Unresolvable Identifier

arXiv:2604.25337 · detector doi_compliance · cross_source · 2026-05-19 21:13:24.078600+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.1016/s0393-0440(01)00077-3' 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

van der Schaft , A. and Maschke, B. (2002). H amiltonian formulation of distributed-parameter systems with boundary energy flow. Journal of Geometry and Physics, 42(1-2), 166--194. doi:10.1016/S0393-0440(01)00077-3

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.1016/s0393-0440(01)00077-3",
  "raw_excerpt": "van der Schaft , A. and Maschke, B. (2002). H amiltonian formulation of distributed-parameter systems with boundary energy flow. Journal of Geometry and Physics, 42(1-2), 166--194. doi:10.1016/S0393-0440(01)00077-3",
  "ref_index": 14,
  "verdict_class": "cross_source"
}