{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:X566KOQYP663AT65P4BLWIIR6D","short_pith_number":"pith:X566KOQY","canonical_record":{"source":{"id":"1710.00746","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-10-02T16:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"c669772cc33b3c73866108bf43c8fe712eb8ce2f639e9198fdf6d322679853c4","abstract_canon_sha256":"87d783d6a4f690fd371a120f8b71b2d76ab1427f972e02558fe0a8011a864589"},"schema_version":"1.0"},"canonical_sha256":"bf7de53a187fbdb04fdd7f02bb2111f0c58af5317d4362936fc4b12e2d9eac8a","source":{"kind":"arxiv","id":"1710.00746","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00746","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00746v2","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00746","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"X566KOQYP663","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"X566KOQYP663AT65","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"X566KOQY","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:X566KOQYP663AT65P4BLWIIR6D","target":"record","payload":{"canonical_record":{"source":{"id":"1710.00746","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-10-02T16:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"c669772cc33b3c73866108bf43c8fe712eb8ce2f639e9198fdf6d322679853c4","abstract_canon_sha256":"87d783d6a4f690fd371a120f8b71b2d76ab1427f972e02558fe0a8011a864589"},"schema_version":"1.0"},"canonical_sha256":"bf7de53a187fbdb04fdd7f02bb2111f0c58af5317d4362936fc4b12e2d9eac8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:40.359927Z","signature_b64":"9Z8XGnNciI/Q9poOxSn68q8epojVCCba4gXbWdx+Uca4lyLSG3RA4QT+hfKoCC3RGuHhSKixdeYfNbJRfPjlCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf7de53a187fbdb04fdd7f02bb2111f0c58af5317d4362936fc4b12e2d9eac8a","last_reissued_at":"2026-05-18T00:28:40.359255Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:40.359255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.00746","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NP32gG8oPFCFzZYEXrNApyEW9bMyarc/n7ZBv2cXuiL9nNzqClCnyC40wxmJimU76gaUjupTWHYy20QNc3RGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:42:54.449255Z"},"content_sha256":"b083d84293cacd502b7a505c66f3d2d12ecddb7adc964ef2a24ae4a3cd1b93cf","schema_version":"1.0","event_id":"sha256:b083d84293cacd502b7a505c66f3d2d12ecddb7adc964ef2a24ae4a3cd1b93cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:X566KOQYP663AT65P4BLWIIR6D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Angular distribution of polarised $\\Lambda_b$ baryons decaying to $\\Lambda \\ell^+\\ell^-$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Michal Kreps, Thomas Blake","submitted_at":"2017-10-02T16:01:24Z","abstract_excerpt":"Rare $b \\to s\\ell^+\\ell^-$ flavour-changing-neutral-current processes provide important tests of the Standard Model of particle physics. Angular observables in exclusive $b \\to s\\ell^+\\ell^-$ processes can be particularly powerful as they allow hadronic uncertainties to be controlled. Amongst the exclusive processes that have been studied by experiments, the decay $\\Lambda_b\\to \\Lambda\\ell^+\\ell^-$ is unique in that the $\\Lambda_b$ baryon can be produced polarised. In this paper, we derive an expression for the angular distribution of the $\\Lambda_b\\to \\Lambda\\ell^+\\ell^-$ decay for the case w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00746","kind":"arxiv","version":2},"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":"2026-05-18T00:28:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lAgPGKIApOgpnM/V/nf+ZVYo5UR6oT2AkH+i2rp0bXGHaZ+BTyS1rt0CgnPNrgx+WZcAW5wCoFR2w1GcnubMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:42:54.450010Z"},"content_sha256":"6ea50eef0b0d56e8ef3d80fff7f9f0bea46c48becd4d8ca20dee86aba7b0e918","schema_version":"1.0","event_id":"sha256:6ea50eef0b0d56e8ef3d80fff7f9f0bea46c48becd4d8ca20dee86aba7b0e918"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X566KOQYP663AT65P4BLWIIR6D/bundle.json","state_url":"https://pith.science/pith/X566KOQYP663AT65P4BLWIIR6D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X566KOQYP663AT65P4BLWIIR6D/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":"2026-06-04T02:42:54Z","links":{"resolver":"https://pith.science/pith/X566KOQYP663AT65P4BLWIIR6D","bundle":"https://pith.science/pith/X566KOQYP663AT65P4BLWIIR6D/bundle.json","state":"https://pith.science/pith/X566KOQYP663AT65P4BLWIIR6D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X566KOQYP663AT65P4BLWIIR6D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:X566KOQYP663AT65P4BLWIIR6D","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":"87d783d6a4f690fd371a120f8b71b2d76ab1427f972e02558fe0a8011a864589","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-10-02T16:01:24Z","title_canon_sha256":"c669772cc33b3c73866108bf43c8fe712eb8ce2f639e9198fdf6d322679853c4"},"schema_version":"1.0","source":{"id":"1710.00746","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00746","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00746v2","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00746","created_at":"2026-05-18T00:28:40Z"},{"alias_kind":"pith_short_12","alias_value":"X566KOQYP663","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"X566KOQYP663AT65","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"X566KOQY","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:6ea50eef0b0d56e8ef3d80fff7f9f0bea46c48becd4d8ca20dee86aba7b0e918","target":"graph","created_at":"2026-05-18T00:28:40Z","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":"Rare $b \\to s\\ell^+\\ell^-$ flavour-changing-neutral-current processes provide important tests of the Standard Model of particle physics. Angular observables in exclusive $b \\to s\\ell^+\\ell^-$ processes can be particularly powerful as they allow hadronic uncertainties to be controlled. Amongst the exclusive processes that have been studied by experiments, the decay $\\Lambda_b\\to \\Lambda\\ell^+\\ell^-$ is unique in that the $\\Lambda_b$ baryon can be produced polarised. In this paper, we derive an expression for the angular distribution of the $\\Lambda_b\\to \\Lambda\\ell^+\\ell^-$ decay for the case w","authors_text":"Michal Kreps, Thomas Blake","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-10-02T16:01:24Z","title":"Angular distribution of polarised $\\Lambda_b$ baryons decaying to $\\Lambda \\ell^+\\ell^-$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00746","kind":"arxiv","version":2},"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:b083d84293cacd502b7a505c66f3d2d12ecddb7adc964ef2a24ae4a3cd1b93cf","target":"record","created_at":"2026-05-18T00:28:40Z","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":"87d783d6a4f690fd371a120f8b71b2d76ab1427f972e02558fe0a8011a864589","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2017-10-02T16:01:24Z","title_canon_sha256":"c669772cc33b3c73866108bf43c8fe712eb8ce2f639e9198fdf6d322679853c4"},"schema_version":"1.0","source":{"id":"1710.00746","kind":"arxiv","version":2}},"canonical_sha256":"bf7de53a187fbdb04fdd7f02bb2111f0c58af5317d4362936fc4b12e2d9eac8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf7de53a187fbdb04fdd7f02bb2111f0c58af5317d4362936fc4b12e2d9eac8a","first_computed_at":"2026-05-18T00:28:40.359255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:40.359255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9Z8XGnNciI/Q9poOxSn68q8epojVCCba4gXbWdx+Uca4lyLSG3RA4QT+hfKoCC3RGuHhSKixdeYfNbJRfPjlCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:40.359927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.00746","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b083d84293cacd502b7a505c66f3d2d12ecddb7adc964ef2a24ae4a3cd1b93cf","sha256:6ea50eef0b0d56e8ef3d80fff7f9f0bea46c48becd4d8ca20dee86aba7b0e918"],"state_sha256":"7ad64743f04a2a71202e9477214cfbbe6329a662e447def4e6b72c135f55ae80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zk15yEY8Mau6n/5gvNXjxNqc8WLguBsnC3V2ObRMNSKNAjpXwRuIKgm+Fu7j4ha0JbcK73hsOSHkpRZ6M23ABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:42:54.452920Z","bundle_sha256":"fdea2580fc5e9da350e8e62f60b2ddac6dc8ef70d2fcbf0fd730b7aeeba15b83"}}