Unresolvable Identifier

arXiv:2605.21246 · detector doi_compliance · cross_source · 2026-05-21 04:03:13.366066+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/j.cose.2023.103235' 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

Alsharnouby, M., et al.: A comprehensive examination of email spoofing: Issues and prospects for email security. Comput- ers & Security (2023). https://doi.org/10.1016/j.cose.2023.103235, https://www.sciencedirect.com/science/article/pii/S0167404823005102

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/j.cose.2023.103235",
  "raw_excerpt": "Alsharnouby, M., et al.: A comprehensive examination of email spoofing: Issues and prospects for email security. Comput- ers & Security (2023). https://doi.org/10.1016/j.cose.2023.103235, https://www.sciencedirect.com/science/article/pii/S0167404823005102",
  "ref_index": 4,
  "verdict_class": "cross_source"
}