Unresolvable Identifier

arXiv:2605.05015 · detector doi_compliance · cross_source · 2026-05-19 13:53:45.614396+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1142/s021773232250143x' 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

Abd-Rabbou, M. Y ., Metwally, N., Ahmed, M. M. A. and Obada, A. S.,Modern Physics Letters A37(22), 2250143 (2022), https://doi.org/10.1142/S021773232250143X

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1142/s021773232250143x",
  "raw_excerpt": "Abd-Rabbou, M. Y ., Metwally, N., Ahmed, M. M. A. and Obada, A. S.,Modern Physics Letters A37(22), 2250143 (2022), https://doi.org/10.1142/S021773232250143X",
  "ref_index": 39,
  "verdict_class": "cross_source"
}