Unresolvable Identifier

arXiv:2605.02042 · detector doi_compliance · cross_source · 2026-05-19 16:42:58.305006+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.2307/2160957.url:https://doi.org/10.2307/2160957' 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

Ole Christensen. “A Paley-Wiener theorem for frames”. In:Proc. Amer. Math. Soc.123.7 (1995), pp. 2199–2201.issn: 0002-9939,1088-6826. doi:10.2307/2160957.url:https://doi.org/10.2307/2160957

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.2307/2160957.url:https://doi.org/10.2307/2160957",
  "raw_excerpt": "Ole Christensen. \u201cA Paley-Wiener theorem for frames\u201d. In:Proc. Amer. Math. Soc.123.7 (1995), pp. 2199\u20132201.issn: 0002-9939,1088-6826. doi:10.2307/2160957.url:https://doi.org/10.2307/2160957",
  "ref_index": 7,
  "verdict_class": "cross_source"
}