Unresolvable Identifier

arXiv:2604.26781 · detector doi_compliance · cross_source · 2026-05-19 19:46:22.898687+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1007/978-3-319-08554-8-6' 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

Heinrich, M.P., Papie˙ z, B.W., Schnabel, J.A., Handels, H.: Non-parametric dis- crete registration with convex optimisation. In: Biomedical Image Registration, pp. 51–61. Springer, ??? (2014). https://doi.org/10.1007/978-3-319-08554-8-6

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1007/978-3-319-08554-8-6",
  "raw_excerpt": "Heinrich, M.P., Papie\u02d9 z, B.W., Schnabel, J.A., Handels, H.: Non-parametric dis- crete registration with convex optimisation. In: Biomedical Image Registration, pp. 51\u201361. Springer, ??? (2014). https://doi.org/10.1007/978-3-319-08554-8-6",
  "ref_index": 33,
  "verdict_class": "cross_source"
}