{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:SF36YUFW2STHHMFF7LY4FCMLLU","short_pith_number":"pith:SF36YUFW","schema_version":"1.0","canonical_sha256":"9177ec50b6d4a673b0a5faf1c2898b5d288569662d218bc1cb16502475c96ea2","source":{"kind":"arxiv","id":"1012.1093","version":1},"attestation_state":"computed","paper":{"title":"Flavour physics with a 4th generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Tillmann Heidsieck","submitted_at":"2010-12-06T08:38:28Z","abstract_excerpt":"We present an overview of recent work on flavour physics in the presence of a sequential fourth generation. We will discuss shortly the constraints on the new parameters and in the reminder present predictions for observables like Br(B_s -> mu+ mu-), Br(K -> pi nu nubar) and the indirect CP violation S(psi phi) in the B_s system. We will further stress the importance of epsilon'/epsilon as a possible constraint once reliable lattice results for B_6 and B_8 become available. Lepton flavour violation is also briefly discussed in view of prospects for tau physics at an upgraded flavour factory as"},"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":"1012.1093","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-12-06T08:38:28Z","cross_cats_sorted":[],"title_canon_sha256":"4271a8fe3339debee0ed617a2e3f9f4d4e93de90fc01659d5aa6b1efd2f9bfe0","abstract_canon_sha256":"22982b83ce544348da03290af02c5af98eff4a1e497460a6dd0d773eadd70273"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:01.837602Z","signature_b64":"5Wq2FYzIwZo+CuqYDHQbEnIQ7zOCK4AACKFP2Gk2Sj4V5sa5q3tIoqJnehgHjs4tGmfN5liKOIx+BM08RpHXDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9177ec50b6d4a673b0a5faf1c2898b5d288569662d218bc1cb16502475c96ea2","last_reissued_at":"2026-05-18T04:34:01.837103Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:01.837103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Flavour physics with a 4th generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Tillmann Heidsieck","submitted_at":"2010-12-06T08:38:28Z","abstract_excerpt":"We present an overview of recent work on flavour physics in the presence of a sequential fourth generation. We will discuss shortly the constraints on the new parameters and in the reminder present predictions for observables like Br(B_s -> mu+ mu-), Br(K -> pi nu nubar) and the indirect CP violation S(psi phi) in the B_s system. We will further stress the importance of epsilon'/epsilon as a possible constraint once reliable lattice results for B_6 and B_8 become available. Lepton flavour violation is also briefly discussed in view of prospects for tau physics at an upgraded flavour factory as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1093","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":"1012.1093","created_at":"2026-05-18T04:34:01.837178+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.1093v1","created_at":"2026-05-18T04:34:01.837178+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1093","created_at":"2026-05-18T04:34:01.837178+00:00"},{"alias_kind":"pith_short_12","alias_value":"SF36YUFW2STH","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"SF36YUFW2STHHMFF","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"SF36YUFW","created_at":"2026-05-18T12:26:13.927090+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU","json":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU.json","graph_json":"https://pith.science/api/pith-number/SF36YUFW2STHHMFF7LY4FCMLLU/graph.json","events_json":"https://pith.science/api/pith-number/SF36YUFW2STHHMFF7LY4FCMLLU/events.json","paper":"https://pith.science/paper/SF36YUFW"},"agent_actions":{"view_html":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU","download_json":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU.json","view_paper":"https://pith.science/paper/SF36YUFW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.1093&json=true","fetch_graph":"https://pith.science/api/pith-number/SF36YUFW2STHHMFF7LY4FCMLLU/graph.json","fetch_events":"https://pith.science/api/pith-number/SF36YUFW2STHHMFF7LY4FCMLLU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU/action/storage_attestation","attest_author":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU/action/author_attestation","sign_citation":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU/action/citation_signature","submit_replication":"https://pith.science/pith/SF36YUFW2STHHMFF7LY4FCMLLU/action/replication_record"}},"created_at":"2026-05-18T04:34:01.837178+00:00","updated_at":"2026-05-18T04:34:01.837178+00:00"}