{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网黑河9月6日电 (王琳 宫玉忠)9月5日至6日，第二届高品质肉牛全产业链发展大会暨第四届孙吴安格斯肉牛产业创新发展会议在黑河市举行，汇聚全国肉牛行业的政、产、学、研、企各方力量500余人，共探高端肉牛产业发展新机遇，擘画寒地肉牛产业高质量发展新蓝图。",
  "desk": "economy",
  "event_id": "event-74e7c6e73555f1e6559be5da",
  "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-efc2142fa926eb5256d5f42d",
      "published_at": "2026-09-06T05:28:39Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "第二届高品质肉牛全产业链发展大会在黑河举行",
      "url": "https://www.chinanews.com.cn/cj/2026/09-06/10691344.shtml",
      "version_id": "itemv-af475d4db900f3f2d3afae10"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "第二届高品质肉牛全产业链发展大会在黑河举行",
  "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-ed2773f63c6e91d2031d6d44"
  },
  "published_at": "2026-09-06T05:28:39Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-efc2142fa926eb5256d5f42d",
      "published_at": "2026-09-06T05:28:39Z",
      "statement": "China News Service published “第二届高品质肉牛全产业链发展大会在黑河举行”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-09-06T05:28:39Z",
  "url": "https://palimpsest.info/news/wire/event-74e7c6e73555f1e6559be5da/",
  "version_id": "eventv-ed2773f63c6e91d2031d6d44"
}