Unresolvable Identifier

arXiv:2605.00311 · detector doi_compliance · cross_source · 2026-05-19 18:16:15.069242+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1007/s10898-019-00832-4' 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

M. E. Abbasov , Optimality conditions for an exhausterable function on an exhausterable set , Journal of Global Optimization, 76 (2020), pp. 57--67, https://doi.org/10.1007/s10898-019-00832-4

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1007/s10898-019-00832-4",
  "raw_excerpt": "M. E. Abbasov , Optimality conditions for an exhausterable function on an exhausterable set , Journal of Global Optimization, 76 (2020), pp. 57--67, https://doi.org/10.1007/s10898-019-00832-4",
  "ref_index": 1,
  "verdict_class": "cross_source"
}