Unresolvable Identifier

arXiv:2604.19513 · detector doi_compliance · cross_source · 2026-05-20 02:52:03.619851+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1088/1361-6641/ab2a8b' 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

Zhang, H., Shih, C.-W., Martin, D., Caut, A., Carlin, J.-F., Butt´ e, R., Grandjean, N.: Short cavity ingan-based laser diodes with cavity length below 300µm. Semiconductor Science and Technology34(8), 085005 (2019) https://doi.org/10.1088/1361-6641/ab2a8b

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1088/1361-6641/ab2a8b",
  "raw_excerpt": "Zhang, H., Shih, C.-W., Martin, D., Caut, A., Carlin, J.-F., Butt\u00b4 e, R., Grandjean, N.: Short cavity ingan-based laser diodes with cavity length below 300\u00b5m. Semiconductor Science and Technology34(8), 085005 (2019) https://doi.org/10.1088/1361-6641/ab2a8b",
  "ref_index": 60,
  "verdict_class": "cross_source"
}