{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-10-16T12:15:31.109Z",
  "page": {
    "slug": "sources/fagbemi2023-akure-street-foods-lead",
    "title": "Microbial Density and Diversity and Lead Loads in Selected Street-Hawked Foods in Akure Metropolis, Nigeria",
    "description": null,
    "page_type": "source",
    "audience": [],
    "canonical_url": "https://heavymetalindex.com/sources/fagbemi2023-akure-street-foods-lead",
    "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": "38013d000fbfea8cc7726684a0c5f7046b013023bbd368f76e67b3f783e7f516",
    "content_bytes": 3029,
    "metadata_sha256": "d754ce83bd95155d68a0391fcaf657374cac917fcb37bac28094492ffb7a330e",
    "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": "dbec620cb9e70601a56fd5d411548318fd7278b0ccd5cc08ed96a8e4d83c6c15",
    "published_body_bytes": 3267,
    "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": "cbd647d473fd75b2db8aa89e2ae5f06516eaa40f8ce6170e04406ff26229e0c9",
    "markdown_bytes": 4457,
    "git_commit_sha": null,
    "last_commit_sha": null,
    "last_commit_date": null,
    "git_remote": "https://github.com/paleofoundation/heavymetalindex",
    "verify_command": null
  },
  "contributing_sources": [],
  "data_downloads": [],
  "ingest_contract": {
    "metadata_complete": false,
    "ingest_complete": false,
    "gaps": [
      "evidence_fitness",
      "raw_sha256"
    ],
    "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": "2026-10-16T07:49:22.404Z"
}