{"schema":"https://pith.science/schemas/pith-integrity/v1.json","pith_number":"2604.22512","arxiv_id":"2604.22512","integrity":{"available":true,"endpoint":"/pith/2604.22512/integrity.json","summary":{"critical":1,"advisory":0,"informational":0,"by_detector":{"doi_compliance":{"total":1,"critical":1,"advisory":0,"informational":0}}},"clean":false,"detectors_run":[{"name":"ai_meta_artifact","version":"1.0.0","status":"completed","ran_at":"2026-05-21T10:38:57.532399Z","findings_count":0},{"name":"doi_compliance","version":"1.0.0","status":"completed","ran_at":"2026-05-19T23:55:08.063855Z","findings_count":1}],"findings":[{"detector":"doi_compliance","finding_type":"unresolvable_identifier","severity":"critical","verdict_class":"cross_source","note":"Identifier '10.1016/0893-6080(91' 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.","detected_doi":"10.1016/0893-6080(91","detected_arxiv_id":null,"ref_index":33,"audited_at":"2026-05-19T23:55:08.063855Z"}],"snapshot_sha256":"edd052fcde58552a9eb315c5f3889e3e376f9b79b83dc1e8f06dec654db9fcc4"},"events":[{"event_id":3732,"event_type":"pith.integrity.v1","payload_sha256":"d0ca1e7cafbbe70f89ae6ff75420c5b5c4228186cb05c7fdb6ce5bd58d8ebaf1","signature_b64":"38c3McVRQy5D2AGkeUCiyIOgD2lwWq9RXUMhxCLJ02qandB7+c0RQuQk4F0MWC9Gkw3Z4HdZ/TMyHr0ap7iRBQ==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-19T23:57:28.128161+00:00","payload":{"note":"Identifier '10.1016/0893-6080(91' 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.","snippet":"Hornik, K.: Approximation capabilities of multilayer feedforward networks. Neural Networks4(2), 251–257 (1991) https://doi.org/10.1016/0893-6080(91) 90009-T","arxiv_id":"2604.22512","detector":"doi_compliance","evidence":{"doi":"10.1016/0893-6080(91","arxiv_id":null,"ref_index":33,"raw_excerpt":"Hornik, K.: Approximation capabilities of multilayer feedforward networks. Neural Networks4(2), 251–257 (1991) https://doi.org/10.1016/0893-6080(91) 90009-T","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":33,"audited_at":"2026-05-19T23:55:08.063855Z","event_type":"pith.integrity.v1","detected_doi":"10.1016/0893-6080(91","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"bf319ba83d33ca019ccbdcd8b96678de5eac76fa5772356979c96cdae6978cb6","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}}],"endpoint_self":"/pith/2604.22512/integrity.json","protocol_url":"https://pith.science/pith-integrity-protocol"}