Unresolvable Identifier

arXiv:2605.04884 · detector doi_compliance · cross_source · 2026-05-19 14:04:33.019903+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/j.apm.2008.02.019' 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

Rajani, B. N., Kandasamy, A., and Majumdar, S., “Numerical Simulation of Laminar Flow Past a Circular Cylinder,”Applied Mathematical Modelling, Vol. 33, No. 3, 2009, pp. 1228–1247. doi:10.1016/j.apm.2008.02.019

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/j.apm.2008.02.019",
  "raw_excerpt": "Rajani, B. N., Kandasamy, A., and Majumdar, S., \u201cNumerical Simulation of Laminar Flow Past a Circular Cylinder,\u201dApplied Mathematical Modelling, Vol. 33, No. 3, 2009, pp. 1228\u20131247. doi:10.1016/j.apm.2008.02.019",
  "ref_index": 66,
  "verdict_class": "cross_source"
}