{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网上海11月1日电 (李姝徵 杨海燕 郑莹莹)2026世界顶尖科学家论坛于10月30日至11月1日在上海举行。会场内外，中外科学家交流研究进展，也从生产工序、临床需求中寻找共同探索的课题。",
  "desk": "politics",
  "event_id": "event-ddb609879438e5d116e96d9e",
  "evidence_groups": [
    {
      "group_id": "china-news-service-state-media",
      "roles": [
        "media"
      ],
      "source_ids": [
        "china-news-service-politics"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "china-news-service-state-media",
      "item_id": "item-b7f502b8cbc14a3b3db2c1f6",
      "published_at": "2026-11-01T03:31:27Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "海外科学家上海聚首 寻找合作新课题",
      "url": "https://www.chinanews.com.cn/gn/2026/11-01/10724213.shtml",
      "version_id": "itemv-5500131ca844208af2a37a6f"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "海外科学家上海聚首 寻找合作新课题",
  "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-49841594156af93b96a879aa"
  },
  "published_at": "2026-11-01T03:31:27Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-b7f502b8cbc14a3b3db2c1f6",
      "published_at": "2026-11-01T03:31:27Z",
      "statement": "China News Service published “海外科学家上海聚首 寻找合作新课题”."
    }
  ],
  "topics": [
    "government",
    "measurement",
    "politics"
  ],
  "updated_at": "2026-11-01T03:31:27Z",
  "url": "https://palimpsest.info/news/wire/event-ddb609879438e5d116e96d9e/",
  "version_id": "eventv-49841594156af93b96a879aa"
}