{
  "source": "01_紧固件/0101_螺栓/010107_GBT899双头螺柱/标准_双头螺柱M20X150.solidworks_evidence_v2.json",
  "part_id": "_-M20X150",
  "source_status": "hybrid_semantic_surfaceir_pending",
  "source_self_validation": {
    "schema": "solidworks.cad_evidence.self_validation.v1",
    "passed": false,
    "meaning": "complete reusable extraction; not a claim of backend feature support or 1:1 rebuild",
    "counts": {
      "features": 32,
      "opaque_exact_geometry_features": 0,
      "typed_body_features": 7,
      "direct_semantic_features": 0,
      "typed_features_requiring_history": 7,
      "complete_history_features": 6,
      "spline_segments": 0,
      "incomplete_splines": 0,
      "exact_bcurves": 0,
      "incomplete_bcurves": 0,
      "exact_bsurfaces": 0,
      "incomplete_bsurfaces": 0,
      "exact_trimmed_faces": 0,
      "incomplete_trimmed_faces": 0,
      "missing_exact_geometry_catalog_references": 0,
      "incomplete_topology_records": 0,
      "skipped_getter_signatures": 3
    },
    "feature_contracts": [
      {
        "feature": "BaseHead",
        "family": "revolve",
        "passed": true,
        "blockers": []
      },
      {
        "feature": "HeadChamfer",
        "family": "chamfer",
        "passed": true,
        "blockers": []
      },
      {
        "feature": "BaseBody",
        "family": "revolve",
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        "blockers": []
      },
      {
        "feature": "Cut-Revolve10",
        "family": "revolve",
        "passed": true,
        "blockers": []
      },
      {
        "feature": "LPattern10",
        "family": "pattern",
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        "blockers": []
      },
      {
        "feature": "Cut-Revolve11",
        "family": "revolve",
        "passed": true,
        "blockers": []
      },
      {
        "feature": "LPattern11",
        "family": "pattern",
        "passed": true,
        "blockers": []
      }
    ],
    "blockers": [
      "LPattern10: incomplete before/after history state or stage truth",
      "LPattern10: before/after body fingerprints are identical; rollback was not proven"
    ]
  },
  "step_inference": {
    "available": true,
    "face_count": 20,
    "surface_counts": {
      "cone": 12,
      "cylinder": 6,
      "plane": 2
    },
    "axis_count": 18,
    "repeat_spacings_mm": [],
    "metrics": {
      "bounding_box_mm": [
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        10.0,
        10.0
      ],
      "volume_mm3": 46919.689797805,
      "surface_area_mm2": 9949.868046796,
      "solid_count": 1,
      "face_count": 20,
      "edge_count": 38,
      "vertex_count": 20
    },
    "error": null,
    "truth_comparison": {
      "expected_from_evidence": {
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          10.0
        ],
        "volume_mm3": 46919.689797805,
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        "solid_count": 1,
        "face_count": 11,
        "edge_count": 10,
        "vertex_count": 0
      },
      "comparisons": {
        "volume_mm3": {
          "expected": 46919.689797805,
          "actual": 46919.689797805,
          "absolute_delta": 0.0,
          "within_tolerance": true
        },
        "surface_area_mm2": {
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          "actual": 9949.868046796,
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          "within_tolerance": true
        },
        "bounding_box_mm": {
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            10.0
          ],
          "actual": [
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            10.0,
            10.0
          ],
          "max_absolute_delta": 0.0,
          "within_tolerance": true
        },
        "solid_count": {
          "expected": 1,
          "actual": 1,
          "matches": true
        },
        "face_count": {
          "expected": 11,
          "actual": 20,
          "matches": false
        },
        "edge_count": {
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          "actual": 38,
          "matches": false
        },
        "vertex_count": {
          "expected": 0,
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          "matches": false
        }
      },
      "numeric_geometry_match": true,
      "topology_counts_match": false
    }
  },
  "features": [
    {
      "feature_id": "f_001",
      "source_name": "Front",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_002",
      "source_name": "Top",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_003",
      "source_name": "Right",
      "atomic_id": "reference_plane",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_004",
      "source_name": "BaseHead",
      "atomic_id": "revolve_add",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_005",
      "source_name": "HeadChamfer",
      "atomic_id": "chamfer",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_006",
      "source_name": "BaseBody",
      "atomic_id": "revolve_add",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_007",
      "source_name": "Cut-Revolve10",
      "atomic_id": "revolve_cut",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_008",
      "source_name": "LPattern10",
      "atomic_id": "pattern_linear",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_009",
      "source_name": "Cut-Revolve11",
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      "execution_status": "deferred",
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      "step_inferred_selector_count": 0
    },
    {
      "feature_id": "f_010",
      "source_name": "LPattern11",
      "atomic_id": "pattern_linear",
      "execution_status": "deferred",
      "unresolved": [],
      "step_inferred_selector_count": 0
    }
  ],
  "semantic_validation": {
    "schema_version": "1.1.0",
    "feature_count": 10,
    "sketch_count": 5,
    "deferred_feature_ids": [
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      "f_004",
      "f_003",
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      "f_007",
      "f_009",
      "f_008",
      "f_010"
    ],
    "unresolved": [],
    "future_rebuild_ready": true
  }
}