{
  "schema_version": "1.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-06-10T18:37:51.982Z",
  "page": {
    "slug": "sources/tukai2002-sydney-macroalgae-arsenic-speciation",
    "title": "Occurrence and chemical form of arsenic in marine macroalgae from the east coast of Australia",
    "description": null,
    "page_type": "source",
    "audience": [
      "regulator",
      "educator",
      "app"
    ],
    "canonical_url": "https://heavymetalindex.com/sources/tukai2002-sydney-macroalgae-arsenic-speciation",
    "wiki_doi": null
  },
  "content_pin": {
    "content_sha256": "0d4374edc1298c53916155d17b3bb4b45b77f840c6d5fd8771d575be01792472",
    "content_bytes": 7345,
    "last_commit_sha": "4039d20",
    "last_commit_date": "2026-06-10",
    "git_remote": "https://github.com/paleofoundation/heavymetalindex",
    "verify_command": "git show 4039d20:wiki/sources/tukai2002-sydney-macroalgae-arsenic-speciation.md | sha256sum"
  },
  "contributing_sources": [],
  "license": {
    "prose": "CC BY 4.0",
    "structured_data": "EU database rights reserved — see https://heavymetalindex.com/licensing",
    "attribution": "Heavy Metal Index (heavymetalindex.com), Paleo Foundation. Cite page_url or wiki_doi.",
    "contact": "karen@paleofoundation.com"
  },
  "attestation": {
    "for_use": "Litigation exhibit, regulatory submission, peer-review supplementary record.",
    "verifiable_by": "Any party can clone https://github.com/paleofoundation/heavymetalindex at the named commit, hash the body of the named wiki page, and confirm the content_sha256 above matches.",
    "not_a_certification": "This manifest pins the Heavy Metal Index's published text at a specific git commit. It does not endorse or warrant the cited claim beyond the editorial methodology at /methodology and the correction process at /errata.",
    "license_terms": "https://heavymetalindex.com/licensing"
  },
  "generated_at": "2026-06-10T15:59:26.601Z"
}