Unresolvable Identifier

arXiv:2605.16432 · detector doi_compliance · cross_source · 2026-05-20 20:13:48.998494+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.3389/frobt.2026.1708161/full' 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

P. Aryan, S. D. Shetty, V . Kalaichelvi, and R. Karthikeyan, “SimNav- XR: an extended reality platform for mobile robot simulation using ROS2 and Unity3D,”Frontiers in Robotics and AI, vol. 13, Feb. 2026. [Online]. Available: https://www.frontiersin.org/journals/ robotics-and-ai/articles/10.3389/frobt.2026.1708161/full

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.3389/frobt.2026.1708161/full",
  "raw_excerpt": "P. Aryan, S. D. Shetty, V . Kalaichelvi, and R. Karthikeyan, \u201cSimNav- XR: an extended reality platform for mobile robot simulation using ROS2 and Unity3D,\u201dFrontiers in Robotics and AI, vol. 13, Feb. 2026. [Online]. Available: https://www.frontiersin.org/journals/ robotics-and-ai/articles/10.3389/frobt.2026.1708161/full",
  "ref_index": 17,
  "verdict_class": "cross_source"
}