Unresolvable Identifier

arXiv:2605.03563 · detector doi_compliance · cross_source · 2026-05-19 15:15:06.674232+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1002/(sici)1098-2426(199603)12:2' 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

Spotz, W. F., & Carey, G. F. 1996, Numerical Methods for Partial Differential Equations, 12, 235, doi: 10.1002/(SICI)1098-2426(199603)12:2⟨235:: AID-NUM6⟩3.0.CO;2-R

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1002/(sici)1098-2426(199603)12:2",
  "raw_excerpt": "Spotz, W. F., & Carey, G. F. 1996, Numerical Methods for Partial Differential Equations, 12, 235, doi: 10.1002/(SICI)1098-2426(199603)12:2\u27e8235:: AID-NUM6\u27e93.0.CO;2-R",
  "ref_index": 29,
  "verdict_class": "cross_source"
}