{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:BW6S47TKQDTXKRYZHKDQUM544P","short_pith_number":"pith:BW6S47TK","canonical_record":{"source":{"id":"hep-ph/9903456","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-03-23T10:34:25Z","cross_cats_sorted":[],"title_canon_sha256":"8bf454439766b055d056015a1024e046546ece771b1d1054c83ccc67175360a5","abstract_canon_sha256":"bace95e2950a4de66328bcb47420de8f40bccaf6701fbb8106a48ca77bc3fe63"},"schema_version":"1.0"},"canonical_sha256":"0dbd2e7e6a80e77547193a870a33bce3da33dd219d0912fd066a180f08ee5e85","source":{"kind":"arxiv","id":"hep-ph/9903456","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9903456","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9903456v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9903456","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"BW6S47TKQDTX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"BW6S47TKQDTXKRYZ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"BW6S47TK","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:BW6S47TKQDTXKRYZHKDQUM544P","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9903456","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-03-23T10:34:25Z","cross_cats_sorted":[],"title_canon_sha256":"8bf454439766b055d056015a1024e046546ece771b1d1054c83ccc67175360a5","abstract_canon_sha256":"bace95e2950a4de66328bcb47420de8f40bccaf6701fbb8106a48ca77bc3fe63"},"schema_version":"1.0"},"canonical_sha256":"0dbd2e7e6a80e77547193a870a33bce3da33dd219d0912fd066a180f08ee5e85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:55.779685Z","signature_b64":"aE5z+B5mgJidr70M3DCOWw3/RfAAw0dz0a+c5JyQ6iC4GjALm8fz9Jiq8ued+4tsIyQFewfOkNPqkgWw+9FSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0dbd2e7e6a80e77547193a870a33bce3da33dd219d0912fd066a180f08ee5e85","last_reissued_at":"2026-05-18T04:34:55.779333Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:55.779333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9903456","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":"uAvhQfzQQ/J8W3THTBvaUeMismVCEAQv0hvtuU/wFslDGS3ZgcGdVEYLda+b/4YsBVzCg6LeuHeJJVnVto+8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:42:41.589395Z"},"content_sha256":"3c0c550b6280570dfda5676e16d03c49d7359f86c1cb438ce46797f42bf3bdb4","schema_version":"1.0","event_id":"sha256:3c0c550b6280570dfda5676e16d03c49d7359f86c1cb438ce46797f42bf3bdb4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:BW6S47TKQDTXKRYZHKDQUM544P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Strategies to Extract $\\beta$ and $\\gamma$ from $B_d\\to \\pi^+ \\pi^-$ and $B_s\\to K^+ K^-$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Robert Fleischer (CERN)","submitted_at":"1999-03-23T10:34:25Z","abstract_excerpt":"The decays $B_d\\to \\pi^+ \\pi^-$ and $B_s\\to K^+ K^-$ are related to each other by interchanging all down and strange quarks, i.e. through the $U$-spin flavour symmetry of strong interactions. A completely general parametrization of the CP-violating observables of these modes is presented within the framework of the Standard Model, allowing the determination of the angles $\\beta$ and $\\gamma$ of the unitarity triangle. This strategy is affected neither by penguin contributions nor by any final-state-interaction effects, and its theoretical accuracy is only limited by $U$-spin-breaking correctio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9903456","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":"/jG6iI0WqP0iEeIpqJQt1YPxE++sQyoJYcw9Symrz3Z3Axh0+29ug6kf8KjkYoViowxS9x0sQHSEN1GL3cSyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:42:41.589737Z"},"content_sha256":"cb0cac7d91305a1eb3de31fe1c97d4cceadf0851a3f09bb54b942e3db3f79eeb","schema_version":"1.0","event_id":"sha256:cb0cac7d91305a1eb3de31fe1c97d4cceadf0851a3f09bb54b942e3db3f79eeb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BW6S47TKQDTXKRYZHKDQUM544P/bundle.json","state_url":"https://pith.science/pith/BW6S47TKQDTXKRYZHKDQUM544P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BW6S47TKQDTXKRYZHKDQUM544P/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":"2026-06-08T22:42:41Z","links":{"resolver":"https://pith.science/pith/BW6S47TKQDTXKRYZHKDQUM544P","bundle":"https://pith.science/pith/BW6S47TKQDTXKRYZHKDQUM544P/bundle.json","state":"https://pith.science/pith/BW6S47TKQDTXKRYZHKDQUM544P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BW6S47TKQDTXKRYZHKDQUM544P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:BW6S47TKQDTXKRYZHKDQUM544P","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":"bace95e2950a4de66328bcb47420de8f40bccaf6701fbb8106a48ca77bc3fe63","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-03-23T10:34:25Z","title_canon_sha256":"8bf454439766b055d056015a1024e046546ece771b1d1054c83ccc67175360a5"},"schema_version":"1.0","source":{"id":"hep-ph/9903456","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9903456","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9903456v1","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9903456","created_at":"2026-05-18T04:34:55Z"},{"alias_kind":"pith_short_12","alias_value":"BW6S47TKQDTX","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"BW6S47TKQDTXKRYZ","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"BW6S47TK","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:cb0cac7d91305a1eb3de31fe1c97d4cceadf0851a3f09bb54b942e3db3f79eeb","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":"The decays $B_d\\to \\pi^+ \\pi^-$ and $B_s\\to K^+ K^-$ are related to each other by interchanging all down and strange quarks, i.e. through the $U$-spin flavour symmetry of strong interactions. A completely general parametrization of the CP-violating observables of these modes is presented within the framework of the Standard Model, allowing the determination of the angles $\\beta$ and $\\gamma$ of the unitarity triangle. This strategy is affected neither by penguin contributions nor by any final-state-interaction effects, and its theoretical accuracy is only limited by $U$-spin-breaking correctio","authors_text":"Robert Fleischer (CERN)","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1999-03-23T10:34:25Z","title":"New Strategies to Extract $\\beta$ and $\\gamma$ from $B_d\\to \\pi^+ \\pi^-$ and $B_s\\to K^+ K^-$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9903456","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":"sha256:3c0c550b6280570dfda5676e16d03c49d7359f86c1cb438ce46797f42bf3bdb4","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":"bace95e2950a4de66328bcb47420de8f40bccaf6701fbb8106a48ca77bc3fe63","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1999-03-23T10:34:25Z","title_canon_sha256":"8bf454439766b055d056015a1024e046546ece771b1d1054c83ccc67175360a5"},"schema_version":"1.0","source":{"id":"hep-ph/9903456","kind":"arxiv","version":1}},"canonical_sha256":"0dbd2e7e6a80e77547193a870a33bce3da33dd219d0912fd066a180f08ee5e85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dbd2e7e6a80e77547193a870a33bce3da33dd219d0912fd066a180f08ee5e85","first_computed_at":"2026-05-18T04:34:55.779333Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:34:55.779333Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aE5z+B5mgJidr70M3DCOWw3/RfAAw0dz0a+c5JyQ6iC4GjALm8fz9Jiq8ued+4tsIyQFewfOkNPqkgWw+9FSDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:34:55.779685Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9903456","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c0c550b6280570dfda5676e16d03c49d7359f86c1cb438ce46797f42bf3bdb4","sha256:cb0cac7d91305a1eb3de31fe1c97d4cceadf0851a3f09bb54b942e3db3f79eeb"],"state_sha256":"6f45e74e7b024b439487ca6c80039de0aef2e18ae0b677c21292347e65564984"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"68B5wz5ze9QnXO3CIp4h4VgU5LcdVEyx9Je/BXmqBGEsXP1O6DYhjmngu3N4qd79J+MlRpWD6dhPqOzSw/FfAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:42:41.591595Z","bundle_sha256":"4cbd17334f618426d9e7103e9e855eb4dfbc41a588d4ae76e308bdcdff97b726"}}