  "display_source": "2601-A02-W-sourced-parts.STEP",
  "watertight": true,
  "winding_consistent": true,
  "display_to_a13_translation_m": [
    3.987554907798767,
    0.0,
    0.596548938046908
  ],
  "registration_method": "Bounding-box translation; nearest-vertex residual check. Not an exact CAD revision equivalence certification.",
  "registration_nearest_vertex_median_m": 0.0014989952394872407,
  "registration_nearest_vertex_p95_m": 0.019773407037937483,
  "results": [
    {
      "mass_kg": 3500,
      "density_kg_m3": 1025,
      "volume_m3": 3.414634146341463,
      "buoyancy_N": 34323.274999999994,
      "waterline_a13_m": 0.47481228511541546,
      "lcb_a13_x_m": 2.940523204891737,
      "waterline_display_m": -0.12173665293149255
    },
    {
      "mass_kg": 4100,
      "density_kg_m3": 1025,
      "volume_m3": 3.999999999992478,
      "buoyancy_N": 40207.26499992439,
      "waterline_a13_m": 0.5104080377325018,
      "lcb_a13_x_m": 2.970091924401268,
      "waterline_display_m": -0.08614090031440624
    }
  ],
  "previous_display_z0_equivalent_a13_waterline_m": 0.596548938046908,
  "previous_display_z0_equivalent_displacement_kg": 5666.747934707341,
  "limits": [
    "4100 kg is an estimated loading, not verified by CAD or weighing.",
    "Zero trim imposed; moment balance and CG datum are unresolved.",
    "Artificial closure caps enter above approximately 0.492 m in the A13 frame; their physical validity remains unverified.",
    "Display and CFD geometry are separate revisions; correspondence is provisional.",
    "Latest R18 continuation uses staticFvMesh: all hull motion is fixed.",
    "Earlier dynamic case builder allows vertical translation and pitch only, with historical 3500 kg and assumed inertias.",
    "No verified drive geometry, installation/thrust axis, drive trim, propeller forces or drive restraint model."
  ]
}