{
  "generated": "2026-06-28T15:19:42.975469+00:00",
  "algorithm": "sha256",
  "entities": 934,
  "snapshots": 4239,
  "dataset_hash": "99ddc3646ecf26f948390f81dacb1fc250f30b851e445ab9558e01198ff6b9c8",
  "chain_head": "5b94d7ca3c46949cd5ccb3bba8521a7c2665a4b4f29696d74cf6b90c5076b4a9",
  "method": "Every record is cross-checked across independent sources (Wikidata, Wikipedia, MusicBrainz, OpenStreetMap, TMDB, KTO), identity- and hallucination-guarded, and Skill-scored. The history (snapshots.jsonl) is append-only and hash-chained; the chain_head is committed each build, so altered history is detectable.",
  "verify": "Per record: content_hash = SHA-256 of the canonical-JSON verified core (entity_id, kind, name{ko,en_official,romanized}, summary_en, summary_ko, data, skill_score@4dp, agreeing_sources, sources with the trailing ' YYYY-MM-DD HH:MM UTC' removed; JSON sort_keys, separators (',',':')). dataset_hash = SHA-256 of the sorted content_hashes joined. Recompute from latest.json to verify.",
  "note": "Tamper-evidence via a published, git-committed head — not external notarization (a future step).",
  "log": "https://kwangdol-star.github.io/koreaapi/integrity-log.jsonl",
  "anchor": "each build appends this head to a public, append-only, git-committed log (GitHub-timestamped); altering a past head requires rewriting public git history. External notarization (e.g. OpenTimestamps) is an optional next step."
}