{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-09-26T02:10:29.968Z",
  "page": {
    "slug": "ingredients/pasta",
    "title": "Pasta",
    "description": null,
    "page_type": "ingredient",
    "audience": [
      "regulator",
      "educator",
      "consumer",
      "app"
    ],
    "canonical_url": "https://heavymetalindex.com/ingredients/pasta",
    "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": "f5cf5def82c2df7c1afbbdc0384b2a969debb52a3ca7bd94d273f71c1c90e130",
    "content_bytes": 16590,
    "metadata_sha256": "90aa74699522d579cd90e0b3f788d75274a014cb8755f7213e68a2d4d4dcd096",
    "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": "9a9abad3553548f883c8b4bc148663e9e0a3ee2f8b49fdc3a9999dfc90ec8fbe",
    "published_body_bytes": 18784,
    "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": "9a265f6ff81c06585b61bbb8a04efd0515849df051a6bba2f6cdbde324c88fb5",
    "markdown_bytes": 20767,
    "git_commit_sha": "70e164c26892e9564cf209039385a2a03079e1e1",
    "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 70e164c26892e9564cf209039385a2a03079e1e1 --slug ingredients/pasta --sha256 f5cf5def82c2df7c1afbbdc0384b2a969debb52a3ca7bd94d273f71c1c90e130 --metadata-sha256 90aa74699522d579cd90e0b3f788d75274a014cb8755f7213e68a2d4d4dcd096"
  },
  "contributing_sources": [
    "sources/fda2022-tds-elements-fy2018-fy2020",
    "sources/fera2015-uk-tds-metals",
    "sources/fsa2016-infant-food-formula-metals-survey",
    "sources/hernandez2019-cr-vi-cr-iii-milk-dairy-cereal-france",
    "sources/jakkielska2023-noodles-toxic-metals",
    "sources/kongta2023-noodle-products-aluminum-thailand",
    "sources/maccaferri2019-durum-wheat-genome-cadmium",
    "sources/mania2020-nickel-cereal-grains-poland",
    "sources/masri2025-toxicant-foods-california",
    "sources/salaheldin2025-multimatrix-foods-egypt",
    "sources/stahl2017-aluminum-food-contact-part1"
  ],
  "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": "2026-09-25T21:36:40.429Z"
}