Unresolvable Identifier

arXiv:2605.17339 · detector doi_compliance · cross_source · 2026-05-20 14:52:26.343294+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1137/s0895479894262865' 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

George, A., Pothen, A.: An analysis of spectral envelope reduction via quadratic assignment problems. SIAM Journal on Matrix Analysis and Applications18(3), 706–732 (1997). https://doi.org/10.1137/S0895479894262865

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1137/s0895479894262865",
  "raw_excerpt": "George, A., Pothen, A.: An analysis of spectral envelope reduction via quadratic assignment problems. SIAM Journal on Matrix Analysis and Applications18(3), 706\u2013732 (1997). https://doi.org/10.1137/S0895479894262865",
  "ref_index": 13,
  "verdict_class": "cross_source"
}