{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:X2QIR4C7EHT6EO7HVHSEEIPODX","short_pith_number":"pith:X2QIR4C7","schema_version":"1.0","canonical_sha256":"bea088f05f21e7e23be7a9e44221ee1de6ac614c0c6693e3b538f43d9710a94c","source":{"kind":"arxiv","id":"1907.02550","version":3},"attestation_state":"computed","paper":{"title":"Strong CP problem with low-energy emergent QCD: The 4321 case","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Avelino Vicente, Javier Fuentes-Martin, Mario Reig","submitted_at":"2019-07-04T18:09:38Z","abstract_excerpt":"We analyze the strong CP problem and the implications for axion physics in the context of $U_1$ vector leptoquark models, recently put forward as an elegant solution to the hints of lepton flavor universality violation in B-meson decays. It is shown that in minimal gauge models containing the $U_1$ as a gauge boson, the Peccei-Quinn solution of the strong CP problem requires the introduction of two axions. Characteristic predictions for the associated axions can be deduced from the model parameter space hinted by B-physics, allowing the new axion sector to account for the dark matter of the Un"},"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":"1907.02550","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-07-04T18:09:38Z","cross_cats_sorted":[],"title_canon_sha256":"3b7d194a14176f3d1a62ccdea9b8c43b4134fa77be333e24d03e4bf8a4759bee","abstract_canon_sha256":"6ad4d2ce135bb0100645732d5f24d14c2ee8360759b5c6b79ba0264371384db7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:10.331673Z","signature_b64":"0NesFJWC36eUds5cqk08i7BbVnLY1u2gwEqbJNDVjGK3nV/Ak5ZbVpVejC4Q14trjJ8mUnv0xjZrDGE+p3SNAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bea088f05f21e7e23be7a9e44221ee1de6ac614c0c6693e3b538f43d9710a94c","last_reissued_at":"2026-07-05T00:28:10.330937Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:10.330937Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strong CP problem with low-energy emergent QCD: The 4321 case","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Avelino Vicente, Javier Fuentes-Martin, Mario Reig","submitted_at":"2019-07-04T18:09:38Z","abstract_excerpt":"We analyze the strong CP problem and the implications for axion physics in the context of $U_1$ vector leptoquark models, recently put forward as an elegant solution to the hints of lepton flavor universality violation in B-meson decays. It is shown that in minimal gauge models containing the $U_1$ as a gauge boson, the Peccei-Quinn solution of the strong CP problem requires the introduction of two axions. Characteristic predictions for the associated axions can be deduced from the model parameter space hinted by B-physics, allowing the new axion sector to account for the dark matter of the Un"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02550","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/1907.02550/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":"1907.02550","created_at":"2026-07-05T00:28:10.331017+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.02550v3","created_at":"2026-07-05T00:28:10.331017+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02550","created_at":"2026-07-05T00:28:10.331017+00:00"},{"alias_kind":"pith_short_12","alias_value":"X2QIR4C7EHT6","created_at":"2026-07-05T00:28:10.331017+00:00"},{"alias_kind":"pith_short_16","alias_value":"X2QIR4C7EHT6EO7H","created_at":"2026-07-05T00:28:10.331017+00:00"},{"alias_kind":"pith_short_8","alias_value":"X2QIR4C7","created_at":"2026-07-05T00:28:10.331017+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12298","citing_title":"The KSVZ Atlas: A Unified SMEFT-ALP Framework","ref_index":17,"is_internal_anchor":false},{"citing_arxiv_id":"2605.06787","citing_title":"The structure of multi-axion solutions to the strong CP problem","ref_index":61,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08657","citing_title":"How well can the QCD axion hide?","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2605.06787","citing_title":"The structure of multi-axion solutions to the strong CP problem","ref_index":61,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX","json":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX.json","graph_json":"https://pith.science/api/pith-number/X2QIR4C7EHT6EO7HVHSEEIPODX/graph.json","events_json":"https://pith.science/api/pith-number/X2QIR4C7EHT6EO7HVHSEEIPODX/events.json","paper":"https://pith.science/paper/X2QIR4C7"},"agent_actions":{"view_html":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX","download_json":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX.json","view_paper":"https://pith.science/paper/X2QIR4C7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.02550&json=true","fetch_graph":"https://pith.science/api/pith-number/X2QIR4C7EHT6EO7HVHSEEIPODX/graph.json","fetch_events":"https://pith.science/api/pith-number/X2QIR4C7EHT6EO7HVHSEEIPODX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX/action/storage_attestation","attest_author":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX/action/author_attestation","sign_citation":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX/action/citation_signature","submit_replication":"https://pith.science/pith/X2QIR4C7EHT6EO7HVHSEEIPODX/action/replication_record"}},"created_at":"2026-07-05T00:28:10.331017+00:00","updated_at":"2026-07-05T00:28:10.331017+00:00"}