{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:LUTGOSXY33NX3O4FHAOBL5ARJX","short_pith_number":"pith:LUTGOSXY","canonical_record":{"source":{"id":"1906.10534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-25T13:56:37Z","cross_cats_sorted":[],"title_canon_sha256":"47f26b0b27357140f641e7d6b778e4b1dbee9d475ab4b82ee39690cd3365581c","abstract_canon_sha256":"f46c48d197dc99484149ab6b27d8e9c8b64365c5a9b0f5cb91ac56750d1694b5"},"schema_version":"1.0"},"canonical_sha256":"5d26674af8dedb7dbb85381c15f4114dd82bcae75049446ebcea2ba5472e20a3","source":{"kind":"arxiv","id":"1906.10534","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.10534","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"1906.10534v2","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.10534","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"LUTGOSXY33NX","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LUTGOSXY33NX3O4F","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LUTGOSXY","created_at":"2026-05-18T12:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:LUTGOSXY33NX3O4FHAOBL5ARJX","target":"record","payload":{"canonical_record":{"source":{"id":"1906.10534","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-25T13:56:37Z","cross_cats_sorted":[],"title_canon_sha256":"47f26b0b27357140f641e7d6b778e4b1dbee9d475ab4b82ee39690cd3365581c","abstract_canon_sha256":"f46c48d197dc99484149ab6b27d8e9c8b64365c5a9b0f5cb91ac56750d1694b5"},"schema_version":"1.0"},"canonical_sha256":"5d26674af8dedb7dbb85381c15f4114dd82bcae75049446ebcea2ba5472e20a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:52.748765Z","signature_b64":"3G6/fZ68coz8qQWq0QMTfus1IxTdXcVPGZYzJLoTmehyVC4d9liUtXPRj4bI5a8VkilcIbApdeGj3FrhkQsvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d26674af8dedb7dbb85381c15f4114dd82bcae75049446ebcea2ba5472e20a3","last_reissued_at":"2026-05-17T23:41:52.748215Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:52.748215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.10534","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":"2026-05-17T23:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u4wvLxJ8OIohZh4ziSUDioUzVIzcrUCPPWIq8/N9cfYiTqe5QlNRDlXjxQSlog97n/OkbRFKJSOWOJmBC4+eDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:00:48.958486Z"},"content_sha256":"168cec1b105f74f76f4470838f9c1bb871195dc4340c4e0ecd4635295c9a6da4","schema_version":"1.0","event_id":"sha256:168cec1b105f74f76f4470838f9c1bb871195dc4340c4e0ecd4635295c9a6da4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:LUTGOSXY33NX3O4FHAOBL5ARJX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the ratio of $t\\bar{t}\\gamma$ and $t\\bar{t}$ cross sections at the LHC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Giuseppe Bevilacqua","submitted_at":"2019-06-25T13:56:37Z","abstract_excerpt":"We study the ratio of the cross sections for $t\\bar{t}\\gamma$ and $t\\bar{t}$ production at the LHC. The presence of correlations between theoretical uncertainties of the two processes makes possible a precise determination of this observable. This can help to evidentiate effects of new physics that might reveal themselves only when sufficiently precise theoretical predictions are available. Our analysis is based on fully realistic simulations of $t\\bar{t}\\gamma$ and $t\\bar{t}$ production in the dilepton decay channel, including complete off-shell and non-resonant effects at NLO QCD accuracy. W"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.10534","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":"2026-05-17T23:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Axgb9qv/ohgGyeEiRuAA7gIdhzbfHfXRCQQSWKBfg4Ubgt370Yn52rI7BxdV4i4NCA/oTJyoxci+OWTwBM5Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:00:48.959150Z"},"content_sha256":"90c3cd16c115e5d92a596fd85a9ada77a0b99654709963caedca8122e84abbc8","schema_version":"1.0","event_id":"sha256:90c3cd16c115e5d92a596fd85a9ada77a0b99654709963caedca8122e84abbc8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/bundle.json","state_url":"https://pith.science/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/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":"2026-05-26T06:00:48Z","links":{"resolver":"https://pith.science/pith/LUTGOSXY33NX3O4FHAOBL5ARJX","bundle":"https://pith.science/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/bundle.json","state":"https://pith.science/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LUTGOSXY33NX3O4FHAOBL5ARJX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:LUTGOSXY33NX3O4FHAOBL5ARJX","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":"f46c48d197dc99484149ab6b27d8e9c8b64365c5a9b0f5cb91ac56750d1694b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-25T13:56:37Z","title_canon_sha256":"47f26b0b27357140f641e7d6b778e4b1dbee9d475ab4b82ee39690cd3365581c"},"schema_version":"1.0","source":{"id":"1906.10534","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.10534","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"1906.10534v2","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.10534","created_at":"2026-05-17T23:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"LUTGOSXY33NX","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"LUTGOSXY33NX3O4F","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"LUTGOSXY","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:90c3cd16c115e5d92a596fd85a9ada77a0b99654709963caedca8122e84abbc8","target":"graph","created_at":"2026-05-17T23:41:52Z","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":"We study the ratio of the cross sections for $t\\bar{t}\\gamma$ and $t\\bar{t}$ production at the LHC. The presence of correlations between theoretical uncertainties of the two processes makes possible a precise determination of this observable. This can help to evidentiate effects of new physics that might reveal themselves only when sufficiently precise theoretical predictions are available. Our analysis is based on fully realistic simulations of $t\\bar{t}\\gamma$ and $t\\bar{t}$ production in the dilepton decay channel, including complete off-shell and non-resonant effects at NLO QCD accuracy. W","authors_text":"Giuseppe Bevilacqua","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-25T13:56:37Z","title":"On the ratio of $t\\bar{t}\\gamma$ and $t\\bar{t}$ cross sections at the LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.10534","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":"sha256:168cec1b105f74f76f4470838f9c1bb871195dc4340c4e0ecd4635295c9a6da4","target":"record","created_at":"2026-05-17T23:41:52Z","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":"f46c48d197dc99484149ab6b27d8e9c8b64365c5a9b0f5cb91ac56750d1694b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-06-25T13:56:37Z","title_canon_sha256":"47f26b0b27357140f641e7d6b778e4b1dbee9d475ab4b82ee39690cd3365581c"},"schema_version":"1.0","source":{"id":"1906.10534","kind":"arxiv","version":2}},"canonical_sha256":"5d26674af8dedb7dbb85381c15f4114dd82bcae75049446ebcea2ba5472e20a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d26674af8dedb7dbb85381c15f4114dd82bcae75049446ebcea2ba5472e20a3","first_computed_at":"2026-05-17T23:41:52.748215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:52.748215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3G6/fZ68coz8qQWq0QMTfus1IxTdXcVPGZYzJLoTmehyVC4d9liUtXPRj4bI5a8VkilcIbApdeGj3FrhkQsvDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:52.748765Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.10534","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:168cec1b105f74f76f4470838f9c1bb871195dc4340c4e0ecd4635295c9a6da4","sha256:90c3cd16c115e5d92a596fd85a9ada77a0b99654709963caedca8122e84abbc8"],"state_sha256":"5638d9441303f1fe3cb51abdf5bd3b8110f5688f051af71de8ae724509f6986f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NHA8tl2gazQjwV9N0TC9n93TICEjBbUs0+xUqpRmLbRAPt5Nt6FZJdB3MreQaZ9am8y6yxNZfM+h17jXvr5CBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:00:48.962489Z","bundle_sha256":"350f0a1866a4df22e7db483014c63b0fe997dcb63e77dd31bbd76985db3c06a0"}}