{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网陕西榆林9月16日电 (阿琳娜 马周瑞 戴榕梓)第二十届榆林国际煤博会、第四届西部氢能博览会15日落下帷幕。本次展会能级再攀新高，经贸合作实现量质齐升，智力支撑与技术成果同步落地，为榆林加快建设世界一流高端能源化工基地注入了强劲动能。",
  "desk": "technology",
  "event_id": "event-03a1d5df3019b46577f4d0fa",
  "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-a675d6094c0bffd60099d0aa",
      "published_at": "2026-09-16T06:06:14Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "第二十届榆林国际煤博会、第四届西部氢能博览会闭幕",
      "url": "https://www.chinanews.com.cn/cj/2026/09-16/10697454.shtml",
      "version_id": "itemv-d63e8ee4d70e26c33af095fe"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "第二十届榆林国际煤博会、第四届西部氢能博览会闭幕",
  "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-b9585204ac85f3484500d85b"
  },
  "published_at": "2026-09-16T06:06:14Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-a675d6094c0bffd60099d0aa",
      "published_at": "2026-09-16T06:06:14Z",
      "statement": "China News Service published “第二十届榆林国际煤博会、第四届西部氢能博览会闭幕”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-09-16T06:06:14Z",
  "url": "https://palimpsest.info/news/wire/event-03a1d5df3019b46577f4d0fa/",
  "version_id": "eventv-b9585204ac85f3484500d85b"
}