{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:WRL5RLJCE675NKUK7KDW2V2NNT","short_pith_number":"pith:WRL5RLJC","canonical_record":{"source":{"id":"hep-ph/9909564","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-30T03:52:25Z","cross_cats_sorted":[],"title_canon_sha256":"68e2a2f4bc67396f253076d90c184da419635098cb2a7a9e07909f373b1d1cc7","abstract_canon_sha256":"4e79b174f8c061ac1c3233c3e5d7297e75ee379d183aecb3e8ad2dae5ef4e277"},"schema_version":"1.0"},"canonical_sha256":"b457d8ad2227bfd6aa8afa876d574d6cc779305eb8667ec0687d8e964eecefca","source":{"kind":"arxiv","id":"hep-ph/9909564","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9909564","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9909564v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9909564","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"WRL5RLJCE675","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"WRL5RLJCE675NKUK","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"WRL5RLJC","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:WRL5RLJCE675NKUK7KDW2V2NNT","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9909564","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-30T03:52:25Z","cross_cats_sorted":[],"title_canon_sha256":"68e2a2f4bc67396f253076d90c184da419635098cb2a7a9e07909f373b1d1cc7","abstract_canon_sha256":"4e79b174f8c061ac1c3233c3e5d7297e75ee379d183aecb3e8ad2dae5ef4e277"},"schema_version":"1.0"},"canonical_sha256":"b457d8ad2227bfd6aa8afa876d574d6cc779305eb8667ec0687d8e964eecefca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:55.729033Z","signature_b64":"zxaDoqULZE3s4ved8nAkS71IIB8x9F7G1BlDFDRhS4Xelr/fsToWCI67YCG0lh0W9+ew3Vzlr/ifQxYhuWYADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b457d8ad2227bfd6aa8afa876d574d6cc779305eb8667ec0687d8e964eecefca","last_reissued_at":"2026-05-18T04:34:55.728673Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:55.728673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9909564","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mdkr0rwhGoNvBqCmE6PvlQX+pcIrSKeyJ5F/nxwjt2Ph5G+wovWG/Z1B7DfKvDTXNHOd/ufF2GMaOUiHMRTRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:23:48.819980Z"},"content_sha256":"8e9b63d12e646367bcf2a498d8e780681af1f9102acb1062b183291cf96361b5","schema_version":"1.0","event_id":"sha256:8e9b63d12e646367bcf2a498d8e780681af1f9102acb1062b183291cf96361b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:WRL5RLJCE675NKUK7KDW2V2NNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model-independent information on gamma from B^+- -> pi K Decays","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Matthias Neubert (SLAC)","submitted_at":"1999-09-30T03:52:25Z","abstract_excerpt":"Measurements of the rates for the hadronic decays B^+- -> pi K can be used to derive information on the weak phase gamma=arg(V_ub^*) in a largely model-independent way. Hadronic uncertainties can be reduced to the level of nonfactorizable contributions to the decay amplitudes that are power-suppressed in Lambda/m_b and, in addition, either violate SU(3) flavor symmetry or are doubly Cabibbo suppressed. Various strategies to obtain bounds on gamma and to extract its value with small theoretical uncertainty are described. The potential of B^+- -> pi K decays for probing physics beyond the Standa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9909564","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:34:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lED6o1IpiQkYS3Dyi+potazTym73aDrL1X0w9kRfGdzGUn+avziB+xk0tGRrj7OQ3s61+xS7gmpg6Yfv94dADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T12:23:48.820680Z"},"content_sha256":"3ecd3aa0e8f97d24836fb61907667fff5597f6de7984bc1b8197e62c00b89698","schema_version":"1.0","event_id":"sha256:3ecd3aa0e8f97d24836fb61907667fff5597f6de7984bc1b8197e62c00b89698"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRL5RLJCE675NKUK7KDW2V2NNT/bundle.json","state_url":"https://pith.science/pith/WRL5RLJCE675NKUK7KDW2V2NNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRL5RLJCE675NKUK7KDW2V2NNT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-06T12:23:48Z","links":{"resolver":"https://pith.science/pith/WRL5RLJCE675NKUK7KDW2V2NNT","bundle":"https://pith.science/pith/WRL5RLJCE675NKUK7KDW2V2NNT/bundle.json","state":"https://pith.science/pith/WRL5RLJCE675NKUK7KDW2V2NNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRL5RLJCE675NKUK7KDW2V2NNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:WRL5RLJCE675NKUK7KDW2V2NNT","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":"4e79b174f8c061ac1c3233c3e5d7297e75ee379d183aecb3e8ad2dae5ef4e277","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-30T03:52:25Z","title_canon_sha256":"68e2a2f4bc67396f253076d90c184da419635098cb2a7a9e07909f373b1d1cc7"},"schema_version":"1.0","source":{"id":"hep-ph/9909564","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9909564","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9909564v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9909564","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"WRL5RLJCE675","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"WRL5RLJCE675NKUK","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"WRL5RLJC","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:3ecd3aa0e8f97d24836fb61907667fff5597f6de7984bc1b8197e62c00b89698","target":"graph","created_at":"2026-05-18T04:34:55Z","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"},"paper":{"abstract_excerpt":"Measurements of the rates for the hadronic decays B^+- -> pi K can be used to derive information on the weak phase gamma=arg(V_ub^*) in a largely model-independent way. Hadronic uncertainties can be reduced to the level of nonfactorizable contributions to the decay amplitudes that are power-suppressed in Lambda/m_b and, in addition, either violate SU(3) flavor symmetry or are doubly Cabibbo suppressed. Various strategies to obtain bounds on gamma and to extract its value with small theoretical uncertainty are described. The potential of B^+- -> pi K decays for probing physics beyond the Standa","authors_text":"Matthias Neubert (SLAC)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-09-30T03:52:25Z","title":"Model-independent information on gamma from B^+- -> pi K Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9909564","kind":"arxiv","version":1},"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":"sha256:8e9b63d12e646367bcf2a498d8e780681af1f9102acb1062b183291cf96361b5","target":"record","created_at":"2026-05-18T04:34:55Z","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":"4e79b174f8c061ac1c3233c3e5d7297e75ee379d183aecb3e8ad2dae5ef4e277","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-09-30T03:52:25Z","title_canon_sha256":"68e2a2f4bc67396f253076d90c184da419635098cb2a7a9e07909f373b1d1cc7"},"schema_version":"1.0","source":{"id":"hep-ph/9909564","kind":"arxiv","version":1}},"canonical_sha256":"b457d8ad2227bfd6aa8afa876d574d6cc779305eb8667ec0687d8e964eecefca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b457d8ad2227bfd6aa8afa876d574d6cc779305eb8667ec0687d8e964eecefca","first_computed_at":"2026-05-18T04:34:55.728673Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:34:55.728673Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zxaDoqULZE3s4ved8nAkS71IIB8x9F7G1BlDFDRhS4Xelr/fsToWCI67YCG0lh0W9+ew3Vzlr/ifQxYhuWYADg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:34:55.729033Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9909564","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e9b63d12e646367bcf2a498d8e780681af1f9102acb1062b183291cf96361b5","sha256:3ecd3aa0e8f97d24836fb61907667fff5597f6de7984bc1b8197e62c00b89698"],"state_sha256":"199d8ea299ad275d9c128f46ddeff65483beab90767531a37e813d7d0fa1eedc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rq6psHy8RBKpHhskPFv3NIDwE1Djk/vFkpo84gt+QqmRi5rn6KdsbP9dZAv3sGl9si9TwDONagOqxQwZlW6eDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T12:23:48.824697Z","bundle_sha256":"4dd4abf15a60755f8728215d3e3ebe207dd6f07b45ff85638f2c315e709894cb"}}