Unresolvable Identifier

arXiv:2605.04801 · detector doi_compliance · cross_source · 2026-05-19 14:09:40.620621+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.3847/2041-8213/aa9a9f' 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

Ye, Quan-Zhi and Zhang, Qicheng and Kelley, Michael S. P. and et al. , journal =. doi:10.3847/2041-8213/aa9a9f , year =

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.3847/2041-8213/aa9a9f",
  "raw_excerpt": "Ye, Quan-Zhi and Zhang, Qicheng and Kelley, Michael S. P. and et al. , journal =. doi:10.3847/2041-8213/aa9a9f , year =",
  "ref_index": 5,
  "verdict_class": "cross_source"
}