{
  "citation": "Specimen Registry v0.0.7 (2026). Maintained by Michael Gonzalez with AI assistance. https://specimenregistry.org. Data licensed under CC BY 4.0.",
  "license": "https://specimenregistry.org/license",
  "version": "0.0.12-neon",
  "specimen": {
    "id": "feldhofer-1",
    "site_id": "feldhofer-cave",
    "common_name": "Feldhofer 1 (Neanderthal type specimen)",
    "community_name": null,
    "catalog_number": "Feldhofer 1 (varies by museum — LWL Museum, Herne, Germany)",
    "catalog_number_source_quote": null,
    "material_type": "skeletal remains (humerus fragment sampled for this paper — pending Michael's confirmation from Methods section)",
    "taxonomic_assignment": "Neanderthal (type specimen)",
    "taxonomic_assignment_source_quote": null,
    "assignment_method": null,
    "assignment_publication": "10.1016/s0092-8674(00)80310-4",
    "provenance_publication": null,
    "stratigraphic_context": {
      "raw": "`{\"site\": \"Feldhofer Cave\", \"region\": \"Neander Valley, western Germany\", \"discovery\": \"1856\"}`"
    },
    "stratigraphic_context_source_quote": null,
    "current_custody": null,
    "inferred_fields": null,
    "disputed_assignment": false,
    "verification_state": "draft",
    "verification_notes": null,
    "fts_tsv": "'1':2A 'confirm':20C 'feldhof':1A 'fragment':12C 'humerus':11C 'method':22C 'michael':18C 'neanderth':3A,6B 'paper':16C 'pend':17C 'remain':10C 'sampl':13C 'section':23C 'skelet':9C 'specimen':5A,8B 'type':4A,7B",
    "created_at": "2026-07-27T02:05:18.909Z",
    "updated_at": "2026-07-27T02:16:42.538Z"
  },
  "site": {
    "id": "feldhofer-cave",
    "name": "Feldhofer Cave",
    "country": "unknown",
    "region": null,
    "latitude": null,
    "longitude": null,
    "coordinates_precision": null,
    "site_type": null,
    "excavating_institution": null,
    "notes": null,
    "verification_state": "draft",
    "created_at": "2026-07-27T02:05:18.909Z",
    "updated_at": "2026-07-27T02:05:18.909Z"
  },
  "analyses": [
    {
      "id": "9cfb22f4-0bea-467e-b056-6d70e18de376",
      "publication_id": "10.1016/s0092-8674(00)80310-4",
      "method": "aDNA-mitochondrial",
      "dating_method": null,
      "lab": null,
      "analysis_date": null,
      "result_summary": "First-ever Neanderthal DNA sequence: an unknown mtDNA lineage from the type specimen. Falls outside modern human mtDNA variation; common ancestor with modern human mtDNA estimated at ~4× the age of the modern-human mtDNA MRCA.",
      "result_summary_source_quote": null,
      "verification_state": "draft"
    }
  ],
  "comparisons": [
    {
      "id": 37,
      "specimen_a_id": "mezmaiskaya-1",
      "specimen_b_id": "feldhofer-1",
      "comparison_type": "related-population",
      "claim": "Mezmaiskaya 1 and Feldhofer 1 mtDNA sequences are 3.48% divergent and fall together in a Neanderthal clade distinct from modern humans.",
      "claim_source_quote": "The sequence shows 3.48% divergence from the Feldhofer Neanderthal. Phylogenetic analysis places the two Neanderthals from the Caucasus and western Germany together in a clade that is distinct from modern humans, suggesting that their mtDNA types have not contributed to the modern human mtDNA pool.",
      "method": "aDNA-mitochondrial",
      "publication_id": "10.1038/35006625",
      "quantitative_result": "3.48% divergence",
      "verification_state": "pending-verification",
      "verification_notes": "The comparison is asserted by Ovchinnikov 2000 (source publication); Krings 1997 (Feldhofer) is the referent. Added 2026-07-27 as the first-ever pairwise Neanderthal mtDNA comparison entered into the corpus.",
      "created_at": "2026-07-27T02:05:37.945Z",
      "updated_at": "2026-07-27T02:05:37.945Z",
      "other_id": "mezmaiskaya-1",
      "other_name": "Mezmaiskaya 1",
      "other_taxon": "Neanderthal"
    }
  ]
}