{
  "schema_version": "1.0",
  "article": "ai-autonomous-verification-lung-evidence-20261005",
  "published_date": "2026-10-05",
  "study_type": "exploratory internal engineering replay; not clinical performance evaluation",
  "analysis_units": {
    "ct_entries": 5,
    "structure_entries": 15,
    "distinct_perturbations": 87,
    "unchanged_controls": 33,
    "replayed_scenarios": 120,
    "external_holdout": false,
    "patient_level_independence_externally_verified": false
  },
  "sources": {
    "R12": {
      "run": "20261004T084149-87ce8904"
    },
    "R13": {
      "run": "20261004T093755-b5c797d5",
      "version": "0.13.1"
    },
    "R14": {
      "run": "20261004T095633-ca9d7144"
    },
    "R15": {
      "run": "20261004T121418-c1838d95",
      "version": "0.15.1",
      "fingerprint_sha256": "dbdf14b1117969f100d48999b7b43958820164c4391bdb707a00ff1d03531649"
    }
  },
  "axis_reencoding": {
    "ct_entries": 1,
    "structures": 3,
    "signed_encodings_each": 48,
    "fresh_canonical_thinning_runs": 144,
    "identical_compared_outputs": 144,
    "arbitrary_rotations_tested": false
  },
  "perturbation_results": {
    "caption": "表1　同一批120个场景中的变化计数。覆盖／链几何／退缩采用R14账本，图边／孤点采用R15账本；各列非互斥。",
    "columns": [
      "场景",
      "数量",
      "原域覆盖变化",
      "有支持的链几何变化",
      "图边／孤点变化",
      "原Mask末端退缩"
    ],
    "rows": [
      [
        "局部缺损",
        "21",
        "21",
        "3",
        "21",
        "0"
      ],
      [
        "跨域假桥",
        "15",
        "15",
        "4",
        "15",
        "0"
      ],
      [
        "末端缩短",
        "45",
        "45",
        "39",
        "39",
        "45"
      ],
      [
        "无骨架域移除",
        "6",
        "6",
        "0",
        "0",
        "0"
      ],
      [
        "零变化对照",
        "33",
        "0",
        "0",
        "0",
        "0"
      ]
    ]
  },
  "original_graph": {
    "maximal_chains": 24453,
    "degree_at_least_3_nodes": 13126,
    "adjacent_junction_clusters": 6794
  },
  "unresolved_baseline_chain_records": {
    "total": 46,
    "one_to_many": 22,
    "many_to_one": 6,
    "many_to_one_groups": 3,
    "previous_shared_support_insufficient": 7,
    "without_shared_edges": 11,
    "anatomical_matches_established": false
  },
  "candidate_residual_chains": {
    "without_shared_edges": 9240,
    "entirely_inside_junction_clusters": 9221,
    "cluster_adjacent_to_supported_groups": 9238,
    "four_outliers_total": 9197,
    "counting_unit": "chain entries accumulated across paired scenarios, not distinct anatomical branches"
  },
  "dense_cluster_outliers": {
    "caption": "表3　4个密集残余场景；EXT为研究条目别名。距离为新增骨架点到被删Mask体素的最大最近距离。",
    "columns": [
      "研究条目／结构",
      "无共享边残余链",
      "最大分叉簇节点",
      "最大距离（mm）",
      "重新细化"
    ],
    "rows": [
      [
        "EXT-02／气道",
        "2,775",
        "720",
        "8.66",
        "复现"
      ],
      [
        "EXT-03／气道",
        "1,596",
        "418",
        "7.82",
        "复现"
      ],
      [
        "EXT-03／动脉",
        "2,390",
        "615",
        "6.25",
        "复现"
      ],
      [
        "EXT-04／气道",
        "2,436",
        "628",
        "7.36",
        "复现"
      ]
    ]
  },
  "baseline_source_binding": {
    "dicom_slices": 470,
    "voxels": 123207680,
    "unsigned_source_pixel_mismatches": 0,
    "signed_reinterpretation_inference_mismatches": 0,
    "maximum_physical_position_error_mm": 4.88446266e-07,
    "strict_metadata_to_inference_mismatched_voxels": 100268016,
    "intensity_status": "UNRESOLVED_UNSIGNED_METADATA_CONFLICT"
  },
  "limitations": [
    "Same historical project; previously used additional CTs",
    "No independent anatomical reference standard",
    "No clinical sensitivity or specificity estimates",
    "No human net-workload measurements",
    "R15 replays stored skeletons; fresh thinning only for four dense outliers",
    "No patient identifiers, medical arrays or individual coordinates in this public file"
  ]
}