{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:OLICSWCZKTWMHF66EVOA6TSMZA","short_pith_number":"pith:OLICSWCZ","schema_version":"1.0","canonical_sha256":"72d029585954ecc397de255c0f4e4cc8284fcee36ffc2c9fc6d1a60c283534ee","source":{"kind":"arxiv","id":"2408.12146","version":1},"attestation_state":"computed","paper":{"title":"Three-zero texture of quark-mass matrices as a solution to the strong CP problem","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Qiuyue Liang, Risshin Okabe, Tsutomu T. Yanagida","submitted_at":"2024-08-22T06:16:11Z","abstract_excerpt":"The strong charge-parity (CP) problem has been a long-standing problem in particle physics since 1976, illustrating the small CP-violation phase in quantum chromodynamics (QCD). The axion, based on the Peccei-Quinn mechanism, is the most popular solution to the problem. In this paper, we propose an alternative solution based on the three-zero texture of quark mass matrices without additional heavy quark states, which has been shown to fit data well. We show that the required three-zero texture is naturally constructed in a six-dimensional spacetime with a $\\mathbf{T}^2/\\mathbb{Z}_3$ orbifold c"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2408.12146","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-08-22T06:16:11Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"187c1e9be90b6256d33d9dbc234ae1189bb7ba002a4275c538a37056b8b53d28","abstract_canon_sha256":"1eb629b09e11af180f4bf7626cdde4907b4c8e10534ee5ff4361d5b49bdfc2a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:58:04.679695Z","signature_b64":"I9eYoTvzweN/Rohj+dnD28ZSsbkBuCGQQenkKATPCi5qM3rdi2CLKnxc21BEBznuzqmNPhDO40lxS8ptbnIoDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72d029585954ecc397de255c0f4e4cc8284fcee36ffc2c9fc6d1a60c283534ee","last_reissued_at":"2026-07-05T08:58:04.679200Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:58:04.679200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Three-zero texture of quark-mass matrices as a solution to the strong CP problem","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Qiuyue Liang, Risshin Okabe, Tsutomu T. Yanagida","submitted_at":"2024-08-22T06:16:11Z","abstract_excerpt":"The strong charge-parity (CP) problem has been a long-standing problem in particle physics since 1976, illustrating the small CP-violation phase in quantum chromodynamics (QCD). The axion, based on the Peccei-Quinn mechanism, is the most popular solution to the problem. In this paper, we propose an alternative solution based on the three-zero texture of quark mass matrices without additional heavy quark states, which has been shown to fit data well. We show that the required three-zero texture is naturally constructed in a six-dimensional spacetime with a $\\mathbf{T}^2/\\mathbb{Z}_3$ orbifold c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.12146","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2408.12146/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2408.12146","created_at":"2026-07-05T08:58:04.679266+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.12146v1","created_at":"2026-07-05T08:58:04.679266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.12146","created_at":"2026-07-05T08:58:04.679266+00:00"},{"alias_kind":"pith_short_12","alias_value":"OLICSWCZKTWM","created_at":"2026-07-05T08:58:04.679266+00:00"},{"alias_kind":"pith_short_16","alias_value":"OLICSWCZKTWMHF66","created_at":"2026-07-05T08:58:04.679266+00:00"},{"alias_kind":"pith_short_8","alias_value":"OLICSWCZ","created_at":"2026-07-05T08:58:04.679266+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2505.20395","citing_title":"Solving the strong CP problem in string-inspired theories with modular invariance","ref_index":13,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA","json":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA.json","graph_json":"https://pith.science/api/pith-number/OLICSWCZKTWMHF66EVOA6TSMZA/graph.json","events_json":"https://pith.science/api/pith-number/OLICSWCZKTWMHF66EVOA6TSMZA/events.json","paper":"https://pith.science/paper/OLICSWCZ"},"agent_actions":{"view_html":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA","download_json":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA.json","view_paper":"https://pith.science/paper/OLICSWCZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.12146&json=true","fetch_graph":"https://pith.science/api/pith-number/OLICSWCZKTWMHF66EVOA6TSMZA/graph.json","fetch_events":"https://pith.science/api/pith-number/OLICSWCZKTWMHF66EVOA6TSMZA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA/action/storage_attestation","attest_author":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA/action/author_attestation","sign_citation":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA/action/citation_signature","submit_replication":"https://pith.science/pith/OLICSWCZKTWMHF66EVOA6TSMZA/action/replication_record"}},"created_at":"2026-07-05T08:58:04.679266+00:00","updated_at":"2026-07-05T08:58:04.679266+00:00"}