Unresolvable Identifier

arXiv:2605.08834 · detector doi_compliance · cross_source · 2026-05-19 10:47:57.630380+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5878/7m19-s826' 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

Observations of a fireball in northern Sweden, 18:55UT, 27 February, 2023 (Version 1) , year =. doi:10.5878/7m19-s826 , url =

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5878/7m19-s826",
  "raw_excerpt": "Observations of a fireball in northern Sweden, 18:55UT, 27 February, 2023 (Version 1) , year =. doi:10.5878/7m19-s826 , url =",
  "ref_index": 5,
  "verdict_class": "cross_source"
}