{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-09-26T10:47:45.158Z",
  "page": {
    "slug": "sources/khabir2021-epidermal-zinc-zno-nanoparticle-sunscreen",
    "title": "Human Epidermal Zinc Concentrations after Topical Application of ZnO Nanoparticles in Sunscreens",
    "description": null,
    "page_type": "source",
    "audience": [
      "regulator",
      "researcher",
      "educator"
    ],
    "canonical_url": "https://heavymetalindex.com/sources/khabir2021-epidermal-zinc-zno-nanoparticle-sunscreen",
    "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": "0f0ca8c54e2fc2234a80152abf6ec42a5fc22c474450f91035ac7733596a994e",
    "content_bytes": 3857,
    "metadata_sha256": "c8e04edb02d1badd0b17dde24e1bcd274c826b17cb315ef46f5457c844fc3aef",
    "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": "b4a363537dc0d364d583d9b88f4097b772a728b91701a58ecc28dc520ff125c3",
    "published_body_bytes": 4095,
    "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": "553bca5d444d5d50bc616b7c327d74d7553086b20200570fbe119d72235d0ec5",
    "markdown_bytes": 6549,
    "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/agren1991-zno-vehicles-zinc-absorption-skin-wounds",
    "sources/danishepa2015-dermal-absorption-nano-tio2-zno-sunscreen",
    "sources/mohammed2019-zno-nanoparticle-sunscreen-repeated-application",
    "sources/sccs2012-zinc-oxide-nano-opinion-1489-12"
  ],
  "data_downloads": [],
  "ingest_contract": {
    "metadata_complete": true,
    "ingest_complete": false,
    "gaps": [],
    "completion_note": "Metadata completeness alone does not prove extraction, routing, or primary-source coverage. Completed ingest requires its reconciliation and route audits."
  },
  "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": "2026-09-26T08:32:01.834Z"
}