{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "China has flown an airborne wind energy system to 4,000 metres (13,123 feet) above sea level and generated electricity from the sky, in what state broadcaster CCTV described as a world first. According to a CCTV report on Saturday, the prototype S4000 craft completed a full work cycle – ascent, station-keeping, power g",
  "desk": "economy",
  "event_id": "event-da3d6a346de187b71905c82f",
  "evidence_groups": [
    {
      "group_id": "south-china-morning-post-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "scmp-china-economy"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "south-china-morning-post-editorial",
      "item_id": "item-f74cbe509d0c61066d951e7a",
      "published_at": "2026-08-25T08:00:11Z",
      "role": "media",
      "source_id": "scmp-china-economy",
      "source_name": "South China Morning Post — China Economy",
      "title": "China taps high-altitude winds for power generation by flying craft to 4,000m",
      "url": "https://www.scmp.com/economy/china-economy/article/3365180/china-taps-high-altitude-winds-power-generation-flying-craft-4000m",
      "version_id": "itemv-eaa058ae6b443b4dcc558aa8"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "China taps high-altitude winds for power generation by flying craft to 4,000m",
  "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-8b288f871e7a135eb728a807"
  },
  "published_at": "2026-08-25T08:00:11Z",
  "reported_facts": [
    {
      "attribution": "South China Morning Post — China Economy",
      "evidence_item_id": "item-f74cbe509d0c61066d951e7a",
      "published_at": "2026-08-25T08:00:11Z",
      "statement": "South China Morning Post — China Economy published “China taps high-altitude winds for power generation by flying craft to 4,000m”."
    }
  ],
  "topics": [
    "economy"
  ],
  "updated_at": "2026-08-25T08:00:11Z",
  "url": "https://palimpsest.info/news/wire/event-da3d6a346de187b71905c82f/",
  "version_id": "eventv-8b288f871e7a135eb728a807"
}