{
  "id": "CHG-0249",
  "schema_version": "1.0.0",
  "case_id": "DD-Able-CZ-2026-07-17",
  "from_snapshot_id": "able-cz-public-2026-07-17-r03",
  "to_snapshot_id": "able-cz-public-2026-07-17-r04",
  "change_kind": "changed",
  "change_type": "SOURCE_AVAILABILITY_CHANGED",
  "object_type": "source",
  "object_id": "SRC-03",
  "old_revision_id": "SRC-03@e5eee7da8a64f10a",
  "new_revision_id": "SRC-03@0a715283887c33f1",
  "field_changes": [
    {
      "field": "kind",
      "kind": "value",
      "previous": "company register",
      "current": "company register mirror (aggregator; NOT a direct register fetch — the 2026-07-17 pass mislabelled this tier 1, corrected 2026-07-18; primary register facts now come from SRC-12 ARES artifacts)"
    },
    {
      "field": "tier",
      "kind": "value",
      "previous": 1,
      "current": 2
    },
    {
      "field": "title",
      "kind": "value",
      "previous": "Czech public register / ARES (via justice.cz-sourced mirrors: kurzy.cz, penize.cz, podnikatel.cz)",
      "current": "Company-register mirrors, first identity pass (kurzy.cz, penize.cz, podnikatel.cz — republishing or.justice.cz data)"
    },
    {
      "field": "url",
      "kind": "value",
      "previous": "https://or.justice.cz/ias/ui/rejstrik-$firma?ico=24278815",
      "current": "https://rejstrik-firem.kurzy.cz/24278815/"
    }
  ],
  "effective_at": null,
  "effective_time_precision": "UNKNOWN",
  "effective_time_source": null,
  "observed_at": "2026-07-17",
  "observed_at_basis": "source.retrievedAt",
  "observed_no_later_than": "2026-07-17",
  "published_at": "2026-07-18T07:59:27+02:00",
  "materiality": "MEDIUM",
  "epistemic_impact": "NO_EPISTEMIC_CHANGE",
  "category": "KNOWLEDGE_CHANGE",
  "resolved_by": null,
  "successor_object_id": null,
  "predecessor_object_id": null,
  "requires_revalidation": true,
  "public_summary": "Zdroj SRC-03: změna dostupnosti/URL.",
  "technical_summary": "changed source SRC-03 fields=[kind,tier,title,url]",
  "source_ids": [],
  "evidence_ids": [],
  "affected_claim_ids": [],
  "affected_routes": [
    "/dossier/changes/"
  ],
  "public_route": "/dossier/changes/chg-0249/"
}