Unresolvable Identifier

arXiv:2605.21580 · detector doi_compliance · cross_source · 2026-05-22 09:32:25.873277+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.2277/0521826594' 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

Formation and evolution of compact stellar X-ray sources. In: Compact stellar X-ray sources. Edited by Walter Lewin &amp; Michiel van der Klis. Cambridge Astrophysics Series, No. 39. Cambridge, UK: Cambridge University Press, ISBN 978-0-521-82659-4, ISBN 0-521-82659-4, DOI: 10.2277/0521826594, 2006, p. 623 - 665 , year = "2006", volume =

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.2277/0521826594",
  "raw_excerpt": "Formation and evolution of compact stellar X-ray sources. In: Compact stellar X-ray sources. Edited by Walter Lewin &amp; Michiel van der Klis. Cambridge Astrophysics Series, No. 39. Cambridge, UK: Cambridge University Press, ISBN 978-0-521-82659-4, ISBN 0-521-82659-4, DOI: 10.2277/0521826594, 2006, p. 623 - 665 , year = \"2006\", volume =",
  "ref_index": 181,
  "verdict_class": "cross_source"
}