{
  "schema_version": "1.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-06-27T17:51:53.469Z",
  "page": {
    "slug": "metals/index",
    "title": "Metals",
    "description": "Per-metal reference pages and source-map stubs for metals covered by the Heavy Metal Index corpus.",
    "page_type": "metal",
    "audience": [
      "regulator",
      "educator",
      "researcher"
    ],
    "canonical_url": "https://heavymetalindex.com/metals/index",
    "wiki_doi": null
  },
  "content_pin": {
    "content_sha256": "98049cff87007aca7698e6e8c48729b88566146e3b0828dfcba3186f86fd3999",
    "content_bytes": 2315,
    "last_commit_sha": "b0f3d38",
    "last_commit_date": "2026-06-12",
    "git_remote": "https://github.com/paleofoundation/heavymetalindex",
    "verify_command": "git show b0f3d38:wiki/metals/index.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": "2026-06-14T14:22:36.996Z"
}