{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CON2MBDLRKGPUTQXYH5CC2Z6CU","short_pith_number":"pith:CON2MBDL","canonical_record":{"source":{"id":"1904.10834","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-24T14:12:19Z","cross_cats_sorted":[],"title_canon_sha256":"4f7e60ed7b2b1020a0461f5fdb30a73d4bb37987e755a547a286d1a04a99b4f3","abstract_canon_sha256":"8c884a7813a3767c4528397f532fb99da8550ab0bfeb882cf8d773e1960bb831"},"schema_version":"1.0"},"canonical_sha256":"139ba6046b8a8cfa4e17c1fa216b3e152367cccd1f198764df51e9d4f2bcafd6","source":{"kind":"arxiv","id":"1904.10834","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10834","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10834v1","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10834","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_12","alias_value":"CON2MBDLRKGP","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_16","alias_value":"CON2MBDLRKGPUTQX","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_8","alias_value":"CON2MBDL","created_at":"2026-07-05T00:01:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CON2MBDLRKGPUTQXYH5CC2Z6CU","target":"record","payload":{"canonical_record":{"source":{"id":"1904.10834","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-24T14:12:19Z","cross_cats_sorted":[],"title_canon_sha256":"4f7e60ed7b2b1020a0461f5fdb30a73d4bb37987e755a547a286d1a04a99b4f3","abstract_canon_sha256":"8c884a7813a3767c4528397f532fb99da8550ab0bfeb882cf8d773e1960bb831"},"schema_version":"1.0"},"canonical_sha256":"139ba6046b8a8cfa4e17c1fa216b3e152367cccd1f198764df51e9d4f2bcafd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:01:49.512150Z","signature_b64":"edaZmV3W1YGxFULZ3TVNMwTDWjf+g2inAv3YL0gi5ZdxNqb7+hB3lbc1go52keE2YTUDdrGIpkcA5l7rxc41AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"139ba6046b8a8cfa4e17c1fa216b3e152367cccd1f198764df51e9d4f2bcafd6","last_reissued_at":"2026-07-05T00:01:49.511687Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:01:49.511687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.10834","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":"2026-07-05T00:01:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0p38hVeHEVV3u1kZ/kPqmVqgYArH8osuQHR10a9rvHaD1DV4O5zFOwLWaI0AzqObOH6jdgPSXRNCMnFybaWlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:06:15.718851Z"},"content_sha256":"48b1b85d115ba5b828c0007929c16f93d6b61a20718596bb80509c0c1aa48c0e","schema_version":"1.0","event_id":"sha256:48b1b85d115ba5b828c0007929c16f93d6b61a20718596bb80509c0c1aa48c0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CON2MBDLRKGPUTQXYH5CC2Z6CU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Master Integrals for the two-loop, non-planar QCD corrections to top-quark pair production in the quark-annihilation channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andrea Ferroglia, Andreas von Manteuffel, Matteo Becchetti, Roberto Bonciani, Simone Lavacca, Valerio Casconi","submitted_at":"2019-04-24T14:12:19Z","abstract_excerpt":"We present the analytic calculation of the Master Integrals for the two-loop, non-planar topologies that enter the calculation of the amplitude for top-quark pair hadroproduction in the quark-annihilation channel. Using the method of differential equations, we expand the integrals in powers of the dimensional regulator $\\epsilon$ and determine the expansion coefficients in terms of generalized harmonic polylogarithms of two dimensionless variables through to weight four."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10834","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/1904.10834/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":"2026-07-05T00:01:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G+NRcuMVHP5+Cjtb4eyAXO388jEq9FI1bZkVTu6hSwXf7E5rgeUs+fa9BwszK+fHnKSfPzqzjt90MMeZTJwnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:06:15.719362Z"},"content_sha256":"4ae1f6c423205bb421e59f02a7f05e13420220497b5bd01f5031256f5df9f9c1","schema_version":"1.0","event_id":"sha256:4ae1f6c423205bb421e59f02a7f05e13420220497b5bd01f5031256f5df9f9c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/bundle.json","state_url":"https://pith.science/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/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":"2026-08-05T10:06:15Z","links":{"resolver":"https://pith.science/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU","bundle":"https://pith.science/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/bundle.json","state":"https://pith.science/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CON2MBDLRKGPUTQXYH5CC2Z6CU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CON2MBDLRKGPUTQXYH5CC2Z6CU","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":"8c884a7813a3767c4528397f532fb99da8550ab0bfeb882cf8d773e1960bb831","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-24T14:12:19Z","title_canon_sha256":"4f7e60ed7b2b1020a0461f5fdb30a73d4bb37987e755a547a286d1a04a99b4f3"},"schema_version":"1.0","source":{"id":"1904.10834","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.10834","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"arxiv_version","alias_value":"1904.10834v1","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10834","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_12","alias_value":"CON2MBDLRKGP","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_16","alias_value":"CON2MBDLRKGPUTQX","created_at":"2026-07-05T00:01:49Z"},{"alias_kind":"pith_short_8","alias_value":"CON2MBDL","created_at":"2026-07-05T00:01:49Z"}],"graph_snapshots":[{"event_id":"sha256:4ae1f6c423205bb421e59f02a7f05e13420220497b5bd01f5031256f5df9f9c1","target":"graph","created_at":"2026-07-05T00:01:49Z","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/1904.10834/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the analytic calculation of the Master Integrals for the two-loop, non-planar topologies that enter the calculation of the amplitude for top-quark pair hadroproduction in the quark-annihilation channel. Using the method of differential equations, we expand the integrals in powers of the dimensional regulator $\\epsilon$ and determine the expansion coefficients in terms of generalized harmonic polylogarithms of two dimensionless variables through to weight four.","authors_text":"Andrea Ferroglia, Andreas von Manteuffel, Matteo Becchetti, Roberto Bonciani, Simone Lavacca, Valerio Casconi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-24T14:12:19Z","title":"Master Integrals for the two-loop, non-planar QCD corrections to top-quark pair production in the quark-annihilation channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10834","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":"sha256:48b1b85d115ba5b828c0007929c16f93d6b61a20718596bb80509c0c1aa48c0e","target":"record","created_at":"2026-07-05T00:01:49Z","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":"8c884a7813a3767c4528397f532fb99da8550ab0bfeb882cf8d773e1960bb831","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-04-24T14:12:19Z","title_canon_sha256":"4f7e60ed7b2b1020a0461f5fdb30a73d4bb37987e755a547a286d1a04a99b4f3"},"schema_version":"1.0","source":{"id":"1904.10834","kind":"arxiv","version":1}},"canonical_sha256":"139ba6046b8a8cfa4e17c1fa216b3e152367cccd1f198764df51e9d4f2bcafd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"139ba6046b8a8cfa4e17c1fa216b3e152367cccd1f198764df51e9d4f2bcafd6","first_computed_at":"2026-07-05T00:01:49.511687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:01:49.511687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"edaZmV3W1YGxFULZ3TVNMwTDWjf+g2inAv3YL0gi5ZdxNqb7+hB3lbc1go52keE2YTUDdrGIpkcA5l7rxc41AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:01:49.512150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.10834","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48b1b85d115ba5b828c0007929c16f93d6b61a20718596bb80509c0c1aa48c0e","sha256:4ae1f6c423205bb421e59f02a7f05e13420220497b5bd01f5031256f5df9f9c1"],"state_sha256":"37d03406a474c6abad86448f344932ae55a51dafde66d21a6a48ef559942267a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/uC4jSJtOS1anHFQgPSjqfsgZHb3e86uuJPib7Jt5k1L458yLkGmRRBvHSssNvd1L5TR/0Tpv08m0mKFHu5iAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:06:15.723543Z","bundle_sha256":"3620e9aed56f0329bba6397f588cf93d7be72f01526b8f1a4afa171a014224b6"}}