Unresolvable Identifier

arXiv:2604.21864 · detector doi_compliance · cross_source · 2026-05-20 00:36:28.695093+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5555/3666122.3668460' 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

Rafael Rafailov, Archit Sharma, Eric Mitchell, Stefano Ermon, Christopher D. Manning, and Chelsea Finn. 2023. Direct preference optimization: your language model is secretly a reward model. InProceedings of the 37th International Conference on Neural Information Processing Systems(New Orleans, LA, USA)(NIPS ’23). Curran Associates Inc., Red Hook, NY, USA, Article 2338, 14 pages. https://dl.acm.org/doi/10.5555/3666122.3668460

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/3666122.3668460",
  "raw_excerpt": "Rafael Rafailov, Archit Sharma, Eric Mitchell, Stefano Ermon, Christopher D. Manning, and Chelsea Finn. 2023. Direct preference optimization: your language model is secretly a reward model. InProceedings of the 37th International Conference on Neural Information Processing Systems(New Orleans, LA, USA)(NIPS \u201923). Curran Associates Inc., Red Hook, NY, USA, Article 2338, 14 pages. https://dl.acm.org",
  "ref_index": 157,
  "verdict_class": "cross_source"
}