{
  "schemaVersion": 1,
  "policyId": "mde-external-package-v1",
  "dateModified": "2026-08-06",
  "description": "Deterministic release packaging for public authority records and an optional embedding interchange manifest. Embeddings are experimental interoperability assets, never canonical truth and never represented as a ranking mechanism.",
  "sources": {
    "aiManifest": "research/data/ai-ingestion-manifest.json",
    "claims": "research/data/claims.jsonl",
    "concepts": "research/data/concepts.jsonld",
    "questions": "research/data/questions.jsonl",
    "citations": "research/data/citation-authority.json",
    "benchmark": "research/data/answer-engine-benchmark.json",
    "status": "status/content-integrity.json"
  },
  "release": {
    "name": "ARC-Eden public authority corpus",
    "version": "2026-08-06",
    "licence": "https://creativecommons.org/licenses/by/4.0/",
    "formats": ["json", "jsonl", "jsonld", "csl-json", "bibtex", "ris", "cff", "txt"],
    "externalDestinations": ["OSF", "Zenodo", "Hugging Face"],
    "automaticUpload": false
  },
  "embeddings": {
    "enabled": false,
    "status": "experimental-not-generated",
    "requiredBeforeEnable": [
      "embedding model and immutable version selected",
      "provider licence and redistribution terms reviewed",
      "chunk policy frozen",
      "private and withheld text exclusion verified",
      "retrieval evaluation demonstrates benefit over lexical baseline",
      "full vector dimension and normalisation policy recorded"
    ],
    "canonicalTextRemainsAuthoritative": true,
    "acceptedInterchangeFormats": ["jsonl", "parquet", "sqlite-vec"],
    "forbidOpaqueChromaDatabaseAsSoleExport": true
  },
  "outputs": {
    "releaseManifest": "research/releases/latest/manifest.json",
    "datasetCard": "research/releases/latest/DATASET_CARD.md",
    "checksums": "research/releases/latest/SHA256SUMS",
    "embeddingManifest": "research/releases/latest/embeddings.json"
  }
}
