pith. sign in

Unresolvable Identifier

arXiv:2604.24359 · detector doi_compliance · cross_source · 2026-05-19 22:13:53.563634+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0010-4018(92)90070-8' 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

Dubietis, A., Jonušauskas, G., & Piskarskas, A. (1992). Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal. Optics Communications, 88(4–6), 437–440. https://doi.org/10.1016/0010-4018(92)90070-8

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0010-4018(92)90070-8",
  "raw_excerpt": "Dubietis, A., Jonu\u0161auskas, G., & Piskarskas, A. (1992). Powerful femtosecond pulse generation by chirped and stretched pulse parametric amplification in BBO crystal. Optics Communications, 88(4\u20136), 437\u2013440. https://doi.org/10.1016/0010-4018(92)90070-8",
  "ref_index": 7,
  "verdict_class": "cross_source"
}