Unresolvable Identifier

arXiv:2605.08362 · detector doi_compliance · cross_source · 2026-05-19 11:11:47.843651+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0024-3795(80' 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

O’Leary, D.P.: The block conjugate gradient algorithm and related methods. Linear Algebra Appl.29, 293–322 (1980) https://doi.org/10.1016/0024-3795(80) 90247-5

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0024-3795(80",
  "raw_excerpt": "O\u2019Leary, D.P.: The block conjugate gradient algorithm and related methods. Linear Algebra Appl.29, 293\u2013322 (1980) https://doi.org/10.1016/0024-3795(80) 90247-5",
  "ref_index": 29,
  "verdict_class": "cross_source"
}