{
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    "relation": "topic-surface-only",
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  "dek": "For generations, Ulanqab – a city several hundred kilometres northwest of Beijing whose Mongolian name means “red cliff pass” – was known for its windswept pastureland, where cattle grazed and potatoes thrived under long hours of sunlight. Its economy hinged on the weather, driven by the cool, strong breezes sweeping t",
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      "item_id": "item-b2cdec3b6495965850039ddd",
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      "role": "media",
      "source_id": "scmp-china-economy",
      "source_name": "South China Morning Post — China Economy",
      "title": "A rural city, once known for livestock, now provides China’s AI computing fuel",
      "url": "https://www.scmp.com/tech/tech-trends/article/3364920/rural-city-once-known-livestock-now-provides-chinas-ai-computing-fuel",
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  "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.",
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  "mutation": {
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  "published_at": "2026-08-24T02:00:17Z",
  "reported_facts": [
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      "attribution": "South China Morning Post — China Economy",
      "evidence_item_id": "item-b2cdec3b6495965850039ddd",
      "published_at": "2026-08-24T02:00:17Z",
      "statement": "South China Morning Post — China Economy published “A rural city, once known for livestock, now provides China’s AI computing fuel”."
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  "updated_at": "2026-08-24T02:00:17Z",
  "url": "https://palimpsest.info/news/wire/event-37e72e8a11fd1fbec2c7f5c2/",
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