pith. sign in

Unresolvable Identifier

arXiv:2604.21747 · detector doi_compliance · cross_source · 2026-05-20 00:42:24.175170+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1515/jpm.2010.003/machinereadablecitation/ris' 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

J. Hasegawa et al., “Evaluation of placental function using near infrared spectroscopy during fetal growth restriction,” J. Perinat. Med. 38(1), 29–32 (2010) [doi:10.1515/JPM.2010.003/MACHINEREADABLECITATION/RIS]

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1515/jpm.2010.003/machinereadablecitation/ris",
  "raw_excerpt": "J. Hasegawa et al., \u201cEvaluation of placental function using near infrared spectroscopy during fetal growth restriction,\u201d J. Perinat. Med. 38(1), 29\u201332 (2010) [doi:10.1515/JPM.2010.003/MACHINEREADABLECITATION/RIS]",
  "ref_index": 7,
  "verdict_class": "cross_source"
}