{"schema":"https://pith.science/schemas/pith-integrity/v1.json","pith_number":"2608.04058","arxiv_id":"2608.04058","integrity":{"available":true,"endpoint":"/pith/2608.04058/integrity.json","summary":{"critical":1,"advisory":3,"informational":0,"by_detector":{"doi_compliance":{"total":4,"critical":1,"advisory":3,"informational":0}}},"clean":false,"detectors_run":[{"name":"ai_meta_artifact","version":"1.0.0","status":"skipped","ran_at":"2026-08-13T05:08:42.440618Z","findings_count":0},{"name":"doi_title_agreement","version":"1.0.0","status":"completed","ran_at":"2026-08-13T04:08:33.898872Z","findings_count":0},{"name":"doi_compliance","version":"1.1.0","status":"completed","ran_at":"2026-08-12T01:39:28.077532Z","findings_count":4},{"name":"claim_evidence","version":"1.0.0","status":"completed","ran_at":"2026-08-11T22:08:11.004326Z","findings_count":0},{"name":"cited_work_retraction","version":"1.0.0","status":"completed","ran_at":"2026-08-06T19:38:03.298909Z","findings_count":0}],"findings":[{"detector":"doi_compliance","finding_type":"recoverable_identifier","severity":"advisory","verdict_class":"incontrovertible","note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1287/opre.46.6.912 resolves to 'Lower Bounds for the Quadratic Assignment Problem Based upon a Dual Formulation'. A reader following the printed text alone cannot reach it.","detected_doi":"10.1287/opre.46.6.912","detected_arxiv_id":null,"ref_index":1,"audited_at":"2026-08-08T00:58:28.950789Z"},{"detector":"doi_compliance","finding_type":"unresolvable_identifier","severity":"critical","verdict_class":"cross_source","note":"Identifier '10.1016/0166-218x(87' 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":"10.1016/0166-218x(87","detected_arxiv_id":null,"ref_index":16,"audited_at":"2026-08-08T00:58:28.950789Z"},{"detector":"doi_compliance","finding_type":"recoverable_identifier","severity":"advisory","verdict_class":"incontrovertible","note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1287/mnsc.9.4.586 resolves to 'The Quadratic Assignment Problem'. A reader following the printed text alone cannot reach it.","detected_doi":"10.1287/mnsc.9.4.586","detected_arxiv_id":null,"ref_index":9,"audited_at":"2026-08-08T00:58:28.950789Z"},{"detector":"doi_compliance","finding_type":"recoverable_identifier","severity":"advisory","verdict_class":"incontrovertible","note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1016/j.ejor.2005.09.032 resolves to 'A survey for the quadratic assignment problem'. A reader following the printed text alone cannot reach it.","detected_doi":"10.1016/j.ejor.2005.09.032","detected_arxiv_id":null,"ref_index":22,"audited_at":"2026-08-08T00:58:28.950789Z"}],"snapshot_sha256":"5f78c908c7f6186821df6839ef99bafa970842a7f04fbb4a8d6f2510e5b211a9"},"events":[{"event_id":18606,"event_type":"pith.integrity.v1","payload_sha256":"6c71d02bd71388994988cd1666959a35eca91c742e3b1a2effb29c7e5bd3704e","signature_b64":"ToHvwEqK6WV1icl6YcdgPXzC8yE3Y8yEfQWO1MRhjLDImfkrhXdcpQxXXt5wokxGtwEaOWMkwuHV7TcaiTPdDg==","signing_key_id":"pith-v1-2026-05","created_at":"2026-08-08T00:58:31.490789+00:00","payload":{"note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1016/j.ejor.2005.09.032 resolves to 'A survey for the quadratic assignment problem'. A reader following the printed text alone cannot reach it.","snippet":"E. M. Loiola, N. M. M. de Abreu, P. O. Boaventura-Netto, P. Hahn, T. Querido, A survey for the quadratic assign- ment problem, European Journal of Operational Research 176 (2) (2007) 657–690. doi:10.1016/j.ejor.2005. 09.032","arxiv_id":"2608.04058","detector":"doi_compliance","evidence":{"ref_index":22,"verdict_class":"incontrovertible","resolved_title":"A survey for the quadratic assignment problem","printed_excerpt":"10.1016/j.ejor.2005","reconstructed_doi":"10.1016/j.ejor.2005.09.032"},"severity":"advisory","ref_index":22,"audited_at":"2026-08-08T00:58:28.950789Z","event_type":"pith.integrity.v1","detected_doi":"10.1016/j.ejor.2005.09.032","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"90b6f517cc2c3743a7b5e582642b8e438aa774492cae9f6bac9f5328d5b49041","paper_version":1,"verdict_class":"incontrovertible","resolved_title":"A survey for the quadratic assignment problem","detector_version":"1.1.0","detected_arxiv_id":null}},{"event_id":18605,"event_type":"pith.integrity.v1","payload_sha256":"6899da9c337d5d5f0dcba2d400df86b5acb830cc2b866de4af92bcbc3609f1f5","signature_b64":"WOxeuAIHavd1yIS9BSUlct23vvcnNWNlhhJsuRLssU5KYfSlKj9z+DS4UFMUQzyxBe2xCSDwvgPIURBB89OoAw==","signing_key_id":"pith-v1-2026-05","created_at":"2026-08-08T00:58:31.312491+00:00","payload":{"note":"Identifier '10.1016/0166-218x(87' 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":"C. R. Chegireddy, H. W. Hamacher, Algorithms for finding k-best perfect matchings, Discrete Applied Mathematics 18 (2) (1987) 155–165. doi:10.1016/0166-218X(87) 90017-5. 14","arxiv_id":"2608.04058","detector":"doi_compliance","evidence":{"doi":"10.1016/0166-218x(87","arxiv_id":null,"ref_index":16,"raw_excerpt":"C. R. Chegireddy, H. W. Hamacher, Algorithms for finding k-best perfect matchings, Discrete Applied Mathematics 18 (2) (1987) 155–165. doi:10.1016/0166-218X(87) 90017-5. 14","parse_status":"well_formed","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"],"resolution_status":"hard_miss"},"severity":"critical","ref_index":16,"audited_at":"2026-08-08T00:58:28.950789Z","event_type":"pith.integrity.v1","detected_doi":"10.1016/0166-218x(87","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"8b9acbd704e024066e021b3079d6f1592147e6a48acf8e0ce0fb560e470ce699","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null}},{"event_id":18604,"event_type":"pith.integrity.v1","payload_sha256":"1d0933640d2da74c436cfe7a9dd80511402860851f79c9bb291ebad370c0a11a","signature_b64":"5I1owixM2yj7mjwS0zYn3RY8RxkB1NQ6Xrnl7Lp9XU/xqpgUXt2zmEvOFNnxltFHYTViLic4SgumfnKDJO73BA==","signing_key_id":"pith-v1-2026-05","created_at":"2026-08-08T00:58:31.305240+00:00","payload":{"note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1287/mnsc.9.4.586 resolves to 'The Quadratic Assignment Problem'. A reader following the printed text alone cannot reach it.","snippet":"E. L. Lawler, The quadratic assignment problem, Manage- ment Science 9 (4) (1963) 586–599. doi:10.1287/mnsc. 9.4.586","arxiv_id":"2608.04058","detector":"doi_compliance","evidence":{"ref_index":9,"verdict_class":"incontrovertible","resolved_title":"The Quadratic Assignment Problem","printed_excerpt":"10.1287/mnsc","reconstructed_doi":"10.1287/mnsc.9.4.586"},"severity":"advisory","ref_index":9,"audited_at":"2026-08-08T00:58:28.950789Z","event_type":"pith.integrity.v1","detected_doi":"10.1287/mnsc.9.4.586","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"8d9266ea5aa0b548e6c5354328d87e6d0f0ec079413dbffcdead62a695e3680a","paper_version":1,"verdict_class":"incontrovertible","resolved_title":"The Quadratic Assignment Problem","detector_version":"1.1.0","detected_arxiv_id":null}},{"event_id":18603,"event_type":"pith.integrity.v1","payload_sha256":"940424f1c98b97fa679ae6338944c78f1ef1e73675a7078dddbedd81c1bf26cb","signature_b64":"nlfuW64b+oGZFKEaPZ1wMFSPormdyKqiIxDIfVOx3b3dJ//gsh2GwakdbzqnzvcZ3V0xhxHw0G0F9/QOOrgxAg==","signing_key_id":"pith-v1-2026-05","created_at":"2026-08-08T00:58:31.160264+00:00","payload":{"note":"DOI is split by whitespace or line breaks in the printed bibliography. Reconstructed DOI 10.1287/opre.46.6.912 resolves to 'Lower Bounds for the Quadratic Assignment Problem Based upon a Dual Formulation'. A reader following the printed text alone cannot reach it.","snippet":"P. Hahn, T. Grant, Lower bounds for the quadratic assign- ment problem based upon a dual formulation, Operations Research 46 (6) (1998) 912–922. doi:10.1287/opre. 46.6.912","arxiv_id":"2608.04058","detector":"doi_compliance","evidence":{"ref_index":1,"verdict_class":"incontrovertible","resolved_title":"Lower Bounds for the Quadratic Assignment Problem Based upon a Dual Formulation","printed_excerpt":"10.1287/opre","reconstructed_doi":"10.1287/opre.46.6.912"},"severity":"advisory","ref_index":1,"audited_at":"2026-08-08T00:58:28.950789Z","event_type":"pith.integrity.v1","detected_doi":"10.1287/opre.46.6.912","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"fd448a13fd0950b812bced25585d84395b7f9fabbeaf0e5c91fff6e97fc1a5d7","paper_version":1,"verdict_class":"incontrovertible","resolved_title":"Lower Bounds for the Quadratic Assignment Problem Based upon a Dual Formulation","detector_version":"1.1.0","detected_arxiv_id":null}}],"endpoint_self":"/pith/2608.04058/integrity.json","protocol_url":"https://pith.science/pith-integrity-protocol"}