{
  "baseline_commit": "d4653088",
  "source_groups": 7,
  "positive_valid_step_solids": 44,
  "held_mesh_records_and_native_volumes": [
    "rear_bumper_open_armature_and_mount_faces_reference",
    "rear_bumper_upper_clamping_strip_reference",
    "rear_bumper_lower_clamping_strip_reference",
    "rear_bumper_28_rivet_layout_comparison",
    "rear_bumper_left_body_stud_washer_nut_reference",
    "rear_bumper_right_body_stud_washer_nut_reference"
  ],
  "single_connected_moulding": true,
  "modeled_mount_chain_contacts_mm3": {
    "rear_bumper_open_armature_and_mount_faces_reference": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    },
    "rear_bumper_upper_clamping_strip_reference": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    },
    "rear_bumper_lower_clamping_strip_reference": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    },
    "rear_bumper_28_rivet_layout_comparison": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    },
    "rear_bumper_left_body_stud_washer_nut_reference": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    },
    "rear_bumper_right_body_stud_washer_nut_reference": {
      "before_mm3": 0.0,
      "after_mm3": 0.0
    }
  },
  "full_outer_bounds_and_body_stations_held": true,
  "body_and_28_rivet_axes_held": true,
  "open_rivet_passages_and_no_rivet_material_overlap": true,
  "bow_witnesses": {
    "-500": {
      "rear_face_expected_z_mm": -1912.466079834639,
      "rear_skin_present": true,
      "rear_exterior_and_forward_cavity_empty": true
    },
    "-300": {
      "rear_face_expected_z_mm": -1923.9437887404702,
      "rear_skin_present": true,
      "rear_exterior_and_forward_cavity_empty": true
    },
    "0": {
      "rear_face_expected_z_mm": -1930.4,
      "rear_skin_present": true,
      "rear_exterior_and_forward_cavity_empty": true
    },
    "300": {
      "rear_face_expected_z_mm": -1923.9437887404702,
      "rear_skin_present": true,
      "rear_exterior_and_forward_cavity_empty": true
    },
    "500": {
      "rear_face_expected_z_mm": -1912.466079834639,
      "rear_skin_present": true,
      "rear_exterior_and_forward_cavity_empty": true
    }
  },
  "held_neighbor_sha256": {
    "rear-frame-reference.json": "184f2b29e1b079b4a0d44356e2a509d72139614d4ea4cb6a7011364b2cf291c4",
    "rear-frame-reference.step": "f00c11f25018c40ed49b6e05f53cae95c3b7601fdc08e636309d7cb107eb1fd7",
    "boot-floor-reference.json": "ccc7e022c7e7012d5d9e16d7346cb08e0254be28abd0b84dfb89fb41a2de56d7",
    "boot-floor-reference.step": "b6479d49e8d6e75c7fd845e8bbb245f028532d3459eaf562b2047b5279de8340",
    "rear-quarter-reference.json": "874c5772320bb5f31f3ac6d0529dd5326bfd3c65e19aa43a16c0140ddecac5a2",
    "rear-quarter-reference.step": "2983d02b30c25f2fd933efc4fd20ac1b5a35300f2265059b45328237fc84f581",
    "boot-body-reference.json": "646bd07a55f90d35637fbe15eca57c059fd9fd7c64c89f72ffbe5a853d55fc78",
    "boot-body-reference.step": "36a5fa0fb8ea786730e5e22d50a9092ad864096c6eaede84214fb9d2f5320958",
    "front-bumper-reference.json": "1d43417e4a619b1a33c2726902438d7d0f4bd0b6af3ab7d2d18e22d4d670c0d2",
    "front-bumper-reference.step": "1c7edef07f300ca27d68998bbfb65cd02e0d04b590400f513f339f273743058f"
  },
  "limits": "Bow35mm,quadratic law,mirror symmetry and8mm projected-Z wall are estimates,not fitted curvature,normal moulding gauge or tooling. Factory drawing is unscaled;owner side view does not recover plan dimensions. Old full outer bounds,bumper station,corner return front ends,armature,28rivet axes,clamping strips andbody fixings stay. This does not verify compressed rubber fit,clamping,body clearance,impact behavior or replacement/removal path."
}