{
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    "relation": "topic-surface-only",
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  "dek": "中新网北京11月4日电 2027年度“北京普惠健康保”4日正式开放参保。产品是由北京市医疗保障局、中共北京市委金融委员会办公室共同指导，国家金融监督管理总局北京监管局严格监督的普惠型商业补充医疗保险产品，坚决贯彻落实《全民医疗保障“十五五”规划》关于大力推动商业医疗保险发展、健全多层次医疗保障体系的要求，六年来始终坚持普惠定位，紧密衔接基本医疗保险，减轻市民就医负担。",
  "desk": "politics",
  "event_id": "event-976ed784b8d8e36d801d1af1",
  "evidence_groups": [
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      "group_id": "china-news-service-state-media",
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      "item_id": "item-66eadbc0e147f184034ad04c",
      "published_at": "2026-11-04T14:19:41Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "2027年度“北京普惠健康保”开放参保 新增前沿药品17种",
      "url": "https://www.chinanews.com.cn/gn/2026/11-04/10726305.shtml",
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  "headline": "2027年度“北京普惠健康保”开放参保 新增前沿药品17种",
  "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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  "mutation": {
    "kind": "unchanged",
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  "reported_facts": [
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      "evidence_item_id": "item-66eadbc0e147f184034ad04c",
      "published_at": "2026-11-04T14:19:41Z",
      "statement": "China News Service published “2027年度“北京普惠健康保”开放参保 新增前沿药品17种”."
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  "updated_at": "2026-11-04T14:19:41Z",
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}