{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QASKZVHK6JBQFARGYPHQXY2WSD","short_pith_number":"pith:QASKZVHK","canonical_record":{"source":{"id":"1912.10883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-23T14:47:57Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"18bf2d1897607cd7fcd6d311f8068ec80f79e5a2afe7024187b4d56784b963fc","abstract_canon_sha256":"5a311234da16be356ea9db394631afd80ab3a279bfff6e2963a5bc6c866f84b2"},"schema_version":"1.0"},"canonical_sha256":"8024acd4eaf243028226c3cf0be35690f7cfbe8ac2fd15472907a2ca5642426f","source":{"kind":"arxiv","id":"1912.10883","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.10883","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"arxiv_version","alias_value":"1912.10883v1","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.10883","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_12","alias_value":"QASKZVHK6JBQ","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_16","alias_value":"QASKZVHK6JBQFARG","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_8","alias_value":"QASKZVHK","created_at":"2026-07-05T00:28:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QASKZVHK6JBQFARGYPHQXY2WSD","target":"record","payload":{"canonical_record":{"source":{"id":"1912.10883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-23T14:47:57Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"18bf2d1897607cd7fcd6d311f8068ec80f79e5a2afe7024187b4d56784b963fc","abstract_canon_sha256":"5a311234da16be356ea9db394631afd80ab3a279bfff6e2963a5bc6c866f84b2"},"schema_version":"1.0"},"canonical_sha256":"8024acd4eaf243028226c3cf0be35690f7cfbe8ac2fd15472907a2ca5642426f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:03.714692Z","signature_b64":"c4AYHo7o9KhsVlx2NAMiwQUp8AHGraK9G668u+y+LDRf+T4caBheSw3MgpssExQm7YMv3w3b6YQXI4lJ8RZ1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8024acd4eaf243028226c3cf0be35690f7cfbe8ac2fd15472907a2ca5642426f","last_reissued_at":"2026-07-05T00:28:03.714279Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:03.714279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.10883","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":"2026-07-05T00:28:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XuNc1omr4rK0ToKzP5SY0irE+B6PnP8VtvM5QaNHJOIW/dK8RSznb1n/i1PF14OGL+1srenmoekqOCwk76RaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:49:34.811468Z"},"content_sha256":"171928a41e4be8a43716847211f04f9274e84f3feed7c1affc72078e3614fbbe","schema_version":"1.0","event_id":"sha256:171928a41e4be8a43716847211f04f9274e84f3feed7c1affc72078e3614fbbe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QASKZVHK6JBQFARGYPHQXY2WSD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The High-Energy Limit of 2-to-2 Partonic Scattering Amplitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Einan Gardi, Joscha Reichel, Leonardo Vernazza, Simon Caron-Huot","submitted_at":"2019-12-23T14:47:57Z","abstract_excerpt":"Recently, there has been significant progress in computing scattering amplitudes in the high-energy limit using rapidity evolution equations. We describe the state-of-the-art and demonstrate the interplay between exponentiation of high-energy logarithms and that of infrared singularities. The focus in this talk is the imaginary part of 2 to 2 partonic amplitudes, which can be determined by solving the BFKL equation. We demonstrate that the wavefunction is infrared finite, and that its evolution closes in the soft approximation. Within this approximation we derive a closed-form solution for the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.10883","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/1912.10883/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":"2026-07-05T00:28:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SDpQfMQw3KbLoyU9Tj3xiI6XNoeGZAhkBZhx2l92z+ecuA1PE2Wud57iLISxEqclndr6ajWsSUAVc2/irGecAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T19:49:34.812042Z"},"content_sha256":"4728d36a23de0bc3e78d27ef8ecdcb37b3082458a0f8fbd5c1aedf372b1b6824","schema_version":"1.0","event_id":"sha256:4728d36a23de0bc3e78d27ef8ecdcb37b3082458a0f8fbd5c1aedf372b1b6824"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QASKZVHK6JBQFARGYPHQXY2WSD/bundle.json","state_url":"https://pith.science/pith/QASKZVHK6JBQFARGYPHQXY2WSD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QASKZVHK6JBQFARGYPHQXY2WSD/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":"2026-08-11T19:49:34Z","links":{"resolver":"https://pith.science/pith/QASKZVHK6JBQFARGYPHQXY2WSD","bundle":"https://pith.science/pith/QASKZVHK6JBQFARGYPHQXY2WSD/bundle.json","state":"https://pith.science/pith/QASKZVHK6JBQFARGYPHQXY2WSD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QASKZVHK6JBQFARGYPHQXY2WSD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QASKZVHK6JBQFARGYPHQXY2WSD","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":"5a311234da16be356ea9db394631afd80ab3a279bfff6e2963a5bc6c866f84b2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-23T14:47:57Z","title_canon_sha256":"18bf2d1897607cd7fcd6d311f8068ec80f79e5a2afe7024187b4d56784b963fc"},"schema_version":"1.0","source":{"id":"1912.10883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.10883","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"arxiv_version","alias_value":"1912.10883v1","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.10883","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_12","alias_value":"QASKZVHK6JBQ","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_16","alias_value":"QASKZVHK6JBQFARG","created_at":"2026-07-05T00:28:03Z"},{"alias_kind":"pith_short_8","alias_value":"QASKZVHK","created_at":"2026-07-05T00:28:03Z"}],"graph_snapshots":[{"event_id":"sha256:4728d36a23de0bc3e78d27ef8ecdcb37b3082458a0f8fbd5c1aedf372b1b6824","target":"graph","created_at":"2026-07-05T00:28:03Z","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/1912.10883/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, there has been significant progress in computing scattering amplitudes in the high-energy limit using rapidity evolution equations. We describe the state-of-the-art and demonstrate the interplay between exponentiation of high-energy logarithms and that of infrared singularities. The focus in this talk is the imaginary part of 2 to 2 partonic amplitudes, which can be determined by solving the BFKL equation. We demonstrate that the wavefunction is infrared finite, and that its evolution closes in the soft approximation. Within this approximation we derive a closed-form solution for the","authors_text":"Einan Gardi, Joscha Reichel, Leonardo Vernazza, Simon Caron-Huot","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-23T14:47:57Z","title":"The High-Energy Limit of 2-to-2 Partonic Scattering Amplitudes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.10883","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":"sha256:171928a41e4be8a43716847211f04f9274e84f3feed7c1affc72078e3614fbbe","target":"record","created_at":"2026-07-05T00:28:03Z","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":"5a311234da16be356ea9db394631afd80ab3a279bfff6e2963a5bc6c866f84b2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-12-23T14:47:57Z","title_canon_sha256":"18bf2d1897607cd7fcd6d311f8068ec80f79e5a2afe7024187b4d56784b963fc"},"schema_version":"1.0","source":{"id":"1912.10883","kind":"arxiv","version":1}},"canonical_sha256":"8024acd4eaf243028226c3cf0be35690f7cfbe8ac2fd15472907a2ca5642426f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8024acd4eaf243028226c3cf0be35690f7cfbe8ac2fd15472907a2ca5642426f","first_computed_at":"2026-07-05T00:28:03.714279Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:03.714279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c4AYHo7o9KhsVlx2NAMiwQUp8AHGraK9G668u+y+LDRf+T4caBheSw3MgpssExQm7YMv3w3b6YQXI4lJ8RZ1Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:03.714692Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.10883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:171928a41e4be8a43716847211f04f9274e84f3feed7c1affc72078e3614fbbe","sha256:4728d36a23de0bc3e78d27ef8ecdcb37b3082458a0f8fbd5c1aedf372b1b6824"],"state_sha256":"178e9029e93b0345b7891efd997016b2eada026a93995e4ed99c5c2c41beb48a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZJxvCDBGk8FWPj8jiR85TU81ZuM52Zh00IrkzxC8Lo5jK5gXaCeSbaqzUaeFWsb3qzXnCw/2C+7lZNsdYIOOCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T19:49:34.827388Z","bundle_sha256":"99118fdebe5989afb7ec3b91e023a1d99730820aeeb41fffc0c9782c929b2087"}}