Unresolvable Identifier

arXiv:2605.20173 · detector doi_compliance · cross_source · 2026-05-20 04:58:45.935463+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5555/1624775.1624804' 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

Carl Hewitt, Peter Bishop, and Richard Steiger. A universal modular ACTOR formalism for artificial intelligence. InProceedings of the 3rd International Joint Conference on Artificial Intelligence (IJCAI), pages 235–245. Morgan Kaufmann, 1973. URLhttps: //dl.acm.org/doi/10.5555/1624775.1624804

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/1624775.1624804",
  "raw_excerpt": "Carl Hewitt, Peter Bishop, and Richard Steiger. A universal modular ACTOR formalism for artificial intelligence. InProceedings of the 3rd International Joint Conference on Artificial Intelligence (IJCAI), pages 235\u2013245. Morgan Kaufmann, 1973. URLhttps: //dl.acm.org/doi/10.5555/1624775.1624804",
  "ref_index": 14,
  "verdict_class": "cross_source"
}