{
  "report_version": "ocme-question-factory-validation-v0.1",
  "batch_id": "batch-20260912-geometry-foundations",
  "checked_at": "2026-09-13",
  "verifier": {
    "file": "verify-batch.mjs",
    "schema_source": "schemas/question-v0.1.schema.json",
    "answer_method": "independent parameter recomputation"
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  "outcome": "passed",
  "counts": {
    "total": 100,
    "by_source_mko": {
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      "mko-euclidean-length": 30,
      "mko-right-triangle": 30
    },
    "unique_ids": 100,
    "unique_seeds": 100,
    "unique_stems": 100,
    "exact_stem_duplicate_rate": 0
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  "presentation_checks": {
    "negative_squared_terms_parenthesized": true
  },
  "source_mko_presence": {
    "mko-euclid-pythagorean-theorem": true,
    "mko-euclidean-length": true,
    "mko-right-triangle": true
  },
  "source_mko_snapshot_hash_match": {
    "mko-euclidean-length": true,
    "mko-right-triangle": true,
    "mko-euclid-pythagorean-theorem": true
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  "batch_sha256": "818fc9bd154b15a97199c437c5345260e55307eada85586bf547e52c4ae518dc",
  "manifest_hash_match": true,
  "limitations_zh": "本報告只驗證有限題目的結構與參數化答案；不等同於相關幾何定義或畢達哥拉斯定理的普遍證明，也不表示人工審查或發布核准。",
  "errors": []
}