{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:UBVYILUPELKN3G3W76TTDMIXVQ","short_pith_number":"pith:UBVYILUP","schema_version":"1.0","canonical_sha256":"a06b842e8f22d4dd9b76ffa731b117ac3a2081bcd2b90f4b11b5a5d388fc8f88","source":{"kind":"arxiv","id":"hep-ex/9804015","version":1},"attestation_state":"computed","paper":{"title":"Penguin decays of B mesons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"James G. Smith, Karen Lingel, Tomasz Skwarnicki","submitted_at":"1998-04-27T21:01:26Z","abstract_excerpt":"Penguin, or loop, decays of B mesons induce effective flavor-changing neutral currents, which are forbidden at tree level in the Standard Model. These decays give special insight into the CKM matrix and are sensitive to non-standard model effects. In this review, we give a historical and theoretical introduction to penguins and a description of the various types of penguin processes: electromagnetic, electroweak, and gluonic. We review the experimental searches for penguin decays, including the measurements of the electromagnetic penguins b -> s gamma and B -> K* gamma and gluonic penguins B -"},"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-ex/9804015","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1998-04-27T21:01:26Z","cross_cats_sorted":[],"title_canon_sha256":"dde580a83288b4e87555cefde82ff29e15a5098ef517a72b86a21d31d47db287","abstract_canon_sha256":"1fc6ca148e444b5b3939430a1c4e8348468b5c3e7fa9f2339a57988c92543b3a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:20.825301Z","signature_b64":"LHLrFqzjArrRfd72mgT9iMK7xDg4JUouv9gOCTSj36QyaCImrg6qH4mW0Dj4tsdk+VQ2c/8eXWvwIY6H2LiGAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a06b842e8f22d4dd9b76ffa731b117ac3a2081bcd2b90f4b11b5a5d388fc8f88","last_reissued_at":"2026-05-18T02:37:20.823675Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:20.823675Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Penguin decays of B mesons","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"James G. Smith, Karen Lingel, Tomasz Skwarnicki","submitted_at":"1998-04-27T21:01:26Z","abstract_excerpt":"Penguin, or loop, decays of B mesons induce effective flavor-changing neutral currents, which are forbidden at tree level in the Standard Model. These decays give special insight into the CKM matrix and are sensitive to non-standard model effects. In this review, we give a historical and theoretical introduction to penguins and a description of the various types of penguin processes: electromagnetic, electroweak, and gluonic. We review the experimental searches for penguin decays, including the measurements of the electromagnetic penguins b -> s gamma and B -> K* gamma and gluonic penguins B -"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9804015","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":"hep-ex/9804015","created_at":"2026-05-18T02:37:20.823739+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9804015v1","created_at":"2026-05-18T02:37:20.823739+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9804015","created_at":"2026-05-18T02:37:20.823739+00:00"},{"alias_kind":"pith_short_12","alias_value":"UBVYILUPELKN","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"UBVYILUPELKN3G3W","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"UBVYILUP","created_at":"2026-05-18T12:25:49.038998+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/UBVYILUPELKN3G3W76TTDMIXVQ","json":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ.json","graph_json":"https://pith.science/api/pith-number/UBVYILUPELKN3G3W76TTDMIXVQ/graph.json","events_json":"https://pith.science/api/pith-number/UBVYILUPELKN3G3W76TTDMIXVQ/events.json","paper":"https://pith.science/paper/UBVYILUP"},"agent_actions":{"view_html":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ","download_json":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ.json","view_paper":"https://pith.science/paper/UBVYILUP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/9804015&json=true","fetch_graph":"https://pith.science/api/pith-number/UBVYILUPELKN3G3W76TTDMIXVQ/graph.json","fetch_events":"https://pith.science/api/pith-number/UBVYILUPELKN3G3W76TTDMIXVQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ/action/storage_attestation","attest_author":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ/action/author_attestation","sign_citation":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ/action/citation_signature","submit_replication":"https://pith.science/pith/UBVYILUPELKN3G3W76TTDMIXVQ/action/replication_record"}},"created_at":"2026-05-18T02:37:20.823739+00:00","updated_at":"2026-05-18T02:37:20.823739+00:00"}