Unresolvable Identifier

arXiv:2605.05879 · detector doi_compliance · cross_source · 2026-05-19 13:09:52.359759+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0370-2693(81' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

Nielsen, H. & Ninomiya, M. A no-go theorem for regularizing chiral fermions.Physics Letters B105, 219–223 (1981). URLhttp://dx.doi.org/10.1016/0370-2693(81) 91026-1

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0370-2693(81",
  "raw_excerpt": "Nielsen, H. & Ninomiya, M. A no-go theorem for regularizing chiral fermions.Physics Letters B105, 219\u2013223 (1981). URLhttp://dx.doi.org/10.1016/0370-2693(81) 91026-1",
  "ref_index": 8,
  "verdict_class": "cross_source"
}