{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网济南11月10日电(周艺伟 郭美丽)据山东省地质矿产勘查开发局(以下简称“山东省地矿局”)11月10日消息，日前投用的中国地矿领域首台全自动化钻机——ZJ50DB/XD70DB，将中国深部岩芯钻探的最大深度提升至7000米级。该设备由山东省地矿局第六地质大队联合中国地质装备集团有限公司研制，在四川省甘孜藏族自治州鲜水河断裂带科研钻探项目现场起塔投用。",
  "desk": "economy",
  "event_id": "event-c03dc5ba1d75655028a06b0b",
  "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-b7731bcdf08e8c409530d6bf",
      "published_at": "2026-11-10T14:02:16Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "中国地矿领域首台全自动化钻机在川西高原投用",
      "url": "https://www.chinanews.com.cn/cj/2026/11-10/10729835.shtml",
      "version_id": "itemv-3fbdb436abc6ea8fb87a1fa5"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "中国地矿领域首台全自动化钻机在川西高原投用",
  "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-771b27d15aa894f6d0eb29ab"
  },
  "published_at": "2026-11-10T14:02:16Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-b7731bcdf08e8c409530d6bf",
      "published_at": "2026-11-10T14:02:16Z",
      "statement": "China News Service published “中国地矿领域首台全自动化钻机在川西高原投用”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-11-10T14:02:16Z",
  "url": "https://palimpsest.info/news/wire/event-c03dc5ba1d75655028a06b0b/",
  "version_id": "eventv-771b27d15aa894f6d0eb29ab"
}