Unresolvable Identifier

arXiv:2604.25631 · detector doi_compliance · cross_source · 2026-05-19 20:53:48.507017+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1007/s11750-012-0234-4' 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

Jean-Baptiste Hiriart-Urruty and Hoang Tuy Le. A variational approach of the rank function.TOP, 21(2):207–240, 2013.doi:10.1007/s11750-012-0234-4

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1007/s11750-012-0234-4",
  "raw_excerpt": "Jean-Baptiste Hiriart-Urruty and Hoang Tuy Le. A variational approach of the rank function.TOP, 21(2):207\u2013240, 2013.doi:10.1007/s11750-012-0234-4",
  "ref_index": 63,
  "verdict_class": "cross_source"
}