{
  "schema": "sill-section-validation-v1",
  "baseline_commit": "a7cdca00",
  "scope": "Reference sill bounds/sections and static source contacts. Not fitted box dimensions, welds, structural strength, suspension travel, jacking or a replacement procedure.",
  "valid_positive_step_solids": 18,
  "source_meshes": 9,
  "changed_existing_meshes": [
    "cabin_left_open_inner_sill_web_and_returns_reference",
    "cabin_right_open_inner_sill_web_and_returns_reference"
  ],
  "added_meshes": [
    "cabin_left_formed_outer_sill_skin_and_returns_reference",
    "cabin_right_formed_outer_sill_skin_and_returns_reference"
  ],
  "unchanged_mesh_payloads": 5,
  "side_checks": {
    "left": {
      "old_inner_sill__rear_tyre_source_contact_mm3": 3220.8969556512607,
      "new_inner_and_outer_sills__rear_tyre_source_contact_mm3": 0.0,
      "inner_lower_y_mm": 254.0,
      "inner_z_bounds_mm": [
        -694.2666666666,
        296.3333333333301
      ],
      "outer_z_bounds_mm": [
        -694.2666666666,
        194.73333333333
      ],
      "shared_lower_return_edge_material_witness": true,
      "seat_floor_hole_axes_held": true
    },
    "right": {
      "old_inner_sill__rear_tyre_source_contact_mm3": 3220.8969562906814,
      "new_inner_and_outer_sills__rear_tyre_source_contact_mm3": 0.0,
      "inner_lower_y_mm": 254.0,
      "inner_z_bounds_mm": [
        -694.2666666666,
        296.3333333333301
      ],
      "outer_z_bounds_mm": [
        -694.2666666666,
        194.73333333333
      ],
      "shared_lower_return_edge_material_witness": true,
      "seat_floor_hole_axes_held": true
    }
  },
  "unresolved_held_source_contacts_mm3": {
    "left_held_floor__rear_tyre_mm3": 2325.8184586565694,
    "right_held_floor__rear_tyre_mm3": 2325.818263134708
  },
  "remaining_gap": "Rear floor/wheelhouse/seat common registration remains unresolved. The floor and seat fixing references are retained; tyre-source contacts are reconstruction discrepancies, not actual-car interference. Lower wing/footwell front closure between outer sillZ=.23 and inner frontZ=.35 is not reconstructed.",
  "held_source_sha256": {
    "midget-1500-measured-core.json": "3e2577e1688663a6ea3a985091fc8a35bea6d5054514cafac4562973c741cc9e",
    "midget-1500-measured-core.step": "05849788af49defc430885ffedac66589fea076e2c7581197aff29780fed0a39",
    "front-structure-reference.json": "e4d9a50449ef1d5e68d98949f675da258221a3953ab759821a6a62cf5e83553b",
    "front-structure-reference.step": "37d8dd6b43212f75f27f2996d5203070c8b15cc93909df30bd1ee7950bab5052",
    "front-footwell-reference.json": "bff35d6f5db4819f9b38b7d07b15eb17570b9339a1aca8c856b7d0317a60501c",
    "front-footwell-reference.step": "7b11ceca5b754c0bf08fe6f1cf32e8bcbc5b4deb227c18908b0bea7bb2e68df1",
    "rear-body-mount-reference.json": "edf2760a32847e7adcd14a6759a5d001f6167259abb6183f93717111ed71404e",
    "rear-body-mount-reference.step": "97e82ac65f4b2a63b2cd871e945d84122232d91761b92831710e359513eec456",
    "seat-support-reference.json": "14a9b8584c3390bacc396d23bd4640896642c5ef9f1693dd042621ec54f074f6",
    "seat-support-reference.step": "24a6faf90f47184765366836fd3c1a8653eb50044ebd440db9cea29b7c5abf8e",
    "rear-spring-hanger-reference.json": "a7533b38832987082d46424f3b77e10bb7176440d0b27ff56e2203767116dec2",
    "rear-spring-hanger-reference.step": "eea0ee79af4dad362b79bc6a4851705ac3e4cd6c4a9b9f1bc8e1fdbf72b4daf0",
    "wheel-profile-reference.json": "46512939f693c68c8f38c073fa2bce2367816bdf015dcbc9f7461de6085318ee",
    "wheel-profile-reference.step": "8842a7c18f0dd4cb906d050e5c660f33cb90b1f99e6dd9152e5188d57b6309c4",
    "headlamp-reference.json": "2e96ba868d46690c48451e4fa6fafffe7922805e20972407b6709b234baa9b25",
    "headlamp-reference.step": "a659f31c046c65c7bd57884d52b3bd9f2084473c6f4d170713186a627bb17eda"
  },
  "source_sha256": {
    "cabin-understructure-reference.json": "988cf58ee05614028980bbb872a4e2575de6b795c122ca21bfa9d0c9c0207ccb",
    "cabin-understructure-reference.step": "46e0a43e7318fa33fe5660597b4eb8740a64fa96d163d7773c4523e4f89ddbea"
  }
}