{
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    "relation": "topic-surface-only",
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  "dek": "中新网北京9月9日电 (记者 孙自法)中国科协“科学家精神和科学文化出版工程”重点图书——《以身许国酬华年：杜祥琬传》，9月9日下午在国家科技传播中心举行新书发布仪式，中国工程院院士、核物理工程技术专家和强激光与能源战略科学家杜祥琬现场见证并参加对谈交流。",
  "desk": "rights",
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      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "聚焦科学家“以身许国酬华年 ” 《杜祥琬传》新书在北京发布",
      "url": "https://www.chinanews.com.cn/gn/2026/09-09/10693488.shtml",
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  "evidence_strength": "single-source",
  "headline": "聚焦科学家“以身许国酬华年 ” 《杜祥琬传》新书在北京发布",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
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  "reported_facts": [
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      "attribution": "China News Service",
      "evidence_item_id": "item-6037f92507c29fe614e24ede",
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  "url": "https://palimpsest.info/news/wire/event-90556bee5fc890b266f44afb/",
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