{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网北京11月15日电 (记者 徐婧)据北京市城市管理委介绍，11月15日起，北京正式供热。2026年至2027年采暖季，北京城镇地区供热面积约10.83亿平方米。其中，居民供热面积约7.15亿平方米、约690万户，备案供热单位1110余家。",
  "desk": "rights",
  "event_id": "event-b02f3dc05f9f388f2a7e5eae",
  "evidence_groups": [
    {
      "group_id": "china-news-service-state-media",
      "roles": [
        "media"
      ],
      "source_ids": [
        "china-news-service-finance"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "china-news-service-state-media",
      "item_id": "item-1e9d49faab1fbedc40ce1aaf",
      "published_at": "2026-11-15T06:59:12Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "北京正式供热 多项措施提升供热服务保障水平",
      "url": "https://www.chinanews.com.cn/cj/2026/11-15/10732337.shtml",
      "version_id": "itemv-b6a51b6c704927b0db3a32df"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "北京正式供热 多项措施提升供热服务保障水平",
  "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."
  ],
  "mutation": {
    "kind": "unchanged",
    "previous_version_id": "eventv-8f61d7c745c6bcb3c4a27760"
  },
  "published_at": "2026-11-15T06:59:12Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-1e9d49faab1fbedc40ce1aaf",
      "published_at": "2026-11-15T06:59:12Z",
      "statement": "China News Service published “北京正式供热 多项措施提升供热服务保障水平”."
    }
  ],
  "topics": [
    "economy",
    "rights",
    "technology"
  ],
  "updated_at": "2026-11-15T06:59:12Z",
  "url": "https://palimpsest.info/news/wire/event-b02f3dc05f9f388f2a7e5eae/",
  "version_id": "eventv-8f61d7c745c6bcb3c4a27760"
}