Unresolvable Identifier

arXiv:2605.00639 · detector doi_compliance · cross_source · 2026-05-19 17:57:34.279112+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1126/sciadv.aaz8867(2020' 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

MacLeod, B. P.et al.Self-driving laboratory for accelerated discovery of thin-film materials.Sci- ence Advances6,eaaz8867. doi:10.1126/sciadv.aaz8867(2020)

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1126/sciadv.aaz8867(2020",
  "raw_excerpt": "MacLeod, B. P.et al.Self-driving laboratory for accelerated discovery of thin-film materials.Sci- ence Advances6,eaaz8867. doi:10.1126/sciadv.aaz8867(2020)",
  "ref_index": 10,
  "verdict_class": "cross_source"
}