{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "After short ignition tests, the preburner for the Huaguang-1 engine has passed a long-duration firing, a key component step before full-engine hot-fire testing.",
  "desk": "technology",
  "event_id": "event-b8162a115abfa7ff54a07663",
  "evidence_groups": [
    {
      "group_id": "pandaily-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "pandaily"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "pandaily-editorial",
      "item_id": "item-13dd622e715d38b8ac8b84bf",
      "published_at": "2026-10-16T03:07:27Z",
      "role": "media",
      "source_id": "pandaily",
      "source_name": "Pandaily",
      "title": "Huaguang-1 Full-Flow Methalox Engine Preburner Completes Long-Duration Hot-Fire Test",
      "url": "https://pandaily.com/huaguang-1-full-flow-staged-combustion-methalox-engine-preburner-long-duration-test",
      "version_id": "itemv-776159aa0c69f387d979fec6"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "Huaguang-1 Full-Flow Methalox Engine Preburner Completes Long-Duration Hot-Fire Test",
  "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-c7eab9cfd9fdec56c9cdb093"
  },
  "published_at": "2026-10-16T03:07:27Z",
  "reported_facts": [
    {
      "attribution": "Pandaily",
      "evidence_item_id": "item-13dd622e715d38b8ac8b84bf",
      "published_at": "2026-10-16T03:07:27Z",
      "statement": "Pandaily published “Huaguang-1 Full-Flow Methalox Engine Preburner Completes Long-Duration Hot-Fire Test”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-10-16T03:07:27Z",
  "url": "https://palimpsest.info/news/wire/event-b8162a115abfa7ff54a07663/",
  "version_id": "eventv-c7eab9cfd9fdec56c9cdb093"
}