{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7UG7TWBXNS5GV6E5U62LOMKQRX","short_pith_number":"pith:7UG7TWBX","canonical_record":{"source":{"id":"2009.03742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-09-08T13:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"bb3fe0d2a8a8ceac48c0583ae36e14c0b9541aa5370b784792540c557958689e","abstract_canon_sha256":"b0f86e3b3a07dd78b6b567038bdbe2930ede0946ec2e560b11613c0feb837307"},"schema_version":"1.0"},"canonical_sha256":"fd0df9d8376cba6af89da7b4b731508dd6081ab3c861d329277f4ec55e0d7970","source":{"kind":"arxiv","id":"2009.03742","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.03742","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"2009.03742v1","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.03742","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"7UG7TWBXNS5G","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"7UG7TWBXNS5GV6E5","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"7UG7TWBX","created_at":"2026-07-05T02:17:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7UG7TWBXNS5GV6E5U62LOMKQRX","target":"record","payload":{"canonical_record":{"source":{"id":"2009.03742","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-09-08T13:36:02Z","cross_cats_sorted":[],"title_canon_sha256":"bb3fe0d2a8a8ceac48c0583ae36e14c0b9541aa5370b784792540c557958689e","abstract_canon_sha256":"b0f86e3b3a07dd78b6b567038bdbe2930ede0946ec2e560b11613c0feb837307"},"schema_version":"1.0"},"canonical_sha256":"fd0df9d8376cba6af89da7b4b731508dd6081ab3c861d329277f4ec55e0d7970","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:17:32.991285Z","signature_b64":"b0bRCq0HQAAsSF7pUiGe2+jt2RjqtXcSpIQfzPC/fSCJ5ZHPfYWR8YB4D0p9LUJmygCKCLKeuyPyfkLS/XZ7Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd0df9d8376cba6af89da7b4b731508dd6081ab3c861d329277f4ec55e0d7970","last_reissued_at":"2026-07-05T02:17:32.990922Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:17:32.990922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.03742","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":"2026-07-05T02:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2bVgJMFRjoAVz7On63F+i+KNIl9rbDFYrVcMFGwkkDMTkHrbPI7cSyrXn/1H668+3u2QFWJ96YBMNHPE1dJKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:38:01.053010Z"},"content_sha256":"dee7555b94ffee33048fa83aeb06ad04c0fdcd846c6a88e86b3eaacf93479606","schema_version":"1.0","event_id":"sha256:dee7555b94ffee33048fa83aeb06ad04c0fdcd846c6a88e86b3eaacf93479606"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7UG7TWBXNS5GV6E5U62LOMKQRX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contribution of third generation quarks to two-loop helicity amplitudes for W boson pair production in gluon fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chen-Yu Wang, Christian Br{\\o}nnum-Hansen","submitted_at":"2020-09-08T13:36:02Z","abstract_excerpt":"We compute the contribution of third generation quarks ($t,\\ b$) to the two-loop amplitude for on-shell $W$ boson pair production in gluon fusion $gg \\to WW$. We present plots for the amplitude across partonic phase space as well as reference values for two kinematic points. The master integrals are efficiently evaluated by numerically solving a system of ordinary differential equations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.03742","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/2009.03742/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":"2026-07-05T02:17:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cn1LaamH37stlqAEDjcs/L/7n5gebHNIFeDqxXR+3pldbSLCDIIXiHCge2ZID875WVk9Cf61l8Z+l0QKiq+FAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T21:38:01.053906Z"},"content_sha256":"55fe851c9bb9390fe8ef6d8d82e026c5058810e6c8892e0f8d43caf5bf4603a6","schema_version":"1.0","event_id":"sha256:55fe851c9bb9390fe8ef6d8d82e026c5058810e6c8892e0f8d43caf5bf4603a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/bundle.json","state_url":"https://pith.science/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/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":"2026-08-17T21:38:01Z","links":{"resolver":"https://pith.science/pith/7UG7TWBXNS5GV6E5U62LOMKQRX","bundle":"https://pith.science/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/bundle.json","state":"https://pith.science/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7UG7TWBXNS5GV6E5U62LOMKQRX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7UG7TWBXNS5GV6E5U62LOMKQRX","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":"b0f86e3b3a07dd78b6b567038bdbe2930ede0946ec2e560b11613c0feb837307","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-09-08T13:36:02Z","title_canon_sha256":"bb3fe0d2a8a8ceac48c0583ae36e14c0b9541aa5370b784792540c557958689e"},"schema_version":"1.0","source":{"id":"2009.03742","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.03742","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"arxiv_version","alias_value":"2009.03742v1","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.03742","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_12","alias_value":"7UG7TWBXNS5G","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_16","alias_value":"7UG7TWBXNS5GV6E5","created_at":"2026-07-05T02:17:32Z"},{"alias_kind":"pith_short_8","alias_value":"7UG7TWBX","created_at":"2026-07-05T02:17:32Z"}],"graph_snapshots":[{"event_id":"sha256:55fe851c9bb9390fe8ef6d8d82e026c5058810e6c8892e0f8d43caf5bf4603a6","target":"graph","created_at":"2026-07-05T02:17:32Z","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/2009.03742/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We compute the contribution of third generation quarks ($t,\\ b$) to the two-loop amplitude for on-shell $W$ boson pair production in gluon fusion $gg \\to WW$. We present plots for the amplitude across partonic phase space as well as reference values for two kinematic points. The master integrals are efficiently evaluated by numerically solving a system of ordinary differential equations.","authors_text":"Chen-Yu Wang, Christian Br{\\o}nnum-Hansen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-09-08T13:36:02Z","title":"Contribution of third generation quarks to two-loop helicity amplitudes for W boson pair production in gluon fusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.03742","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:dee7555b94ffee33048fa83aeb06ad04c0fdcd846c6a88e86b3eaacf93479606","target":"record","created_at":"2026-07-05T02:17:32Z","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":"b0f86e3b3a07dd78b6b567038bdbe2930ede0946ec2e560b11613c0feb837307","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-09-08T13:36:02Z","title_canon_sha256":"bb3fe0d2a8a8ceac48c0583ae36e14c0b9541aa5370b784792540c557958689e"},"schema_version":"1.0","source":{"id":"2009.03742","kind":"arxiv","version":1}},"canonical_sha256":"fd0df9d8376cba6af89da7b4b731508dd6081ab3c861d329277f4ec55e0d7970","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd0df9d8376cba6af89da7b4b731508dd6081ab3c861d329277f4ec55e0d7970","first_computed_at":"2026-07-05T02:17:32.990922Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:17:32.990922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b0bRCq0HQAAsSF7pUiGe2+jt2RjqtXcSpIQfzPC/fSCJ5ZHPfYWR8YB4D0p9LUJmygCKCLKeuyPyfkLS/XZ7Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:17:32.991285Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.03742","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dee7555b94ffee33048fa83aeb06ad04c0fdcd846c6a88e86b3eaacf93479606","sha256:55fe851c9bb9390fe8ef6d8d82e026c5058810e6c8892e0f8d43caf5bf4603a6"],"state_sha256":"48b5ba30d4d5660bed9645ec6642cbee4cb2433cfd3d1052056be4c44882c215"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tqnp1iYqKQhIwd3cBsgz+v1afdkeZOR54sYbyX5Q7vPaoQwmZNmgLMWB5OJftbrFZsYt0q4PI0d7y9dJ4djjCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T21:38:01.069705Z","bundle_sha256":"ff0162abacefb1f26474d2c718b59e0b533a29d56e6d57a79e0b444ebe080764"}}