Unresolvable Identifier

arXiv:2605.23349 · detector doi_compliance · cross_source · 2026-05-25 03:27:19.976639+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0001-8708(70' 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

Ornstein, D.: Bernoulli shifts with the same entropy are isomorphic. Advances in Mathematics4(3), 337–352 (1970) https://doi.org/10.1016/0001-8708(70) 90029-0

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0001-8708(70",
  "raw_excerpt": "Ornstein, D.: Bernoulli shifts with the same entropy are isomorphic. Advances in Mathematics4(3), 337\u2013352 (1970) https://doi.org/10.1016/0001-8708(70) 90029-0",
  "ref_index": 25,
  "verdict_class": "cross_source"
}