{"schema":"https://pith.science/schemas/pith-integrity/v1.json","pith_number":"2605.19099","arxiv_id":"2605.19099","integrity":{"available":true,"endpoint":"/pith/2605.19099/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":"claim_evidence","version":"1.0.0","status":"completed","ran_at":"2026-05-21T05:02:21.410691Z","findings_count":0},{"name":"cited_work_retraction","version":"1.0.0","status":"completed","ran_at":"2026-05-20T19:23:00.721943Z","findings_count":0},{"name":"doi_title_agreement","version":"1.0.0","status":"completed","ran_at":"2026-05-20T10:31:23.262942Z","findings_count":0},{"name":"doi_compliance","version":"1.0.0","status":"completed","ran_at":"2026-05-20T10:22:30.920680Z","findings_count":1},{"name":"ai_meta_artifact","version":"1.0.0","status":"skipped","ran_at":"2026-05-20T03:33:24.716047Z","findings_count":0}],"findings":[{"detector":"doi_compliance","finding_type":"unresolvable_identifier","severity":"critical","verdict_class":"cross_source","note":"Identifier '10.18637/jss.v67.i01' 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":"10.18637/jss.v67.i01","detected_arxiv_id":null,"ref_index":4,"audited_at":"2026-05-20T10:22:30.920680Z"}],"snapshot_sha256":"19ac9eb421725889f52fa269d363b92325bbf244b95b11be51dce3a1fb4cef9b"},"events":[{"event_id":5004,"event_type":"pith.integrity.v1","payload_sha256":"cfede545e82554e2c5b157c6c7ad90823f6bbae9b922a61fbd9ce7ea1ea045e9","signature_b64":"+Z4bMVIR1lTWNfS6iB7vKdGgfv5wg3Y/5PqSC8I0VPi0ENyrB3GQhlTRIjyZwOykKlcvWrSqxAw4aMRWryQpBw==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-20T10:22:52.992664+00:00","payload":{"note":"Identifier '10.18637/jss.v67.i01' 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":"Douglas Bates, Martin Mächler, Ben Bolker, and Steve Walker. Fitting linear mixed-effects models using lme4.Journal of Statistical Software, 67(1):1–48, 2015. doi: 10.18637/jss.v67.i01","arxiv_id":"2605.19099","detector":"doi_compliance","evidence":{"doi":"10.18637/jss.v67.i01","arxiv_id":null,"ref_index":4,"raw_excerpt":"Douglas Bates, Martin Mächler, Ben Bolker, and Steve Walker. Fitting linear mixed-effects models using lme4.Journal of Statistical Software, 67(1):1–48, 2015. doi: 10.18637/jss.v67.i01","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":4,"audited_at":"2026-05-20T10:22:30.920680Z","event_type":"pith.integrity.v1","detected_doi":"10.18637/jss.v67.i01","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"ff3335b63e10cb429f1f79fca0ae064f57eb9b0a7078535e29c9444711aeb143","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}}],"endpoint_self":"/pith/2605.19099/integrity.json","protocol_url":"https://pith.science/pith-integrity-protocol"}