{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-10-11T08:47:30.387Z",
  "page": {
    "slug": "products/oven-grill-bbq-cleaners",
    "title": "Oven/grill/BBQ cleaners",
    "description": null,
    "page_type": "product-category",
    "audience": [
      "regulator",
      "educator",
      "brand-legal",
      "brand-qa",
      "retailer-compliance"
    ],
    "canonical_url": "https://heavymetalindex.com/products/oven-grill-bbq-cleaners",
    "wiki_doi": null
  },
  "content_pin": {
    "status": "unpinned",
    "reason": "Git history and a matching verified prior manifest are unavailable.",
    "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": "6c31041cb71d5e168ed8021fde0d94ca7516b45d6d2650ae5190f45763f41e3e",
    "content_bytes": 9856,
    "metadata_sha256": "32edba95ef00bcbdb65b956f729aa857cee81fea0490c87d960a42af30d7edc1",
    "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": "b368ad9b92d238e6e6b3b2a53a4e2d3c22481ad7ec6cc81c6b31e14f4ba27f1e",
    "published_body_bytes": 10094,
    "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": "a2cfa7d8a9f4b1cdd491cb1f90f5bb356b378c4cd35440a8e25d511ea5808e1c",
    "markdown_bytes": 10780,
    "git_commit_sha": null,
    "last_commit_sha": null,
    "last_commit_date": null,
    "git_remote": "https://github.com/paleofoundation/heavymetalindex",
    "verify_command": null
  },
  "contributing_sources": [
    "sources/davidsuzuki2014-toxic-household-cleaners",
    "sources/epa2024-safer-choice-master-criteria-ingredients",
    "sources/epa2024-safer-choice-standard-dfe",
    "sources/greenseal2022-gs52-specialty-household-cleaners",
    "sources/nydec2020-cleansing-product-disclosure-bmp"
  ],
  "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": "This manifest reports build-input checksums but has no verified Git pin. It cannot establish that these page bytes correspond to a named Git revision.",
    "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": "2026-10-09T09:42:02.501Z"
}