{"schema":"https://pith.science/schemas/pith-integrity/v1.json","pith_number":"2604.20345","arxiv_id":"2604.20345","integrity":{"available":true,"endpoint":"/pith/2604.20345/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":"2026-05-21T14:43:06.111471Z","findings_count":0},{"name":"doi_compliance","version":"1.0.0","status":"completed","ran_at":"2026-05-20T02:01:22.542506Z","findings_count":1}],"findings":[{"detector":"doi_compliance","finding_type":"unresolvable_identifier","severity":"critical","verdict_class":"cross_source","note":"Identifier '10.1016/s1570-8659(05' 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/s1570-8659(05","detected_arxiv_id":null,"ref_index":52,"audited_at":"2026-05-20T02:01:22.542506Z"}],"snapshot_sha256":"d21d43e019a57c91ac6d804c10e456739cc8d29ea1004a97ca0740d8af007c17"},"events":[{"event_id":4180,"event_type":"pith.integrity.v1","payload_sha256":"1b08c631ac9ac9be5f8ac387ee6a017150cbf947f85e76ad8c9a12f2e9a8ab02","signature_b64":"YlJmY17AtIoaKZVv7a/5+aX7MLs7rkiyvGBm9WyfdMwlPNyz1qboCz1Fk1KZNK+3CWWhDuIC7cHTsMMXD5FWCw==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-20T02:02:39.241161+00:00","payload":{"note":"Identifier '10.1016/s1570-8659(05' 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":"Jean E. Roberts and Jean-Marie Thomas. Mixed and hybrid methods. In Finite Element Methods (Part 1) , volume 2 of Handbook of Numerical Analysis , pages 523–639. Elsevier Science Publishers B.V., North-Holland, 1991. URL https://doi.org/10.","arxiv_id":"2604.20345","detector":"doi_compliance","evidence":{"doi":"10.1016/s1570-8659(05","arxiv_id":null,"ref_index":52,"raw_excerpt":"Jean E. Roberts and Jean-Marie Thomas. Mixed and hybrid methods. In Finite Element Methods (Part 1) , volume 2 of Handbook of Numerical Analysis , pages 523–639. Elsevier Science Publishers B.V., North-Holland, 1991. URL https://doi.org/10.1016/S1570-8659(05) 80041-9","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":52,"audited_at":"2026-05-20T02:01:22.542506Z","event_type":"pith.integrity.v1","detected_doi":"10.1016/s1570-8659(05","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"cf1aaecbdfaf0687ec97e80fc4769a461be2596e6fbf73fe0f6b717fbba345f1","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}}],"endpoint_self":"/pith/2604.20345/integrity.json","protocol_url":"https://pith.science/pith-integrity-protocol"}