{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:RJNTY6D2A5AZSMQOOZ4NAVOHXB","short_pith_number":"pith:RJNTY6D2","schema_version":"1.0","canonical_sha256":"8a5b3c787a074199320e7678d055c7b872973f1c6a84abeec56059be54665c5f","source":{"kind":"arxiv","id":"1012.2874","version":1},"attestation_state":"computed","paper":{"title":"Abelian symmetries in the two-Higgs-doublet model with fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Joao P. Silva, P. M. Ferreira","submitted_at":"2010-12-13T21:04:48Z","abstract_excerpt":"We classify all possible implementations of an abelian symmetry in the two-Higgs-doublet model with fermions. We identify those symmetries which are consistent with non-vanishing quark masses and a CKM matrix which is not block-diagonal. Our analysis takes us from a plethora of possibilities down to 246 relevant cases, requiring only 34 distinct matrix forms. We show that applying Z_n with n \\geq 4 to the scalar sector leads to a continuous U(1) symmetry in the whole Lagrangian. Finally, we address the possibilities of spontaneous CP violation and of natural suppression of the flavour changing"},"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":"1012.2874","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-13T21:04:48Z","cross_cats_sorted":[],"title_canon_sha256":"3100c4f7737ef0446ac38ae1abce3ec6be00d7b16f65879215f3bb52d6c75053","abstract_canon_sha256":"3501c038a886f631a55f3a1a0faff884793290b913f90a6f732a56303257fad2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:39.994837Z","signature_b64":"iI8FzmHnH9U6yfst+JNXgYOr9hPwOvvmtYlivZa7QxHxcwCtyIDh4a8ObxQezJebIdagtBa+kioANAHwyMcRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a5b3c787a074199320e7678d055c7b872973f1c6a84abeec56059be54665c5f","last_reissued_at":"2026-05-18T04:22:39.994464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:39.994464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Abelian symmetries in the two-Higgs-doublet model with fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Joao P. Silva, P. M. Ferreira","submitted_at":"2010-12-13T21:04:48Z","abstract_excerpt":"We classify all possible implementations of an abelian symmetry in the two-Higgs-doublet model with fermions. We identify those symmetries which are consistent with non-vanishing quark masses and a CKM matrix which is not block-diagonal. Our analysis takes us from a plethora of possibilities down to 246 relevant cases, requiring only 34 distinct matrix forms. We show that applying Z_n with n \\geq 4 to the scalar sector leads to a continuous U(1) symmetry in the whole Lagrangian. Finally, we address the possibilities of spontaneous CP violation and of natural suppression of the flavour changing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.2874","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":""},"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":"1012.2874","created_at":"2026-05-18T04:22:39.994526+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.2874v1","created_at":"2026-05-18T04:22:39.994526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.2874","created_at":"2026-05-18T04:22:39.994526+00:00"},{"alias_kind":"pith_short_12","alias_value":"RJNTY6D2A5AZ","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"RJNTY6D2A5AZSMQO","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"RJNTY6D2","created_at":"2026-05-18T12:26:13.927090+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.10979","citing_title":"FCNC-free multi-Higgs-doublet models from broken family symmetries","ref_index":38,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB","json":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB.json","graph_json":"https://pith.science/api/pith-number/RJNTY6D2A5AZSMQOOZ4NAVOHXB/graph.json","events_json":"https://pith.science/api/pith-number/RJNTY6D2A5AZSMQOOZ4NAVOHXB/events.json","paper":"https://pith.science/paper/RJNTY6D2"},"agent_actions":{"view_html":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB","download_json":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB.json","view_paper":"https://pith.science/paper/RJNTY6D2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.2874&json=true","fetch_graph":"https://pith.science/api/pith-number/RJNTY6D2A5AZSMQOOZ4NAVOHXB/graph.json","fetch_events":"https://pith.science/api/pith-number/RJNTY6D2A5AZSMQOOZ4NAVOHXB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB/action/storage_attestation","attest_author":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB/action/author_attestation","sign_citation":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB/action/citation_signature","submit_replication":"https://pith.science/pith/RJNTY6D2A5AZSMQOOZ4NAVOHXB/action/replication_record"}},"created_at":"2026-05-18T04:22:39.994526+00:00","updated_at":"2026-05-18T04:22:39.994526+00:00"}