{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JZ57TASUVTYF5G6JREKV757NTI","short_pith_number":"pith:JZ57TASU","canonical_record":{"source":{"id":"2104.06842","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-04-14T13:20:49Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"53bdcf8e92b7fa448a5ed8bafd85d98cac311298d61153228b7a5dff9a22a2ca","abstract_canon_sha256":"44155067cf884a6b5849ddb014ddf779388f9cd449fb5a69995fb7b67270ea0a"},"schema_version":"1.0"},"canonical_sha256":"4e7bf98254acf05e9bc989155ff7ed9a1c1b05d349418cc75dad1668ded61c7d","source":{"kind":"arxiv","id":"2104.06842","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06842","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06842v1","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06842","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"JZ57TASUVTYF","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_16","alias_value":"JZ57TASUVTYF5G6J","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_8","alias_value":"JZ57TASU","created_at":"2026-07-05T02:53:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JZ57TASUVTYF5G6JREKV757NTI","target":"record","payload":{"canonical_record":{"source":{"id":"2104.06842","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-04-14T13:20:49Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"53bdcf8e92b7fa448a5ed8bafd85d98cac311298d61153228b7a5dff9a22a2ca","abstract_canon_sha256":"44155067cf884a6b5849ddb014ddf779388f9cd449fb5a69995fb7b67270ea0a"},"schema_version":"1.0"},"canonical_sha256":"4e7bf98254acf05e9bc989155ff7ed9a1c1b05d349418cc75dad1668ded61c7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:53:41.240293Z","signature_b64":"MkB9/HkIFWp5QIVhaeiDLrDN0d4rXQpCHRy5m0BMvZ3vLxb/kKMeS1uDFrVzeFo7yvLFnQYycj01Y/F41pP+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e7bf98254acf05e9bc989155ff7ed9a1c1b05d349418cc75dad1668ded61c7d","last_reissued_at":"2026-07-05T02:53:41.239884Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:53:41.239884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.06842","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":"2026-07-05T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W/X4I//v8USSBjEZyojbCkqKW105H97kmIa8H1YK6MGtdMlvTW9l33RQNuCsaELtjV8IVsbnAyVIIU39NTkxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T05:29:42.331208Z"},"content_sha256":"ff2c0c921ea91b3eda87b04c355682bcc62f54e3593f56a806d39840ec0c187e","schema_version":"1.0","event_id":"sha256:ff2c0c921ea91b3eda87b04c355682bcc62f54e3593f56a806d39840ec0c187e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JZ57TASUVTYF5G6JREKV757NTI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing Lepton Flavour Universality in $\\Upsilon (4S)$ Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Jernej F. Kamenik, Mart\\'in Novoa-Brunet, S\\'ebastien Descotes-Genon, Svjetlana Fajfer","submitted_at":"2021-04-14T13:20:49Z","abstract_excerpt":"We propose a novel method to probe the persistent hints of Lepton Flavour Universality violation observed in semileptonic $B$ decays. Relying on the specific properties of the Belle II experiment, it consists in comparing the inclusive rates of $\\Upsilon(4S) \\to e^\\pm \\mu^\\mp X$, $\\Upsilon(4S) \\to \\mu^\\pm \\tau_{\\rm had}^\\mp X$ and $\\Upsilon(4S) \\to e^\\pm \\tau_{\\rm had}^\\mp X$. We show that such a measurement can be directly related to the ratio $R(X)_{\\tau\\ell} \\equiv \\Gamma (b\\to X \\tau \\nu ) / \\Gamma (b \\to X \\ell \\nu)$ ($\\ell=e$ or $\\mu$), once appropriate experimental cuts are applied to s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06842","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.06842/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:53:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PDLeAM1UPgHOSXeE5rnvJ9Qu+3f7Bz+TvJ9H1LO4cJtPMZ2ODyDy+WN69QEix45RzXeEjvOCk9ZhfTf7P5O1Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T05:29:42.331592Z"},"content_sha256":"b165d3fc357e8067c22a85dbd7c2a75aaafc4f4e5cdfa247adc45987f43e7cc7","schema_version":"1.0","event_id":"sha256:b165d3fc357e8067c22a85dbd7c2a75aaafc4f4e5cdfa247adc45987f43e7cc7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZ57TASUVTYF5G6JREKV757NTI/bundle.json","state_url":"https://pith.science/pith/JZ57TASUVTYF5G6JREKV757NTI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZ57TASUVTYF5G6JREKV757NTI/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":"2026-07-21T05:29:42Z","links":{"resolver":"https://pith.science/pith/JZ57TASUVTYF5G6JREKV757NTI","bundle":"https://pith.science/pith/JZ57TASUVTYF5G6JREKV757NTI/bundle.json","state":"https://pith.science/pith/JZ57TASUVTYF5G6JREKV757NTI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZ57TASUVTYF5G6JREKV757NTI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JZ57TASUVTYF5G6JREKV757NTI","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":"44155067cf884a6b5849ddb014ddf779388f9cd449fb5a69995fb7b67270ea0a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-04-14T13:20:49Z","title_canon_sha256":"53bdcf8e92b7fa448a5ed8bafd85d98cac311298d61153228b7a5dff9a22a2ca"},"schema_version":"1.0","source":{"id":"2104.06842","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.06842","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"arxiv_version","alias_value":"2104.06842v1","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06842","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_12","alias_value":"JZ57TASUVTYF","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_16","alias_value":"JZ57TASUVTYF5G6J","created_at":"2026-07-05T02:53:41Z"},{"alias_kind":"pith_short_8","alias_value":"JZ57TASU","created_at":"2026-07-05T02:53:41Z"}],"graph_snapshots":[{"event_id":"sha256:b165d3fc357e8067c22a85dbd7c2a75aaafc4f4e5cdfa247adc45987f43e7cc7","target":"graph","created_at":"2026-07-05T02:53:41Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2104.06842/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a novel method to probe the persistent hints of Lepton Flavour Universality violation observed in semileptonic $B$ decays. Relying on the specific properties of the Belle II experiment, it consists in comparing the inclusive rates of $\\Upsilon(4S) \\to e^\\pm \\mu^\\mp X$, $\\Upsilon(4S) \\to \\mu^\\pm \\tau_{\\rm had}^\\mp X$ and $\\Upsilon(4S) \\to e^\\pm \\tau_{\\rm had}^\\mp X$. We show that such a measurement can be directly related to the ratio $R(X)_{\\tau\\ell} \\equiv \\Gamma (b\\to X \\tau \\nu ) / \\Gamma (b \\to X \\ell \\nu)$ ($\\ell=e$ or $\\mu$), once appropriate experimental cuts are applied to s","authors_text":"Jernej F. Kamenik, Mart\\'in Novoa-Brunet, S\\'ebastien Descotes-Genon, Svjetlana Fajfer","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-04-14T13:20:49Z","title":"Testing Lepton Flavour Universality in $\\Upsilon (4S)$ Decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06842","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:ff2c0c921ea91b3eda87b04c355682bcc62f54e3593f56a806d39840ec0c187e","target":"record","created_at":"2026-07-05T02:53:41Z","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":"44155067cf884a6b5849ddb014ddf779388f9cd449fb5a69995fb7b67270ea0a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-04-14T13:20:49Z","title_canon_sha256":"53bdcf8e92b7fa448a5ed8bafd85d98cac311298d61153228b7a5dff9a22a2ca"},"schema_version":"1.0","source":{"id":"2104.06842","kind":"arxiv","version":1}},"canonical_sha256":"4e7bf98254acf05e9bc989155ff7ed9a1c1b05d349418cc75dad1668ded61c7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e7bf98254acf05e9bc989155ff7ed9a1c1b05d349418cc75dad1668ded61c7d","first_computed_at":"2026-07-05T02:53:41.239884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:53:41.239884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MkB9/HkIFWp5QIVhaeiDLrDN0d4rXQpCHRy5m0BMvZ3vLxb/kKMeS1uDFrVzeFo7yvLFnQYycj01Y/F41pP+Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:53:41.240293Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.06842","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff2c0c921ea91b3eda87b04c355682bcc62f54e3593f56a806d39840ec0c187e","sha256:b165d3fc357e8067c22a85dbd7c2a75aaafc4f4e5cdfa247adc45987f43e7cc7"],"state_sha256":"63c0593d400d5c01fd558855a992072cf96d9c59c8bab3836bab34153ca4687d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JmXSbUVOPgJUvm1eGtZ5eYh+uQCJeelkplDj7jOqQdryoqNBoPDAgXeXRNFeH4rl2/Wk04N78gW2IT7896RBDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-21T05:29:42.333719Z","bundle_sha256":"af787ab4b8601330a5ee41f4cf95717d1cc64e084324403dba218d18ce8d9bab"}}