{"schema":"https://pith.science/schemas/pith-integrity/v1.json","pith_number":"2604.22270","arxiv_id":"2604.22270","integrity":{"available":true,"endpoint":"/pith/2604.22270/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":"2026-05-21T11:34:07.444609Z","findings_count":0},{"name":"doi_compliance","version":"1.0.0","status":"completed","ran_at":"2026-05-20T00:07:28.115073Z","findings_count":1}],"findings":[{"detector":"doi_compliance","finding_type":"unresolvable_identifier","severity":"critical","verdict_class":"cross_source","note":"Identifier '10.1364/optica.387381' 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":"10.1364/optica.387381","detected_arxiv_id":null,"ref_index":22,"audited_at":"2026-05-20T00:07:28.115073Z"}],"snapshot_sha256":"7b72db141d9c1d54ed6e2368b7e776316b903dd855a10b5f3fa6090d2eff1677"},"events":[{"event_id":3773,"event_type":"pith.integrity.v1","payload_sha256":"e73eff3d0fb05ef9cb8b5a0453a3ece957e9246d1d89c314d71acb974808efa3","signature_b64":"ZxzRQmqm38w0QtBxXBbggzdD1QyJLDz+VcABucAvCvMzJZkcasw75PNTYXJoykaM5OFtplpfI2+6SLpBvUFCCA==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-20T00:07:28.420249+00:00","payload":{"note":"Identifier '10.1364/optica.387381' 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":"Bostan, E., Heckel, R., Chen, M., Kellman, M., Waller, L.: Self calibrating phase microscopy with an untrained deep neural network. Optica7(6), 559–562 (2020) https://doi.org/10.1364/OPTICA.387381","arxiv_id":"2604.22270","detector":"doi_compliance","evidence":{"doi":"10.1364/optica.387381","arxiv_id":null,"ref_index":22,"raw_excerpt":"Bostan, E., Heckel, R., Chen, M., Kellman, M., Waller, L.: Self calibrating phase microscopy with an untrained deep neural network. Optica7(6), 559–562 (2020) https://doi.org/10.1364/OPTICA.387381","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"]},"severity":"critical","ref_index":22,"audited_at":"2026-05-20T00:07:28.115073Z","event_type":"pith.integrity.v1","detected_doi":"10.1364/optica.387381","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"3f79abdfc7c5e65b1bbe11f530e0cd924e046890f9beb5cdd0e7c82d0e85cd9e","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}}],"endpoint_self":"/pith/2604.22270/integrity.json","protocol_url":"https://pith.science/pith-integrity-protocol"}