{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:2ELM4A2DEWIIQY5UGOSMCZJBMU","short_pith_number":"pith:2ELM4A2D","schema_version":"1.0","canonical_sha256":"d116ce034325908863b433a4c16521653f2ef5e188af8da6b1561936c0d41afc","source":{"kind":"arxiv","id":"hep-ph/0408319","version":3},"attestation_state":"computed","paper":{"title":"New Solutions to the Strong CP Problem","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"F. Sannino (NORDITA), S.D.H. Hsu (U Oregon)","submitted_at":"2004-08-27T16:18:44Z","abstract_excerpt":"We exhibit a solution to the strong CP problem in which ultraviolet physics renders the QCD theta angle physically unobservable. Our models involve new strong interactions beyond QCD and particles charged under both the new interactions and ordinary color."},"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/0408319","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-08-27T16:18:44Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"1659a02656bb51b4f04afc5bab6767bdaf8d6400fd8fc338db4dd69d316cddce","abstract_canon_sha256":"e33397c0bb23978f3da8df57f2bc7a1859bc5df469a4b2f8ef607f90ee26a6eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:48:28.913500Z","signature_b64":"j16XmGWUZnNEJuAbPuQBdR1CaXJYk3Wj+JR2MHukhd3YIWNTU2RGGsL4FwsxWWlDv2CxuEZcoTwaD4AvE4tEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d116ce034325908863b433a4c16521653f2ef5e188af8da6b1561936c0d41afc","last_reissued_at":"2026-07-04T16:48:28.913117Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:48:28.913117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"New Solutions to the Strong CP Problem","license":"","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"F. Sannino (NORDITA), S.D.H. Hsu (U Oregon)","submitted_at":"2004-08-27T16:18:44Z","abstract_excerpt":"We exhibit a solution to the strong CP problem in which ultraviolet physics renders the QCD theta angle physically unobservable. Our models involve new strong interactions beyond QCD and particles charged under both the new interactions and ordinary color."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0408319","kind":"arxiv","version":3},"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/0408319/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/0408319","created_at":"2026-07-04T16:48:28.913182+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0408319v3","created_at":"2026-07-04T16:48:28.913182+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0408319","created_at":"2026-07-04T16:48:28.913182+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ELM4A2DEWII","created_at":"2026-07-04T16:48:28.913182+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ELM4A2DEWIIQY5U","created_at":"2026-07-04T16:48:28.913182+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ELM4A2D","created_at":"2026-07-04T16:48:28.913182+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.06787","citing_title":"The structure of multi-axion solutions to the strong CP problem","ref_index":68,"is_internal_anchor":true},{"citing_arxiv_id":"2305.15473","citing_title":"Worldline effective field theory of inspiralling black hole binaries in presence of dark photon and axionic dark matter","ref_index":106,"is_internal_anchor":true},{"citing_arxiv_id":"2605.06787","citing_title":"The structure of multi-axion solutions to the strong CP problem","ref_index":66,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU","json":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU.json","graph_json":"https://pith.science/api/pith-number/2ELM4A2DEWIIQY5UGOSMCZJBMU/graph.json","events_json":"https://pith.science/api/pith-number/2ELM4A2DEWIIQY5UGOSMCZJBMU/events.json","paper":"https://pith.science/paper/2ELM4A2D"},"agent_actions":{"view_html":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU","download_json":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU.json","view_paper":"https://pith.science/paper/2ELM4A2D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0408319&json=true","fetch_graph":"https://pith.science/api/pith-number/2ELM4A2DEWIIQY5UGOSMCZJBMU/graph.json","fetch_events":"https://pith.science/api/pith-number/2ELM4A2DEWIIQY5UGOSMCZJBMU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU/action/storage_attestation","attest_author":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU/action/author_attestation","sign_citation":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU/action/citation_signature","submit_replication":"https://pith.science/pith/2ELM4A2DEWIIQY5UGOSMCZJBMU/action/replication_record"}},"created_at":"2026-07-04T16:48:28.913182+00:00","updated_at":"2026-07-04T16:48:28.913182+00:00"}