{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新社郑州9月15日电 (张楠)中国自主研发的MCV数值模式(原创高精度可扩展多矩大气模式)15日在河南郑州发布，其依托中国首个全国产十万卡AI超集群“曙光8000”，实现1小时内完成全球5公里分辨率、未来10天的天气预报计算。",
  "desk": "technology",
  "event_id": "event-afc6e1c79c9df06bf86a7d1f",
  "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-c206816fdd6892dbfaea152d",
      "published_at": "2026-09-15T12:01:55Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "中国自主研发MCV数值模式：1小时内完成全球5公里10天天气预报",
      "url": "https://www.chinanews.com.cn/gn/2026/09-15/10697052.shtml",
      "version_id": "itemv-983e519c8fe432932f878e50"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "中国自主研发MCV数值模式：1小时内完成全球5公里10天天气预报",
  "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-d007bb5fc4d94dccd272d5f2"
  },
  "published_at": "2026-09-15T12:01:55Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-c206816fdd6892dbfaea152d",
      "published_at": "2026-09-15T12:01:55Z",
      "statement": "China News Service published “中国自主研发MCV数值模式：1小时内完成全球5公里10天天气预报”."
    }
  ],
  "topics": [
    "government",
    "politics",
    "technology"
  ],
  "updated_at": "2026-09-15T12:01:55Z",
  "url": "https://palimpsest.info/news/wire/event-afc6e1c79c9df06bf86a7d1f/",
  "version_id": "eventv-d007bb5fc4d94dccd272d5f2"
}