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A longer candidate (10.1016/j.nima.2020.164652.url:https://linkinghub.elsevier.com/retrieve/pii/S0168900220310494) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"P. Arpaia et al. “Machine learning for beam dynamics studies at the CERN Large Hadron Collider”. en. In:Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment985 (Jan. ","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":23,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"P. Arpaia et al. “Machine learning for beam dynamics studies at the CERN Large Hadron Collider”. en. In:Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment985 (Jan. 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A longer candidate (10.3390/info12040161.url:https://www.mdpi.com/2078-2489/12/4/161) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"Alexander Scheinker. “Adaptive Machine Learning for Robust Diagnostics and Control of Time-Varying Particle Accelerator Components and Beams”. en. In:Information12.4 (Apr. 2021), p. 161.issn: 2078-2489.doi:10.3390/info12040161.url: https://","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":22,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"Alexander Scheinker. “Adaptive Machine Learning for Robust Diagnostics and Control of Time-Varying Particle Accelerator Components and Beams”. en. 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A longer candidate (10.1103/physrevstab.16.040701.url:https://link.aps.org/doi/10.1103/PhysRevSTAB.16.040701) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"S. I. Bajlekov et al. “Longitudinal electron bunch profile reconstruction by performing phase retrieval on coherent transition radiation spectra”. en. In:Physical Review Special Topics - Accelerators and Beams16.4 (Apr. 2013), p. 040701.iss","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":19,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"S. I. Bajlekov et al. “Longitudinal electron bunch profile reconstruction by performing phase retrieval on coherent transition radiation spectra”. en. 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A longer candidate (10.1063/1.50316.url:https://pubs.aip.org/aip/acp/article/367/1/312-326/753981) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"R. Lai and A. J. Sievers. “Determination of bunch asymmetry from coherent radiation in the frequency domain”. en. In:AIP Conference Proceedings. Vol. 367. Upton, New York (USA): AIP, 1996, pp. 312–326.doi:10.1063/1.50316.url: https://pubs.a","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":18,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"R. Lai and A. J. Sievers. “Determination of bunch asymmetry from coherent radiation in the frequency domain”. en. In:AIP Conference Proceedings. Vol. 367. Upton, New York (USA): AIP, 1996, pp. 312–326.doi:10.1063/1.50316.url: https://pubs.a","reconstructed_doi":"10.1063/1.50316.url:https://pubs.aip.org/aip/acp/article/367/1/312-326/753981"},"severity":"advisory","ref_index":18,"audited_at":"2026-05-19T21:07:22.033256Z","event_type":"pith.integrity.v1","detected_doi":"10.1063/1.50316.url:https://pubs.aip.org/aip/acp/article/367/1/312-326/753981","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"c531babecaf5574db8fb09e31ac50b881a6536555903d6d33f058d167213fbc2","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}},{"event_id":3059,"event_type":"pith.integrity.v1","payload_sha256":"fd57eac73d36aeeef34accc15af1ebf421e24849c3ae7a7f1aa95e45137ae3dd","signature_b64":"vcDb1r+Qp0RzcJSUFw3kQDG6Kf/ScAbssjLs9hNTdOFgjKbCBXV6JUFGZkFQvccg4e0N/bqFeg0TZb0AsOPSAA==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-19T21:07:22.448265+00:00","payload":{"note":"DOI in the printed bibliography is fragmented by whitespace or line breaks. A longer candidate (10.1103/physreve.52.4576.url:https://link.aps.org/doi/10.1103/PhysRevE.52.4576) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"R. Lai and A. J. Sievers. “Phase problem associated with the determination of the longitudinal shape of a charged particle bunch from its coherent far-ir spectrum”. en. In: Physical Review E52.4 (Oct. 1995), pp. 4576–4579.issn: 1063-651X, 1","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":17,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"R. Lai and A. J. Sievers. “Phase problem associated with the determination of the longitudinal shape of a charged particle bunch from its coherent far-ir spectrum”. en. 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A longer candidate (10.1364/ao.21.002758.url:https://opg.optica.org/abstract.cfm) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"J. R. Fienup. “Phase retrieval algorithms: a comparison”. en. In:Applied Optics21.15 (Aug. 1982), p. 2758.issn: 0003-6935, 1539-4522.doi:10.1364/AO.21.002758.url: https://opg.optica.org/abstract.cfm?URI=ao-21-15-2758","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":16,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"J. R. Fienup. “Phase retrieval algorithms: a comparison”. en. In:Applied Optics21.15 (Aug. 1982), p. 2758.issn: 0003-6935, 1539-4522.doi:10.1364/AO.21.002758.url: https://opg.optica.org/abstract.cfm?URI=ao-21-15-2758","reconstructed_doi":"10.1364/ao.21.002758.url:https://opg.optica.org/abstract.cfm"},"severity":"advisory","ref_index":16,"audited_at":"2026-05-19T21:07:22.033256Z","event_type":"pith.integrity.v1","detected_doi":"10.1364/ao.21.002758.url:https://opg.optica.org/abstract.cfm","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"recoverable_identifier","evidence_hash":"7b632a7a245f07e11bbb4fd0f1c95bdf4455a84dd48f400d190998249ddfc96e","paper_version":1,"verdict_class":"incontrovertible","resolved_title":null,"detector_version":"1.0.0","detected_arxiv_id":null}},{"event_id":3057,"event_type":"pith.integrity.v1","payload_sha256":"95cee469854c5dc18f20c5282cd31d4d1ebf5fc052b20e18f12d214c58d0bfaa","signature_b64":"8Fwb0ZLKAbvDB6EOvUyocMEYsC+6i47zcsCe2bkbxWSusr79fENhP4mrHZzYZqzwIkMGK2GioPb09UjrAXb9BA==","signing_key_id":"pith-v1-2026-05","created_at":"2026-05-19T21:07:22.446228+00:00","payload":{"note":"DOI in the printed bibliography is fragmented by whitespace or line breaks. A longer candidate (10.1038/ncomms4762.url:https://www.nature.com/articles/ncomms4762(visitedon) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"C. Behrens et al. “Few-femtosecond time-resolved measurements of X-ray free-electron lasers”. en. In:Nature Communications5.1 (Apr. 2014), p. 3762.issn: 2041-1723.doi: 10.1038/ncomms4762.url:https://www.nature.com/articles/ncomms4762(visite","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":15,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"C. Behrens et al. “Few-femtosecond time-resolved measurements of X-ray free-electron lasers”. en. 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A longer candidate (10.1103/physrevaccelbeams.20.112801.url:https://link.aps.org/doi/10.1103/PhysRevAccelBeams.20.112801) was visible in the surrounding text but could not be confirmed against doi.org as printed.","snippet":"Wei Wang et al. “Temporal profile monitor based on electro-optic spatial decoding for low-energy bunches”. en. In:Physical Review Accelerators and Beams20.11 (Nov. 2017), p. 112801.issn: 2469-9888.doi:10.1103/PhysRevAccelBeams.20.112801.url","arxiv_id":"2604.25489","detector":"doi_compliance","evidence":{"ref_index":14,"verdict_class":"incontrovertible","resolved_title":null,"printed_excerpt":"Wei Wang et al. “Temporal profile monitor based on electro-optic spatial decoding for low-energy bunches”. en. 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