Unresolvable Identifier

arXiv:2605.03130 · detector doi_compliance · cross_source · 2026-05-19 15:39:32.139365+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.2307/2669042' 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

Rustad, A. B.: Unbounded quasi-integrals. Proc. Am. Math. Soc. 129 (1), 165–172 (2000). DOI:10.2307/2669042

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.2307/2669042",
  "raw_excerpt": "Rustad, A. B.: Unbounded quasi-integrals. Proc. Am. Math. Soc. 129 (1), 165\u2013172 (2000). DOI:10.2307/2669042",
  "ref_index": 39,
  "verdict_class": "cross_source"
}