{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "中新网西安11月5日电 (阿琳娜 魏梦鸽 张学冰)从一篇篇论文到一件件产品，从埋头攻关的实验室到“开疆拓土”的生产线，从一片普通的荷叶到超疏自洁的涂层……西北大学化工学院教授胡军带领团队研发出防黏附纳米功能涂层，让“出淤泥而不染”从一片荷叶走进工厂、油田和航天器。",
  "desk": "politics",
  "event_id": "event-6df8446540afe9938dab7826",
  "evidence_groups": [
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      "item_id": "item-eed551881096b78c7d36ab6b",
      "published_at": "2026-11-05T15:17:01Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "潜心科研聚力转化 西大团队让超疏自洁涂层“走出”实验室",
      "url": "https://www.chinanews.com.cn/gn/2026/11-05/10726950.shtml",
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  "headline": "潜心科研聚力转化 西大团队让超疏自洁涂层“走出”实验室",
  "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.",
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  "mutation": {
    "kind": "unchanged",
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  "reported_facts": [
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      "evidence_item_id": "item-eed551881096b78c7d36ab6b",
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