{
  "baseline_commit": "bf6eac83",
  "source_groups": 16,
  "positive_valid_step_solids": 25,
  "held_main_bearing_mesh_records_and_native_volumes": [
    "main_rear_cap_with_open_fixing_passages_comparison",
    "main_rear_two_nominal_bolts_and_unloaded_washers",
    "main_rear_upper_factory_clearance_reference_shell",
    "main_rear_lower_factory_clearance_reference_shell",
    "main_center_cap_with_open_fixing_passages_comparison",
    "main_center_two_nominal_bolts_and_unloaded_washers",
    "main_center_upper_factory_clearance_reference_shell",
    "main_center_lower_factory_clearance_reference_shell",
    "main_front_cap_with_open_fixing_passages_comparison",
    "main_front_two_nominal_bolts_and_unloaded_washers",
    "main_front_upper_factory_clearance_reference_shell",
    "main_front_lower_factory_clearance_reference_shell"
  ],
  "rod_checks": {
    "1": {
      "single_connected_rod": true,
      "retained_big_small_end_guard_difference_mm3": 0,
      "outer_bounds_held": true,
      "mid_web_and_both_outer_flange_material_present": true,
      "two_open_face_relief_witnesses": true,
      "removed_native_volume_mm3": 13097.633664095418
    },
    "2": {
      "single_connected_rod": true,
      "retained_big_small_end_guard_difference_mm3": 0,
      "outer_bounds_held": true,
      "mid_web_and_both_outer_flange_material_present": true,
      "two_open_face_relief_witnesses": true,
      "removed_native_volume_mm3": 13097.633664143927
    },
    "3": {
      "single_connected_rod": true,
      "retained_big_small_end_guard_difference_mm3": 0,
      "outer_bounds_held": true,
      "mid_web_and_both_outer_flange_material_present": true,
      "two_open_face_relief_witnesses": true,
      "removed_native_volume_mm3": 13097.633664145054
    },
    "4": {
      "single_connected_rod": true,
      "retained_big_small_end_guard_difference_mm3": 0,
      "outer_bounds_held": true,
      "mid_web_and_both_outer_flange_material_present": true,
      "two_open_face_relief_witnesses": true,
      "removed_native_volume_mm3": 13097.63366412143
    }
  },
  "unchanged_native_sha256": {
    "midget-1500-measured-core.json": "47059768d4dc759afc01c77e127b13a13c3727913f1564fa9d12c3bdaeaf5bd9",
    "midget-1500-measured-core.step": "8d3a2eef6419982a7444e60a1f0e72e1a487938bd89c833b3daaa39d62b4a7a9",
    "rocker-support-reference.json": "32d6db703114ff21bf4607ecfe52382482a470d57a8735936e6f3a61be7f8a4c",
    "rocker-support-reference.step": "f16283ba19c5d4e47b8623d252ab2dffcec0beadfc50ad22d6ab4490ac5bae14",
    "sump-reference.json": "995508545de8916a090b1156013630e0d1bffd83e53820880f9cf550725c858d",
    "sump-reference.step": "93a3fedef4b15676c64348a8f8ad63d8b7a2fdc88b1a5d090a70a2ffc7a5bcc7",
    "rear-engine-plate-reference.json": "859f33538cf65073c8468b40fdaf16aa0c5b86bdd460c20952e11cd792125ca7",
    "rear-engine-plate-reference.step": "0a0d38dcf7b7a812b4857f60f00a9e15c144226ba7d59365a306978e774ee85e",
    "clutch-pack-reference.json": "fc2a8f546e8736b6a3b35535746ef48781bc8d6e8c6af2b4d366fb8fc930fca2",
    "clutch-pack-reference.step": "e6abec3ae244af24a709c67effd2bb8cabd95d18963fd2a3dc29cbca6b174869"
  },
  "limits": "Shank pocket,width,depth,rounded ends and reverse-face symmetry are construction estimates from supplier topology. Existing factory-center-distance datum and all big/small bore,width,cap split,boss/fixing and installed stations stay. Retained end bore/width values come from the earlier aftermarket H-beam comparison;they are not relabeled as stock146454 or fitted dimensions. No photographed lightening/oil hole,casting mark or number is copied or assigned. No cap,bolt,small-end bush,crank,piston or engine pose changes to force a fit. No forging development,material,strength,mass balance,loaded clearance,working articulation or verified replacement/removal path."
}