{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:SKYDUJ4DSXM5XCKB7GSKQQ3TO7","short_pith_number":"pith:SKYDUJ4D","canonical_record":{"source":{"id":"1912.08211","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-12-17T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0c52f4b553fccbd9a78f5c966eeee9960f35eaf237b563c99480028ec5559f9c","abstract_canon_sha256":"bf3367fb18a199954338077395df362ed70174a9e17ce370d1988e6ecdaaf6c7"},"schema_version":"1.0"},"canonical_sha256":"92b03a278395d9db8941f9a4a8437377fd2521c47681eaf817bfd04d0739c60c","source":{"kind":"arxiv","id":"1912.08211","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.08211","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"1912.08211v2","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.08211","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"SKYDUJ4DSXM5","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"SKYDUJ4DSXM5XCKB","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"SKYDUJ4D","created_at":"2026-07-05T00:47:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:SKYDUJ4DSXM5XCKB7GSKQQ3TO7","target":"record","payload":{"canonical_record":{"source":{"id":"1912.08211","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-12-17T19:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0c52f4b553fccbd9a78f5c966eeee9960f35eaf237b563c99480028ec5559f9c","abstract_canon_sha256":"bf3367fb18a199954338077395df362ed70174a9e17ce370d1988e6ecdaaf6c7"},"schema_version":"1.0"},"canonical_sha256":"92b03a278395d9db8941f9a4a8437377fd2521c47681eaf817bfd04d0739c60c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:47:47.877769Z","signature_b64":"5Se1P668vu5VHOQOrmMnIKFt2gWQjvxXV+MdR3I1CNF2xnQ/EUaeMoL2/+hlPlA1GgIsrqJnoqy1x5mqLAQqDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92b03a278395d9db8941f9a4a8437377fd2521c47681eaf817bfd04d0739c60c","last_reissued_at":"2026-07-05T00:47:47.877422Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:47:47.877422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.08211","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":"2026-07-05T00:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UmqIyScVcmTPkDcGSLMvqFomhhs26bU5KWqt7zXOlvB/HRDzEtQRJv0Mhh0xhVaqnHvtBiGwgINaednT723fDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T19:54:29.145056Z"},"content_sha256":"148512ce92f7eeb992177e9e4e223953056ebd9a8568388961c74e221672d9c3","schema_version":"1.0","event_id":"sha256:148512ce92f7eeb992177e9e4e223953056ebd9a8568388961c74e221672d9c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:SKYDUJ4DSXM5XCKB7GSKQQ3TO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NLO Massive Event-Shape Differential and Cumulative Distributions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Christopher Lepenik, Vicent Mateu","submitted_at":"2019-12-17T19:00:02Z","abstract_excerpt":"We provide a general method to effectively compute differential and cumulative event-shape distributions to $\\mathcal{O}(\\alpha_s)$ precision for massive quarks produced primarily at an $e^+e^-$ collider. In particular, we show that at this order, due to the screening of collinear singularities by the quark mass, for all event shapes linearly sensitive to soft dynamics, there appear only two distributions at threshold: a Dirac delta function and a plus distribution. Furthermore, we show that the coefficient of the latter is universal for any infra-red and collinear safe event shape, and provid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.08211","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/1912.08211/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":"2026-07-05T00:47:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYiwfRpcF77FE7/S6cmHwa64/bl3WaNmJpn+ICNnio0utr1JN7nbj8vE4bqGNz4EzidyytXQToQxZgRb91D1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T19:54:29.145555Z"},"content_sha256":"fda5f153820f00b9984631a11e23167d03266dbde732e86c3959d84835b2424a","schema_version":"1.0","event_id":"sha256:fda5f153820f00b9984631a11e23167d03266dbde732e86c3959d84835b2424a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/bundle.json","state_url":"https://pith.science/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/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":"2026-08-07T19:54:29Z","links":{"resolver":"https://pith.science/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7","bundle":"https://pith.science/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/bundle.json","state":"https://pith.science/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SKYDUJ4DSXM5XCKB7GSKQQ3TO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SKYDUJ4DSXM5XCKB7GSKQQ3TO7","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":"bf3367fb18a199954338077395df362ed70174a9e17ce370d1988e6ecdaaf6c7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-12-17T19:00:02Z","title_canon_sha256":"0c52f4b553fccbd9a78f5c966eeee9960f35eaf237b563c99480028ec5559f9c"},"schema_version":"1.0","source":{"id":"1912.08211","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.08211","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"arxiv_version","alias_value":"1912.08211v2","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.08211","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_12","alias_value":"SKYDUJ4DSXM5","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_16","alias_value":"SKYDUJ4DSXM5XCKB","created_at":"2026-07-05T00:47:47Z"},{"alias_kind":"pith_short_8","alias_value":"SKYDUJ4D","created_at":"2026-07-05T00:47:47Z"}],"graph_snapshots":[{"event_id":"sha256:fda5f153820f00b9984631a11e23167d03266dbde732e86c3959d84835b2424a","target":"graph","created_at":"2026-07-05T00:47:47Z","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/1912.08211/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We provide a general method to effectively compute differential and cumulative event-shape distributions to $\\mathcal{O}(\\alpha_s)$ precision for massive quarks produced primarily at an $e^+e^-$ collider. In particular, we show that at this order, due to the screening of collinear singularities by the quark mass, for all event shapes linearly sensitive to soft dynamics, there appear only two distributions at threshold: a Dirac delta function and a plus distribution. Furthermore, we show that the coefficient of the latter is universal for any infra-red and collinear safe event shape, and provid","authors_text":"Christopher Lepenik, Vicent Mateu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-12-17T19:00:02Z","title":"NLO Massive Event-Shape Differential and Cumulative Distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.08211","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":"sha256:148512ce92f7eeb992177e9e4e223953056ebd9a8568388961c74e221672d9c3","target":"record","created_at":"2026-07-05T00:47:47Z","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":"bf3367fb18a199954338077395df362ed70174a9e17ce370d1988e6ecdaaf6c7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2019-12-17T19:00:02Z","title_canon_sha256":"0c52f4b553fccbd9a78f5c966eeee9960f35eaf237b563c99480028ec5559f9c"},"schema_version":"1.0","source":{"id":"1912.08211","kind":"arxiv","version":2}},"canonical_sha256":"92b03a278395d9db8941f9a4a8437377fd2521c47681eaf817bfd04d0739c60c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92b03a278395d9db8941f9a4a8437377fd2521c47681eaf817bfd04d0739c60c","first_computed_at":"2026-07-05T00:47:47.877422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:47:47.877422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Se1P668vu5VHOQOrmMnIKFt2gWQjvxXV+MdR3I1CNF2xnQ/EUaeMoL2/+hlPlA1GgIsrqJnoqy1x5mqLAQqDg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:47:47.877769Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.08211","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:148512ce92f7eeb992177e9e4e223953056ebd9a8568388961c74e221672d9c3","sha256:fda5f153820f00b9984631a11e23167d03266dbde732e86c3959d84835b2424a"],"state_sha256":"51292bdc8016a3d88da9d15a97203ecc9122eb76a13a350bf9109a1da3bb6467"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rdmhaCX1458AySh7IZTTONc+vjr66WC/UfBbNEZDv/OQI4zjWVY3bq4ZMeywLNUBKmw1+CaQ5JPRliKifw18Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T19:54:29.151249Z","bundle_sha256":"eff163fc0713c876923d74e7f5af4b19caa7d0159f1ae4e3ee5293e35e112315"}}