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:2501.04306' 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

Luo Z., Y ang Z., Xu Z., et al. (2025). Llm4sr: A survey on large language models for scientific research. arXiv preprint. DOI:10.48550/arXiv:2501.04306

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.48550/arxiv:2501.04306",
  "raw_excerpt": "Luo Z., Y ang Z., Xu Z., et al. (2025). Llm4sr: A survey on large language models for scientific research. arXiv preprint. DOI:10.48550/arXiv:2501.04306",
  "ref_index": 6,
  "verdict_class": "cross_source"
}