{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:AADPMSDOUCAYTG436FOWLX6Z2B","short_pith_number":"pith:AADPMSDO","canonical_record":{"source":{"id":"2004.09527","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-04-20T18:00:03Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"17491a16c683fd74f27c1a7bfa92b711a28df84235d75c0eee3bd5a2a62ff8fb","abstract_canon_sha256":"4282582d4d7c78d2ef5346fb6afffe8a4d5c4963cd47d5ee7cb85ccf1f85d8e0"},"schema_version":"1.0"},"canonical_sha256":"0006f6486ea081899b9bf15d65dfd9d05bfb8668686f7df2c1449f892011a067","source":{"kind":"arxiv","id":"2004.09527","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.09527","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"2004.09527v2","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.09527","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"AADPMSDOUCAY","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_16","alias_value":"AADPMSDOUCAYTG43","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_8","alias_value":"AADPMSDO","created_at":"2026-07-05T02:08:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:AADPMSDOUCAYTG436FOWLX6Z2B","target":"record","payload":{"canonical_record":{"source":{"id":"2004.09527","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-04-20T18:00:03Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"17491a16c683fd74f27c1a7bfa92b711a28df84235d75c0eee3bd5a2a62ff8fb","abstract_canon_sha256":"4282582d4d7c78d2ef5346fb6afffe8a4d5c4963cd47d5ee7cb85ccf1f85d8e0"},"schema_version":"1.0"},"canonical_sha256":"0006f6486ea081899b9bf15d65dfd9d05bfb8668686f7df2c1449f892011a067","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:08:48.500136Z","signature_b64":"ffYekIyX/tHicrXrXDLVuzm6jDK1sMJdXwp6iP75l5nt9PaMYtMMOTBsQPz6Y0LBvugv5m2l9/oy7upHm00xBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0006f6486ea081899b9bf15d65dfd9d05bfb8668686f7df2c1449f892011a067","last_reissued_at":"2026-07-05T02:08:48.498944Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:08:48.498944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.09527","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":"2026-07-05T02:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cROpJ0/YOAJXK5VKkgzIXbINFtzcnrNKc6NalM4dJspVGplvQw9c00mzkQp5SDt9CbUast0DhoFrleuE7qv1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T16:40:07.996680Z"},"content_sha256":"9559a53edc6925526a6ab326a98017f3b4461c6277bc706b998fc2adf641b37b","schema_version":"1.0","event_id":"sha256:9559a53edc6925526a6ab326a98017f3b4461c6277bc706b998fc2adf641b37b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:AADPMSDOUCAYTG436FOWLX6Z2B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contribution of the Darwin operator to non-leptonic decays of heavy quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Aleksey V. Rusov, Alexander Lenz, Maria Laura Piscopo","submitted_at":"2020-04-20T18:00:03Z","abstract_excerpt":"We compute the Darwin operator contribution ($1/m_b^3$ correction) to the width of the inclusive non-leptonic decay of a $B$ meson ($B^+$, $B_d$ or $B_s$), stemming from the quark flavour-changing transition $b \\to q_1 \\bar q_2 q_3$, where $q_1,q_2 = u, c$ and $q_3 = d, s$. The key ideas of the computation are the local expansion of the quark propagator in the external gluon field including terms with covariant derivative of the gluon field strength tensor and the standard technique of the Heavy Quark Expansion (HQE). We confirm the previously known expressions of the $1/m_b^3$ contributions t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.09527","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2004.09527/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":"2026-07-05T02:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GmLcFUTEgmKMDDpOaVh9ajQk2MT3PIdnXyW2/cH0qb929YwfQQeM0xQWPmKOHHSF9N4+OTOgYXcYnrVS1RIKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T16:40:07.997058Z"},"content_sha256":"0f74b31977996035103419de9e343bbdacebf5c3051502127ff25d52495ab9c3","schema_version":"1.0","event_id":"sha256:0f74b31977996035103419de9e343bbdacebf5c3051502127ff25d52495ab9c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AADPMSDOUCAYTG436FOWLX6Z2B/bundle.json","state_url":"https://pith.science/pith/AADPMSDOUCAYTG436FOWLX6Z2B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AADPMSDOUCAYTG436FOWLX6Z2B/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":"2026-07-10T16:40:07Z","links":{"resolver":"https://pith.science/pith/AADPMSDOUCAYTG436FOWLX6Z2B","bundle":"https://pith.science/pith/AADPMSDOUCAYTG436FOWLX6Z2B/bundle.json","state":"https://pith.science/pith/AADPMSDOUCAYTG436FOWLX6Z2B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AADPMSDOUCAYTG436FOWLX6Z2B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:AADPMSDOUCAYTG436FOWLX6Z2B","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":"4282582d4d7c78d2ef5346fb6afffe8a4d5c4963cd47d5ee7cb85ccf1f85d8e0","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-04-20T18:00:03Z","title_canon_sha256":"17491a16c683fd74f27c1a7bfa92b711a28df84235d75c0eee3bd5a2a62ff8fb"},"schema_version":"1.0","source":{"id":"2004.09527","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.09527","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"2004.09527v2","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.09527","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"AADPMSDOUCAY","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_16","alias_value":"AADPMSDOUCAYTG43","created_at":"2026-07-05T02:08:48Z"},{"alias_kind":"pith_short_8","alias_value":"AADPMSDO","created_at":"2026-07-05T02:08:48Z"}],"graph_snapshots":[{"event_id":"sha256:0f74b31977996035103419de9e343bbdacebf5c3051502127ff25d52495ab9c3","target":"graph","created_at":"2026-07-05T02:08:48Z","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/2004.09527/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We compute the Darwin operator contribution ($1/m_b^3$ correction) to the width of the inclusive non-leptonic decay of a $B$ meson ($B^+$, $B_d$ or $B_s$), stemming from the quark flavour-changing transition $b \\to q_1 \\bar q_2 q_3$, where $q_1,q_2 = u, c$ and $q_3 = d, s$. The key ideas of the computation are the local expansion of the quark propagator in the external gluon field including terms with covariant derivative of the gluon field strength tensor and the standard technique of the Heavy Quark Expansion (HQE). We confirm the previously known expressions of the $1/m_b^3$ contributions t","authors_text":"Aleksey V. Rusov, Alexander Lenz, Maria Laura Piscopo","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-04-20T18:00:03Z","title":"Contribution of the Darwin operator to non-leptonic decays of heavy quarks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.09527","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":"sha256:9559a53edc6925526a6ab326a98017f3b4461c6277bc706b998fc2adf641b37b","target":"record","created_at":"2026-07-05T02:08:48Z","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":"4282582d4d7c78d2ef5346fb6afffe8a4d5c4963cd47d5ee7cb85ccf1f85d8e0","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-04-20T18:00:03Z","title_canon_sha256":"17491a16c683fd74f27c1a7bfa92b711a28df84235d75c0eee3bd5a2a62ff8fb"},"schema_version":"1.0","source":{"id":"2004.09527","kind":"arxiv","version":2}},"canonical_sha256":"0006f6486ea081899b9bf15d65dfd9d05bfb8668686f7df2c1449f892011a067","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0006f6486ea081899b9bf15d65dfd9d05bfb8668686f7df2c1449f892011a067","first_computed_at":"2026-07-05T02:08:48.498944Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:08:48.498944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ffYekIyX/tHicrXrXDLVuzm6jDK1sMJdXwp6iP75l5nt9PaMYtMMOTBsQPz6Y0LBvugv5m2l9/oy7upHm00xBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:08:48.500136Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.09527","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9559a53edc6925526a6ab326a98017f3b4461c6277bc706b998fc2adf641b37b","sha256:0f74b31977996035103419de9e343bbdacebf5c3051502127ff25d52495ab9c3"],"state_sha256":"b6adf49625d05e2baa2c4145780caef32405ba245733eb2395b7449df9953f4e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nq4xut+/wq+OOARJQz4x++WaR9Q50DZIl7snFjJTA+SorTrmr1PWUblLv9qiM9iihYkeyUncrlPaoxsqEWG2CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T16:40:07.999179Z","bundle_sha256":"7bdcc8664129c83d137440e386116c5d416c4ddfae9033bd2021b338ccecf67d"}}