Unresolvable Identifier

arXiv:2604.18523 · detector doi_compliance · cross_source · 2026-05-20 03:54:43.685240+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1088/1751-8121/ab3e63' 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

F. L. Metz, I. Neri and T. Rogers, Spectral theory of sparse non-hermitian random matrices, Journal of Physics A: Mathematical and Theoretical 52(43), 434003 (2019), doi:10.1088/1751-8121/ab3e63

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1088/1751-8121/ab3e63",
  "raw_excerpt": "F. L. Metz, I. Neri and T. Rogers, Spectral theory of sparse non-hermitian random matrices, Journal of Physics A: Mathematical and Theoretical 52(43), 434003 (2019), doi:10.1088/1751-8121/ab3e63",
  "ref_index": 40,
  "verdict_class": "cross_source"
}