{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YMCHUY333PY7LJARLZPNGIBM2C","short_pith_number":"pith:YMCHUY33","canonical_record":{"source":{"id":"1506.04037","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-12T15:03:41Z","cross_cats_sorted":[],"title_canon_sha256":"24b6f39c29393d25ed561deb36bab08ec71f06e1dda82cb85c5190910125afb2","abstract_canon_sha256":"207d3e25e4047c803785f13ea5e1637f439c4bb048c1b308b161a378ae15527e"},"schema_version":"1.0"},"canonical_sha256":"c3047a637bdbf1f5a4115e5ed3202cd08d03d31dae3c95ce197af741ea98f4eb","source":{"kind":"arxiv","id":"1506.04037","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04037","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04037v3","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04037","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"pith_short_12","alias_value":"YMCHUY333PY7","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YMCHUY333PY7LJAR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YMCHUY33","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YMCHUY333PY7LJARLZPNGIBM2C","target":"record","payload":{"canonical_record":{"source":{"id":"1506.04037","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-12T15:03:41Z","cross_cats_sorted":[],"title_canon_sha256":"24b6f39c29393d25ed561deb36bab08ec71f06e1dda82cb85c5190910125afb2","abstract_canon_sha256":"207d3e25e4047c803785f13ea5e1637f439c4bb048c1b308b161a378ae15527e"},"schema_version":"1.0"},"canonical_sha256":"c3047a637bdbf1f5a4115e5ed3202cd08d03d31dae3c95ce197af741ea98f4eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:55.336165Z","signature_b64":"GochpSWeuJekF8rcwC/3ZVwotxMPTlbF2aelzOj/YFHbPgbP5tapQ1lFV4cj71q8zV1uoztB9AREnjb/XHaKCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3047a637bdbf1f5a4115e5ed3202cd08d03d31dae3c95ce197af741ea98f4eb","last_reissued_at":"2026-05-18T01:21:55.335520Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:55.335520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.04037","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:21:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QFJlDycmUihg37H5+j/WJ6qhqu8QLv0ly+yZzzRm4Ss95Oe04jJf1uu6s4ied4FqVoy25POGIgZhRzIhNcJMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:38:23.925058Z"},"content_sha256":"bae8f1a211faddd5562dcef75e281054772a990a60cd56c02b6b456e157d53fa","schema_version":"1.0","event_id":"sha256:bae8f1a211faddd5562dcef75e281054772a990a60cd56c02b6b456e157d53fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YMCHUY333PY7LJARLZPNGIBM2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Top quark pair production at NNLO in the quark-antiquark channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Aude Gehrmann-De Ridder, Gabriel Abelof, Imre Majer","submitted_at":"2015-06-12T15:03:41Z","abstract_excerpt":"We present the derivation of the NNLO two-parton final state contributions to top pair production in the quark-antiquark channel proportionnal to the leading colour factor $N_c^2$. Together with the three and four-parton NNLO contributions presented in a previous publication, this enables us to complete the phenomenologically most important NNLO corrections to top pair hadro-production in this channel. We derive this two-parton contribution using the massive extension of the NNLO antenna subtraction formalism and implement those corrections in a parton-level event generator providing full kine"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04037","kind":"arxiv","version":3},"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":"2026-05-18T01:21:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2qLaxYUaXbvdJwhl8z/9N/YMhxo6D67xzI0wRYFoEWapBDNdoTmkTi1BDCNEcTnQkUAe6yh39Xa7n5qVx/imBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:38:23.925646Z"},"content_sha256":"641ce294e374e46180f8825c0d5522c9c2e11ac2db45fb4c38686352c7fd1d2e","schema_version":"1.0","event_id":"sha256:641ce294e374e46180f8825c0d5522c9c2e11ac2db45fb4c38686352c7fd1d2e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YMCHUY333PY7LJARLZPNGIBM2C/bundle.json","state_url":"https://pith.science/pith/YMCHUY333PY7LJARLZPNGIBM2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YMCHUY333PY7LJARLZPNGIBM2C/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":"2026-05-30T21:38:23Z","links":{"resolver":"https://pith.science/pith/YMCHUY333PY7LJARLZPNGIBM2C","bundle":"https://pith.science/pith/YMCHUY333PY7LJARLZPNGIBM2C/bundle.json","state":"https://pith.science/pith/YMCHUY333PY7LJARLZPNGIBM2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YMCHUY333PY7LJARLZPNGIBM2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YMCHUY333PY7LJARLZPNGIBM2C","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":"207d3e25e4047c803785f13ea5e1637f439c4bb048c1b308b161a378ae15527e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-12T15:03:41Z","title_canon_sha256":"24b6f39c29393d25ed561deb36bab08ec71f06e1dda82cb85c5190910125afb2"},"schema_version":"1.0","source":{"id":"1506.04037","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04037","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04037v3","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04037","created_at":"2026-05-18T01:21:55Z"},{"alias_kind":"pith_short_12","alias_value":"YMCHUY333PY7","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YMCHUY333PY7LJAR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YMCHUY33","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:641ce294e374e46180f8825c0d5522c9c2e11ac2db45fb4c38686352c7fd1d2e","target":"graph","created_at":"2026-05-18T01:21:55Z","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 present the derivation of the NNLO two-parton final state contributions to top pair production in the quark-antiquark channel proportionnal to the leading colour factor $N_c^2$. Together with the three and four-parton NNLO contributions presented in a previous publication, this enables us to complete the phenomenologically most important NNLO corrections to top pair hadro-production in this channel. We derive this two-parton contribution using the massive extension of the NNLO antenna subtraction formalism and implement those corrections in a parton-level event generator providing full kine","authors_text":"Aude Gehrmann-De Ridder, Gabriel Abelof, Imre Majer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-12T15:03:41Z","title":"Top quark pair production at NNLO in the quark-antiquark channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04037","kind":"arxiv","version":3},"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:bae8f1a211faddd5562dcef75e281054772a990a60cd56c02b6b456e157d53fa","target":"record","created_at":"2026-05-18T01:21:55Z","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":"207d3e25e4047c803785f13ea5e1637f439c4bb048c1b308b161a378ae15527e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-12T15:03:41Z","title_canon_sha256":"24b6f39c29393d25ed561deb36bab08ec71f06e1dda82cb85c5190910125afb2"},"schema_version":"1.0","source":{"id":"1506.04037","kind":"arxiv","version":3}},"canonical_sha256":"c3047a637bdbf1f5a4115e5ed3202cd08d03d31dae3c95ce197af741ea98f4eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3047a637bdbf1f5a4115e5ed3202cd08d03d31dae3c95ce197af741ea98f4eb","first_computed_at":"2026-05-18T01:21:55.335520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:55.335520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GochpSWeuJekF8rcwC/3ZVwotxMPTlbF2aelzOj/YFHbPgbP5tapQ1lFV4cj71q8zV1uoztB9AREnjb/XHaKCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:55.336165Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04037","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bae8f1a211faddd5562dcef75e281054772a990a60cd56c02b6b456e157d53fa","sha256:641ce294e374e46180f8825c0d5522c9c2e11ac2db45fb4c38686352c7fd1d2e"],"state_sha256":"7f32c778b13f79a59348cc98c1750472025ee02bbfe7638e33fe1092208112f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4y0PRSB1CHkN38y03C/5q6TOQiQa5MeIzIzOOI4nRVcgIk0vlh/n9vtfcVN3soeKAzqyohOTwbNlIgUhifOyDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:38:23.928760Z","bundle_sha256":"77d686da3f96a6af6d4b3f9b54c6bbfc17e9d00c6308ea83ed4a01b817abb50c"}}