{
  "schema_version": "2.0.0",
  "source_index_schema_version": "2.0.0",
  "manifest_kind": "heavy_metal_index_evidence_packet",
  "retrieval_timestamp": "2026-10-25T17:25:04.057Z",
  "page": {
    "slug": "ingredients/protein-powder",
    "title": "Protein powder",
    "description": null,
    "page_type": "ingredient",
    "audience": [
      "regulator",
      "educator",
      "consumer",
      "app"
    ],
    "canonical_url": "https://heavymetalindex.com/ingredients/protein-powder",
    "wiki_doi": null
  },
  "content_pin": {
    "status": "unpinned",
    "reason": "Authored content or semantic metadata differs from the committed Git tree.",
    "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": "4b3be84727d5118af11a2104eacf3b03b825bf6d460ee73fd344821a7319d56a",
    "content_bytes": 5038,
    "metadata_sha256": "2d8767dd243b9346c245314b77abd9882dadf082f29fe04bfdc2645dc0883cc0",
    "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": "91b8b190152ffdfd3ad5a6050bc8ade3a6f05776f32e5d8573302665d28ef597",
    "published_body_bytes": 5870,
    "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": "242d15fde3eae6dbe837b442aff2d3f7bb305640653f29a683311f2f00df4577",
    "markdown_bytes": 7631,
    "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/bandara2020-protein-powder-heavy-metals",
    "sources/cfia2020-toxic-metals-selected-foods-2018-19",
    "sources/cleanlabel2025-protein-powder-heavy-metals",
    "sources/fda2022-tds-elements-fy2018-fy2020"
  ],
  "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": "2026-10-22T01:21:14.841Z"
}