Unresolvable Identifier

arXiv:2605.08821 · detector doi_compliance · cross_source · 2026-05-19 10:48:38.438969+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1088/1361-6633/aa518f/meta' 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. Monticone, A. A.-R. on P. in Physics, and undefined 2017, “Metamaterial, plasmonic and nanophotonic devices,” iopscience.iop.orgF Monticone, A AlùReports on Progress in Physics, 2017•iopscience.iop.org, doi: 10.1088/1361-6633/AA518F/META

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1088/1361-6633/aa518f/meta",
  "raw_excerpt": "F. Monticone, A. A.-R. on P. in Physics, and undefined 2017, \u201cMetamaterial, plasmonic and nanophotonic devices,\u201d iopscience.iop.orgF Monticone, A Al\u00f9Reports on Progress in Physics, 2017\u2022iopscience.iop.org, doi: 10.1088/1361-6633/AA518F/META",
  "ref_index": 66,
  "verdict_class": "cross_source"
}