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 '10.5555/3495724.3496291' 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, Nikola Kovachki, Kamyar Azizzadenesheli, Burigede Liu, Kaushik Bhattacharya, Andrew Stuart, and Anima Anandkumar. Multipole graph neural operator for parametric partial differential equations. InProceedings of the 34th International Conference on Neural Information Processing Systems, NIPS ’20, 2020. URL https://dl.acm.org/doi/10.5555/3495724.3496291

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/3495724.3496291",
  "raw_excerpt": "Zongyi Li, Nikola Kovachki, Kamyar Azizzadenesheli, Burigede Liu, Kaushik Bhattacharya, Andrew Stuart, and Anima Anandkumar. Multipole graph neural operator for parametric partial differential equations. InProceedings of the 34th International Conference on Neural Information Processing Systems, NIPS \u201920, 2020. URL https://dl.acm.org/doi/10.5555/3495724.3496291",
  "ref_index": 16,
  "verdict_class": "cross_source"
}