{
  "schema": "velin.export-index/1",
  "current_revision": "R073",
  "effective_at": "2026-11-13T19:10:00Z",
  "history": {
    "format": "git-bundle",
    "url": "/catalog/exports/velin-catalogue.bundle",
    "bytes": 2382,
    "sha256": "739d22f816c7fcf0b3f6f5ac6a6ca94d612d601e88f135b1a95aa2e4f989cc58"
  },
  "note": "Historical snapshots retain their own effective dates in export.json."
}