{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-09-26T12:47:02.291Z",
  "page": {
    "slug": "ingredients/potatoes",
    "title": "Potatoes",
    "description": null,
    "page_type": "ingredient",
    "audience": [
      "regulator",
      "educator",
      "consumer",
      "app"
    ],
    "canonical_url": "https://heavymetalindex.com/ingredients/potatoes",
    "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": "13bd8f552a95880517785d5bfac7f39a85ba9911153203d95f9f0d64c3abf136",
    "content_bytes": 32842,
    "metadata_sha256": "4c464555df1f4bb81c348f746937a6fd83e4a4e2131443add969b7cf218d3603",
    "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": "3cc3cd478f4fc9d73a65d0eda1b908f4cf998f5519c5cc74a59fd4e1470b71c1",
    "published_body_bytes": 38723,
    "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": "a02ea5a60611dcf4b0181184ea22d1a9a450547b172f76df80c232415b786c1b",
    "markdown_bytes": 45725,
    "git_commit_sha": "70e164c26892e9564cf209039385a2a03079e1e1",
    "last_commit_sha": "a0235db5a0f1187e1e163aa6a971a8c41fb6e32c",
    "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/potatoes --sha256 13bd8f552a95880517785d5bfac7f39a85ba9911153203d95f9f0d64c3abf136 --metadata-sha256 4c464555df1f4bb81c348f746937a6fd83e4a4e2131443add969b7cf218d3603"
  },
  "contributing_sources": [
    "sources/abdolahpour2023-heavy-metals-babol-vegetables",
    "sources/afonne2020-heavy-metals-plant-foods",
    "sources/alimohammadi2018-tehran-supermarket-vegetables",
    "sources/anses2026-tds3-metals-france",
    "sources/bora2022-heavy-metals-fruits-vegetables-romania-vinegar-washing",
    "sources/bramwell2022-urban-garden-produce-lead",
    "sources/chekri2019-french-infant-toddler-tds-trace-elements",
    "sources/cot2008-uk-tds-metals",
    "sources/dearing2025-nz-organic-nonorganic-vegetables-cyclone",
    "sources/diyarov2022-food-processing-heavy-metals",
    "sources/ec2004-scoop-heavy-metals-dietary-exposure",
    "sources/efsa-cadmium-contam-2009",
    "sources/efsa-lead-contam-2010",
    "sources/efsa2012-cadmium-dietary-exposure-europe",
    "sources/el-daouk2020-aluminum-food-lebanon",
    "sources/fda-ctz-Pb-babyfood-2025",
    "sources/fda2020-ias-infant-rice-cereal-guidance",
    "sources/fda2022-tds-elements-fy2018-fy2020",
    "sources/fechner2022-bfr-meal-hg-cd-pb-ni-germany",
    "sources/fera2015-uk-tds-metals",
    "sources/flyvholm1984-nickel-content-food-dietary-intake",
    "sources/fsai2016-total-diet-study-ireland-2012-2014",
    "sources/gromakova2017-rostov-root-crop-amendment",
    "sources/heshmati2020-iran-vegetables-cereals-pb-cd",
    "sources/hossain2016-bangladesh-vegetables-pb-cd-cr",
    "sources/iyabo2015-ekiti-staple-foods-metals",
    "sources/jecfa-64th-cadmium-tin-2006",
    "sources/kazimov2014-dietary-heavy-metals-azerbaijan",
    "sources/kumar2024-arsenic-breast-milk-bihar-gangetic",
    "sources/loutfy2012-ismailia-foodstuffs-metals",
    "sources/mahaffey1975-fda-total-diet-study-heavy-metals",
    "sources/mansour2014-monitoring-health-risk-food-chapter",
    "sources/mawari2022-heavy-metals-fruits-vegetables-india",
    "sources/mohammadian-hafshejani2024-cadmium-prostate-cancer-meta",
    "sources/munir2022-heavy-metals-natural-foods-review",
    "sources/nordberg2015-cadmium-chapter",
    "sources/oehha-cadmium-prop65-evidence-1996",
    "sources/reczajska2005-chromium-plant-foods-poland",
    "sources/rempelos2023-vegetable-organic-conventional-metals",
    "sources/romero-crespo2023-trace-elements-crops-ecuador-mining",
    "sources/salehipour2015-iran-isfahan-cereals-vegetables-metals",
    "sources/samma2024-bangladesh-vegetable-metals",
    "sources/schaefer2020-cadmium-mitigation-strategies",
    "sources/sitek2022-cd-toxicity-antioxidant-vitamins",
    "sources/sixto2023-potatoes-sweet-potatoes-metals",
    "sources/stasinos2014-heavy-metals-tubers-review",
    "sources/wang2020-jilin-total-diet-metals",
    "sources/wang2023-toxic-metals-daily-diet-ningxia",
    "sources/who-gemsfood-heavy-metal-contaminants",
    "sources/wu2024-heavy-metals-cereals-vegetables-legumes-jiaozuo",
    "sources/zhao2022-china-tds6-lead-cadmium-exposure"
  ],
  "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": "2026-09-26T12:40:20.450Z"
}