Unresolvable Identifier

arXiv:2605.03572 · detector doi_compliance · cross_source · 2026-05-19 15:14:55.616222+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1364/ao.22.000484.url:https' 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

Michel Digonnet and H. J. Shaw. “Wave- length multiplexing in single-mode fiber couplers”. EN. In:Applied Optics22.3 (Feb. 1983), pp. 484–491.issn: 2155-3165. doi: 10.1364/AO.22.000484.url:https : / / opg . optica . org / ao / abstract . cfm ? uri = ao - 22 - 3 - 484(visited on 03/27/2026). [27]WL-BPD1GA - 1GHzDual-Balanced In- GaAs Low Noise Photodetector. Datasheet. Apr. 2025.url:https://www.wieserlabs .com/products/photodetectors/ac/WL- BPD1GA.pdf(visited on 03/26/2026)

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1364/ao.22.000484.url:https",
  "raw_excerpt": "Michel Digonnet and H. J. Shaw. \u201cWave- length multiplexing in single-mode fiber couplers\u201d. EN. In:Applied Optics22.3 (Feb. 1983), pp. 484\u2013491.issn: 2155-3165. doi: 10.1364/AO.22.000484.url:https : / / opg . optica . org / ao / abstract . cfm ? uri = ao - 22 - 3 - 484(visited on 03/27/2026). [27]WL-BPD1GA - 1GHzDual-Balanced In- GaAs Low Noise Photodetector. Datasheet. Apr. 2025.url:https://www.wie",
  "ref_index": 26,
  "verdict_class": "cross_source"
}