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 '10.1038/srep39252;subjmeta' 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

L. Liang et al., “Broadband and wide-angle RCS reduction using a 2-bit coding ultrathin metasurface at terahertz frequencies,” Sci Rep, vol. 6, no. 1, pp. 1–11, Dec. 2016, doi: 10.1038/SREP39252;SUBJMETA=1015,301,399,624,639;KWRD=MATERIALS+SCIENCE,MET AMATERIALS

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1038/srep39252;subjmeta",
  "raw_excerpt": "L. Liang et al., \u201cBroadband and wide-angle RCS reduction using a 2-bit coding ultrathin metasurface at terahertz frequencies,\u201d Sci Rep, vol. 6, no. 1, pp. 1\u201311, Dec. 2016, doi: 10.1038/SREP39252;SUBJMETA=1015,301,399,624,639;KWRD=MATERIALS+SCIENCE,MET AMATERIALS",
  "ref_index": 61,
  "verdict_class": "cross_source"
}