{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:NORUNCUAX4LJQ4PY4YGTXHZOYN","short_pith_number":"pith:NORUNCUA","schema_version":"1.0","canonical_sha256":"6ba3468a80bf169871f8e60d3b9f2ec369240fdd98387bd4ce303803e020d74e","source":{"kind":"arxiv","id":"hep-ph/9403203","version":1},"attestation_state":"computed","paper":{"title":"Missing (up) Mass, Accidental Anomalous Symmetries, and the Strong CP Problem","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Nathan Seiberg, Tom Banks, Yosef Nir","submitted_at":"1994-03-01T21:31:33Z","abstract_excerpt":"We reconsider the massless up quark solution of the strong CP problem. We show that an anomaly free horizontal symmetry can naturally lead to a massless up quark and to a corresponding accidental anomalous symmetry. Reviewing the controversy about the phenomenological viability of $m_u=0$ we conclude that this possiblity is still open and can solve the strong CP problem. To appear in the Proceedings of The Yukawa Couplings and the Origins of Mass Workshop."},"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":"hep-ph/9403203","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-03-01T21:31:33Z","cross_cats_sorted":[],"title_canon_sha256":"c856f8ecae0ce46d90b9c8b9f05198cac37b2c0a09c8f96beb7fd14249d48607","abstract_canon_sha256":"5267e4fffe02af0a5e10124bf78046e9a615dd77b4acf4e6b9be594e8c3241cc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:29:33.320877Z","signature_b64":"d5631hS5BekOVyMR4Peh6lKH448Gor4BHWH0u25bovMCfAuSHbf+Dur2csWRbpD7zGWSGZBPf0CB7fcwqFRWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ba3468a80bf169871f8e60d3b9f2ec369240fdd98387bd4ce303803e020d74e","last_reissued_at":"2026-07-04T14:29:33.320492Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:29:33.320492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Missing (up) Mass, Accidental Anomalous Symmetries, and the Strong CP Problem","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Nathan Seiberg, Tom Banks, Yosef Nir","submitted_at":"1994-03-01T21:31:33Z","abstract_excerpt":"We reconsider the massless up quark solution of the strong CP problem. We show that an anomaly free horizontal symmetry can naturally lead to a massless up quark and to a corresponding accidental anomalous symmetry. Reviewing the controversy about the phenomenological viability of $m_u=0$ we conclude that this possiblity is still open and can solve the strong CP problem. To appear in the Proceedings of The Yukawa Couplings and the Origins of Mass Workshop."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9403203","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/hep-ph/9403203/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":"hep-ph/9403203","created_at":"2026-07-04T14:29:33.320548+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9403203v1","created_at":"2026-07-04T14:29:33.320548+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9403203","created_at":"2026-07-04T14:29:33.320548+00:00"},{"alias_kind":"pith_short_12","alias_value":"NORUNCUAX4LJ","created_at":"2026-07-04T14:29:33.320548+00:00"},{"alias_kind":"pith_short_16","alias_value":"NORUNCUAX4LJQ4PY","created_at":"2026-07-04T14:29:33.320548+00:00"},{"alias_kind":"pith_short_8","alias_value":"NORUNCUA","created_at":"2026-07-04T14:29:33.320548+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2504.02030","citing_title":"Neutron Star Eclipses as Axion Laboratories","ref_index":7,"is_internal_anchor":true},{"citing_arxiv_id":"2003.01100","citing_title":"The landscape of QCD axion models","ref_index":86,"is_internal_anchor":true},{"citing_arxiv_id":"2604.28035","citing_title":"Topological Susceptibility and QCD at Finite Theta Angle","ref_index":44,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN","json":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN.json","graph_json":"https://pith.science/api/pith-number/NORUNCUAX4LJQ4PY4YGTXHZOYN/graph.json","events_json":"https://pith.science/api/pith-number/NORUNCUAX4LJQ4PY4YGTXHZOYN/events.json","paper":"https://pith.science/paper/NORUNCUA"},"agent_actions":{"view_html":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN","download_json":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN.json","view_paper":"https://pith.science/paper/NORUNCUA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9403203&json=true","fetch_graph":"https://pith.science/api/pith-number/NORUNCUAX4LJQ4PY4YGTXHZOYN/graph.json","fetch_events":"https://pith.science/api/pith-number/NORUNCUAX4LJQ4PY4YGTXHZOYN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN/action/storage_attestation","attest_author":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN/action/author_attestation","sign_citation":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN/action/citation_signature","submit_replication":"https://pith.science/pith/NORUNCUAX4LJQ4PY4YGTXHZOYN/action/replication_record"}},"created_at":"2026-07-04T14:29:33.320548+00:00","updated_at":"2026-07-04T14:29:33.320548+00:00"}