{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-09-10T12:47:51.616Z",
  "page": {
    "slug": "ingredients/cod",
    "title": "Cod",
    "description": null,
    "page_type": "ingredient",
    "audience": [
      "regulator",
      "educator",
      "consumer",
      "app"
    ],
    "canonical_url": "https://heavymetalindex.com/ingredients/cod",
    "wiki_doi": null
  },
  "content_pin": {
    "status": "preserved_verified_git",
    "reason": null,
    "content_hash_scheme": "sha256-utf8-authored-markdown-v2",
    "content_hash_description": "Strip leading YAML; remove only generated hmi-page-history and hmi-page-references marker blocks; trim trailing whitespace and append one LF. Other Markdown bytes are preserved.",
    "content_sha256": "4ba34c163cb49c157618127aaf693d4fe4ac1a6ddfcd244ee665f4b34e54a66a",
    "content_bytes": 2585,
    "metadata_sha256": "afcfb9e306a311ca8c05b5736df36eeef513edb835b3763fa834a226a928bc5d",
    "metadata_hash_description": "SHA-256 of recursively key-sorted JSON from parsed YAML, excluding updated and numeric sources (generated display metadata). All other frontmatter fields are included.",
    "published_body_sha256": "0c354c7c0cd90a106454e0dbb877230630e2a1343551e7507cdc6ead331f762f",
    "published_body_bytes": 3510,
    "published_checksum_note": "Published-body and full-Markdown checksums describe the build input, including generated display sections. They are not claimed to equal the Git revision's display sections.",
    "markdown_sha256": "87e8e14efa2c36122757909fc32821dc4239da2743603fa991d7efb8a070bbdd",
    "markdown_bytes": 5238,
    "git_commit_sha": "d92be2f7aa6a0e0323c8909a017d26a1f0883b86",
    "last_commit_sha": "5552206e60d4a0b568d15a388b5589d7a469d871",
    "last_commit_date": "2026-09-10",
    "git_remote": "https://github.com/paleofoundation/heavymetalindex",
    "verify_command": "node tools/verify-evidence-packet.mjs --commit d92be2f7aa6a0e0323c8909a017d26a1f0883b86 --slug ingredients/cod --sha256 4ba34c163cb49c157618127aaf693d4fe4ac1a6ddfcd244ee665f4b34e54a66a --metadata-sha256 afcfb9e306a311ca8c05b5736df36eeef513edb835b3763fa834a226a928bc5d"
  },
  "contributing_sources": [
    "sources/fda2022-tds-elements-fy2018-fy2020"
  ],
  "data_downloads": [],
  "ingest_contract": null,
  "license": {
    "prose": "CC BY 4.0",
    "structured_data": "EU database rights reserved — see https://heavymetalindex.com/licensing",
    "attribution": "Heavy Metal Index (heavymetalindex.com), Institute of Contaminant Standards. Cite canonical_url or wiki_doi.",
    "contact": "karen@paleofoundation.com"
  },
  "attestation": {
    "for_use": "Citation, regulatory submission, or peer-review supplementary record.",
    "verifiable_by": "The verify_command checks the authored Markdown and semantic frontmatter against the named Git revision using the documented canonical hash scheme. Generated history and reference blocks are excluded from that pin; separate published checksums include them.",
    "not_a_certification": "This manifest records publication provenance. It does not certify products or independently validate the page's scientific claims.",
    "license_terms": "https://heavymetalindex.com/licensing"
  },
  "generated_at": "2026-09-10T12:03:10.234Z"
}