Unresolvable Identifier

arXiv:2604.24065 · detector doi_compliance · cross_source · 2026-05-19 22:26:09.286509+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/0377-0427(94' 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

R. Verf¨ urth. A posteriori error estimation and adaptive mesh-refinement techniques. InPro- ceedings of the Fifth International Congress on Computational and Applied Mathematics (Leu- ven, 1992), volume 50, pages 67–83, 1994. URLhttps://doi.org/10.1016/0377-0427(94) 90290-9

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/0377-0427(94",
  "raw_excerpt": "R. Verf\u00a8 urth. A posteriori error estimation and adaptive mesh-refinement techniques. InPro- ceedings of the Fifth International Congress on Computational and Applied Mathematics (Leu- ven, 1992), volume 50, pages 67\u201383, 1994. URLhttps://doi.org/10.1016/0377-0427(94) 90290-9",
  "ref_index": 56,
  "verdict_class": "cross_source"
}