Unresolvable Identifier

arXiv:2604.18953 · detector doi_compliance · cross_source · 2026-05-20 03:27:00.770666+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5555/3648699.3649087' 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

Zongyi Li, Daniel Zhengyu Huang, Burigede Liu, and Anima Anandkumar. Fourier neural operator with learned deformations for pdes on general geometries.J. Mach. Learn. Res., January 2023. URL https://dl.acm.org/doi/10.5555/3648699.3649087

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/3648699.3649087",
  "raw_excerpt": "Zongyi Li, Daniel Zhengyu Huang, Burigede Liu, and Anima Anandkumar. Fourier neural operator with learned deformations for pdes on general geometries.J. Mach. Learn. Res., January 2023. URL https://dl.acm.org/doi/10.5555/3648699.3649087",
  "ref_index": 17,
  "verdict_class": "cross_source"
}