{
  "baseline": "443c74b7",
  "source_groups": {
    "front-fulcrum-reference": 22,
    "front-kingpin-reference": 22
  },
  "positive_valid_solids": {
    "front-fulcrum-reference": 80,
    "front-kingpin-reference": 60
  },
  "retained_mesh_records": {
    "front-fulcrum-reference": 20,
    "front-kingpin-reference": 20
  },
  "step_integration_and_boundary_checks": [
    {
      "name": "front_left_seven_central_two_end_turn_coil_comparison",
      "before_volume_mm3": 321829.88849806105,
      "after_volume_mm3": 321829.9189968326,
      "boundary_samples": 106,
      "maximum_distance_mm": 9.522331415046491e-11
    },
    {
      "name": "front_right_seven_central_two_end_turn_coil_comparison",
      "before_volume_mm3": 321829.88849788846,
      "after_volume_mm3": 321829.91899667075,
      "boundary_samples": 106,
      "maximum_distance_mm": 9.51097079145873e-11
    },
    {
      "name": "front_left_offset_bored_upper_trunnion_reference",
      "before_volume_mm3": 35019.67464663125,
      "after_volume_mm3": 35019.67470602639,
      "boundary_samples": 370,
      "maximum_distance_mm": 2.932398639335799e-08
    }
  ],
  "strict_native_volume_relative_tolerance": 1e-09,
  "exchange_exception_relative_volume_limit": 1e-06,
  "exchange_exception_boundary_tolerance_mm": 1e-05,
  "changed_parts_are_material_subsets": true,
  "retained_full_part_bounds": true,
  "retained_all_nodes_and_bush_seats": true,
  "profile_material_witnesses": [
    {
      "side": "left",
      "pin_removed_mm3": 48284.90654,
      "carrier_removed_mm3": 183275.37792,
      "retained_journal_bands": true,
      "relief_and_taper_material_witnesses": true,
      "lower_mounting_root_material_held": true
    },
    {
      "side": "right",
      "pin_removed_mm3": 48284.90654,
      "carrier_removed_mm3": 183332.29203,
      "retained_journal_bands": true,
      "relief_and_taper_material_witnesses": true,
      "lower_mounting_root_material_held": true
    }
  ],
  "retained_assembly_anchor_fields": 160,
  "unchanged_neighbor_files": [
    "steering-arm-reference.json",
    "steering-arm-reference.step",
    "front-caliper-reference.json",
    "front-caliper-reference.step",
    "front-hub-reference.json",
    "front-hub-reference.step",
    "front-structure-reference.json",
    "front-structure-reference.step"
  ],
  "limits": "Supplier photographs and factory drawing support relieved journals and a tapered forged upright, not fitted identity or dimensions. Journal radii, shaft length, kingpin axes, bush seats, carrier bore/neck, spindle and mounting stations remain inherited estimates. In particular the retained37.2533mm journal diameter is not a factory or owner specification. The3mm radial relief,12mm shoulders and155\u2013200mm carrier taper stations are selected recognition geometry. No new lubrication drilling, bushing reaming/fit, end float, load/strength, articulation, alignment, tool access or verified replacement/removal path. No other part moved to erase intersections."
}