{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NWFTUOPOZ5F5OHYSASP6C7L7FD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1847c6938345007ed9c2a0c7adeed528592b8bea886e40d9cf25d4715235da21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-13T20:47:23Z","title_canon_sha256":"46bb81898525109b74516779fbe2ddd24528c0099ee9c0bdc6af7597b99f9b24"},"schema_version":"1.0","source":{"id":"1905.05278","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.05278","created_at":"2026-07-05T00:55:44Z"},{"alias_kind":"arxiv_version","alias_value":"1905.05278v2","created_at":"2026-07-05T00:55:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.05278","created_at":"2026-07-05T00:55:44Z"},{"alias_kind":"pith_short_12","alias_value":"NWFTUOPOZ5F5","created_at":"2026-07-05T00:55:44Z"},{"alias_kind":"pith_short_16","alias_value":"NWFTUOPOZ5F5OHYS","created_at":"2026-07-05T00:55:44Z"},{"alias_kind":"pith_short_8","alias_value":"NWFTUOPO","created_at":"2026-07-05T00:55:44Z"}],"graph_snapshots":[{"event_id":"sha256:9de329bfb593c2facfa470ee914d09b87e75804ed7f7b50f401f96c832507883","target":"graph","created_at":"2026-07-05T00:55:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1905.05278/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The models based on $SU(3)_C\\times SU(3)_L\\times U(1)_X$ gauge symmetry (331-models) have been advocated to explain the number of fermion families. These models place one quark family to a different representation than the other two. The traditional 331-models are plagued by scalar mediated quark flavour changing neutral currents (FCNC) at tree-level. So far there has been no concrete mechanisms to suppress these FCNCs in 331-models. Recently it has been shown that the Froggatt-Nielsen mechanism can be incorporated into the 331-setting in an economical fashion (FN331-model). The FN331-model ex","authors_text":"Katri Huitu, Niko Koivunen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-13T20:47:23Z","title":"Suppression of scalar mediated FCNCs in a $SU(3)_c\\times SU(3)_L\\times U(1)_X$-model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.05278","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:15570fcba06680b89dd2495a37f4278afb0e26f93cdd7e15cd65fcd4d74081b5","target":"record","created_at":"2026-07-05T00:55:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1847c6938345007ed9c2a0c7adeed528592b8bea886e40d9cf25d4715235da21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-05-13T20:47:23Z","title_canon_sha256":"46bb81898525109b74516779fbe2ddd24528c0099ee9c0bdc6af7597b99f9b24"},"schema_version":"1.0","source":{"id":"1905.05278","kind":"arxiv","version":2}},"canonical_sha256":"6d8b3a39eecf4bd71f12049fe17d7f28f8d85df45f10198e8739d40dc33ac283","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d8b3a39eecf4bd71f12049fe17d7f28f8d85df45f10198e8739d40dc33ac283","first_computed_at":"2026-07-05T00:55:44.829422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:44.829422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F+sTUyS6Uzlgo0fJE26WlTLHZIlsMbCuWmBH+P5mbzF+8m9kvJ4xTVHiqcI3XQiyBvXVGkM8UGQSr/YcTIpiCw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:44.829850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.05278","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15570fcba06680b89dd2495a37f4278afb0e26f93cdd7e15cd65fcd4d74081b5","sha256:9de329bfb593c2facfa470ee914d09b87e75804ed7f7b50f401f96c832507883"],"state_sha256":"38a51f6f1d9a7bc195ac935f0a4f0cb72822b6468ead9496ef4b31eae0715ac3"}