Unresolvable Identifier

arXiv:2604.23593 · detector doi_compliance · cross_source · 2026-05-19 22:57:54.994142+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.48550/arxiv.2506' 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

Zhu C., Li Y ., Rao B., et al. (2025). SPA: Towards more stealth and persistent backdoor attacks in federated learning. arXiv preprint. DOI:10.48550/arXiv.2506

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.48550/arxiv.2506",
  "raw_excerpt": "Zhu C., Li Y ., Rao B., et al. (2025). SPA: Towards more stealth and persistent backdoor attacks in federated learning. arXiv preprint. DOI:10.48550/arXiv.2506",
  "ref_index": 120,
  "verdict_class": "cross_source"
}