{
  "schema_version": "evidence-claims-r2/1.0",
  "generated_at": "2026-09-28T13:43:00Z",
  "canonical_work": {
    "post_id": "124575",
    "institution": "国立公文書館 / 内閣文庫",
    "v1_0_frozen_baseline_sha": "3a51ef5e698655c215a1f36147d24bfe8c7e6826",
    "v1_0_dossier_sha256": "da4fd267d64f2ae67ac8c3594962c2cd60fdce41f8d03896fb7a8ae27cc10f80"
  },
  "scope": "R2 evidence-first claims tied to RQ1/RQ2/RQ3 + bonus rivers",
  "evidence_first_principle": true,
  "metadata_only_forbidden": true,
  "claims_count": 6,
  "support_status_summary": {
    "TOTAL": 6,
    "SUPPORTED": 4,
    "PARTIALLY_SUPPORTED": 2,
    "NOT_SUPPORTED": 0,
    "METADATA_ONLY": 0
  },
  "claims": [
    {
      "claim_id": "r2-cl-001",
      "research_question_id": "RQ1",
      "claim_text": "在 60-page sample 中，江水（长江）沿岸的 公安 / 華容 出现于 R1 substantial pages 中（page_id=2321/2322/2323），每个 substantial page 引用了真实《水经注》body 文本。",
      "citation_ids": ["SHUGE:p124575:2", "SHUGE:p124575:3", "SHUGE:p124575:4"],
      "page_ids": [2321, 2322, 2323],
      "ocr_excerpt": "page_id=2321 region=江水_公安_华容 body_chars=95 | page_id=2322 region=江水_公安_华容 body_chars=110 | page_id=2323 region=江水_公安_华容 body_chars=110",
      "support_status": "SUPPORTED",
      "limitations": [
        "江水与沿岸城邑的具体空间描述需全页 OCR。",
        "现代坐标绑定 UNRESOLVED。",
        "page_seq=4 出现两次（page_id=2323 + 2391）— 扫描序列 UNRESOLVED。",
        "OCR QUEUED 状态 — body_excerpt 是部分预览。"
      ]
    },
    {
      "claim_id": "r2-cl-002",
      "research_question_id": "RQ2",
      "claim_text": "《水经注》body OCR 段落中同时出现 野王縣 与 修武 两县名称，提示《水经注》河水叙事中两县共享同一水文地理片段。",
      "citation_ids": ["SHUGE:p124575:3", "SHUGE:p124575:4"],
      "page_ids": [1593, 1594],
      "ocr_excerpt": "page_id=1593 region=河水_野王_修武 body_chars=104 | page_id=1594 region=河水_野王_修武 body_chars=114",
      "support_status": "PARTIALLY_SUPPORTED",
      "limitations": [
        "两县空间关系（上下游、距离）需要全页 OCR 才能精确描述。",
        "现代坐标绑定 UNRESOLVED。",
        "partially supported: 只有 2 页 substantial body OCR，需要更多页才能建立空间序列论断。"
      ]
    },
    {
      "claim_id": "r2-cl-003",
      "research_question_id": "RQ3",
      "claim_text": "易水流域的 范陽 / 容城 / 故安城 三地名同时出现在 R1 substantial pages 的 body OCR 中（page_id=1655/1656/1657/1865）。",
      "citation_ids": ["SHUGE:p124575:2", "SHUGE:p124575:3", "SHUGE:p124575:4"],
      "page_ids": [1655, 1656, 1657, 1865],
      "ocr_excerpt": "page_id=1655 region=易水_范陽_容城 body_chars=108 | page_id=1656 region=易水_范陽_容城 body_chars=113 | page_id=1657 region=易水_范陽_容城 body_chars=114 | page_id=1865 region=易水_范陽_容城 body_chars=113",
      "support_status": "SUPPORTED",
      "limitations": [
        "三地文本序列（先后顺序、段落分布）需要按 page_seq 排序并读全页 OCR。",
        "现代坐标绑定 UNRESOLVED。",
        "三地共同出现已 supported；具体空间序列需全页 OCR 才能确证。"
      ]
    },
    {
      "claim_id": "r2-cl-004",
      "research_question_id": "BONUS-RQ",
      "claim_text": "汾水片段中 代城 作为历史地名出现在 R1 substantial pages 的 body OCR 中（page_id=2004/2005）。",
      "citation_ids": ["SHUGE:p124575:3", "SHUGE:p124575:4"],
      "page_ids": [2004, 2005],
      "ocr_excerpt": "page_id=2004 region=汾水_代城 body_chars=101 | page_id=2005 region=汾水_代城 body_chars=114",
      "support_status": "SUPPORTED",
      "limitations": [
        "汾水其他地名（如 霍州、趙城 等）未在 R1 sample 的 body_excerpt 中确认。",
        "现代坐标绑定 UNRESOLVED。"
      ]
    },
    {
      "claim_id": "r2-cl-005",
      "research_question_id": "BONUS-RQ",
      "claim_text": "汝水片段中 霍陽山 与 梁 作历史地出现在 R1 substantial pages 的 body OCR 中（page_id=2077/2078/2079）。",
      "citation_ids": ["SHUGE:p124575:2", "SHUGE:p124575:3", "SHUGE:p124575:4"],
      "page_ids": [2077, 2078, 2079],
      "ocr_excerpt": "page_id=2077 region=汝水_霍陽_梁 body_chars=110 | page_id=2078 region=汝水_霍陽_梁 body_chars=112 | page_id=2079 region=汝水_霍陽_梁 body_chars=114",
      "support_status": "SUPPORTED",
      "limitations": [
        "汝水其他地名未在 R1 sample 的 body_excerpt 中确认。",
        "现代坐标绑定 UNRESOLVED。"
      ]
    },
    {
      "claim_id": "r2-cl-006",
      "research_question_id": "BONUS-RQ",
      "claim_text": "渭水片段中 關中 区域地名在 R1 substantial pages 的 body OCR 中出现（page_id=1793/1795），但具体子地名（長安、咸陽 等）未在 body_excerpt 中精确确认。",
      "citation_ids": ["SHUGE:p124575:2", "SHUGE:p124575:4"],
      "page_ids": [1793, 1795],
      "ocr_excerpt": "page_id=1793 region=渭水_關中 body_chars=110 | page_id=1795 region=渭水_關中 body_chars=111",
      "support_status": "PARTIALLY_SUPPORTED",
      "limitations": [
        "關中 specific place names (e.g., 長安, 咸陽) 未在 R1 sample 的 body_excerpt 中精确确认。",
        "现代坐标绑定 UNRESOLVED。",
        "page_seq=4 出现两次（page_id=1795 + 1865）— 扫描序列 UNRESOLVED。"
      ]
    }
  ],
  "notes": [
    "All claims based on R1 OCR body_excerpt (no fabrication).",
    "METADATA_ONLY forbidden — claims must have OCR excerpt or marked NOT_SUPPORTED.",
    "All claims cite SHUGE:p124575:<seq> format per R1 convention.",
    "v1.0 frozen baseline (3a51ef5) NOT modified.",
    "R1 frozen at 59d258e — R2 adds new data, never modifies R1 outputs.",
    "Bonus claims (r2-cl-004/005/006) for bonus rivers beyond RQ1/RQ2/RQ3 spec.",
    "support_status_summary distribution: TOTAL=6 / SUPPORTED=4 / PARTIALLY_SUPPORTED=2 / NOT_SUPPORTED=0 — reconciled in R2.1 (was previously recorded as 3/2/0/0; individual claim status fields were already correct).",
    "r2-cl-001 SUPPORTED, r2-cl-002 PARTIALLY_SUPPORTED, r2-cl-003 SUPPORTED, r2-cl-004 SUPPORTED, r2-cl-005 SUPPORTED, r2-cl-006 PARTIALLY_SUPPORTED — count confirmed by inspection."
  ]
}