{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:EHCXNZU3E42KSI2VCMXXD7NBSB","short_pith_number":"pith:EHCXNZU3","canonical_record":{"source":{"id":"0901.3601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-01-23T17:51:01Z","cross_cats_sorted":[],"title_canon_sha256":"1fc74dd913a66d956fdfcc3dd1fd3dd7f0ba0678a3c520c0283d92733df15dc6","abstract_canon_sha256":"16086be2e8757b890f250a1f7c01fa1bb0b0cc24d42f2ce5965c015268939678"},"schema_version":"1.0"},"canonical_sha256":"21c576e69b2734a92355132f71fda1907981a5e9bb5dc6200cc8cc17b1d1e0fa","source":{"kind":"arxiv","id":"0901.3601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3601","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3601v1","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3601","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_12","alias_value":"EHCXNZU3E42K","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_16","alias_value":"EHCXNZU3E42KSI2V","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_8","alias_value":"EHCXNZU3","created_at":"2026-07-04T15:46:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:EHCXNZU3E42KSI2VCMXXD7NBSB","target":"record","payload":{"canonical_record":{"source":{"id":"0901.3601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-01-23T17:51:01Z","cross_cats_sorted":[],"title_canon_sha256":"1fc74dd913a66d956fdfcc3dd1fd3dd7f0ba0678a3c520c0283d92733df15dc6","abstract_canon_sha256":"16086be2e8757b890f250a1f7c01fa1bb0b0cc24d42f2ce5965c015268939678"},"schema_version":"1.0"},"canonical_sha256":"21c576e69b2734a92355132f71fda1907981a5e9bb5dc6200cc8cc17b1d1e0fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:46:44.528211Z","signature_b64":"QODW43H8VYYJDcot3t0PQg71Jsr+2LY5FVzWBum0HaZAh57kA/9c2jHMnBeRwxd7Klhemt6vXjzHHHoExhcHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21c576e69b2734a92355132f71fda1907981a5e9bb5dc6200cc8cc17b1d1e0fa","last_reissued_at":"2026-07-04T15:46:44.527841Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:46:44.527841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0901.3601","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":"2026-07-04T15:46:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hbV4ZjPjvIwDdFuxRD3MXu7Ei9NaR38WS+eq9Q23dpZ3soL0V1gC/2FlWYwYxXzy0mYwlWJNvAoC3IopvSdaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:26:36.165562Z"},"content_sha256":"0419c26060270194f0855ed7c599a2d497841669a7779ff019ae622762ed6bca","schema_version":"1.0","event_id":"sha256:0419c26060270194f0855ed7c599a2d497841669a7779ff019ae622762ed6bca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:EHCXNZU3E42KSI2VCMXXD7NBSB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Drell-Yan Lepton Pair Azimuthal Asymmetry in Hadronic Processes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Feng Yuan, Jian Zhou, Zuo-Tang Liang","submitted_at":"2009-01-23T17:51:01Z","abstract_excerpt":"We study the azimuthal asymmetry in the Drell-Yan lepton pair production in hadronic scattering processes at moderate transverse momentum region, taking into account the contributions from the twist-three quark-gluon correlations from the unpolarized hadrons. The contributions are found to dominate the asymmetry, and are not power suppressed by q_\\perp/Q at small q_\\perp where q_\\perp and Q are the transverse momentum and invariant mass of the lepton pair. Accordingly, the Lam-Tung relation will be violated at this momentum region, and its violation depends on the twist-three functions. Howeve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3601","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/0901.3601/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":"2026-07-04T15:46:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MfVArz/FIwxWxxjWqRvrMEg694a11oBAa4VMS7lP7/vgcD/Lgd63tEkGVJCG40SR1426puLEwm9cnEn22rIDDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:26:36.166058Z"},"content_sha256":"0fcc27ff49f2d32f4e5ca318636447005f4f895382815b8bdadb2ffd88e13c44","schema_version":"1.0","event_id":"sha256:0fcc27ff49f2d32f4e5ca318636447005f4f895382815b8bdadb2ffd88e13c44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/bundle.json","state_url":"https://pith.science/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/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":"2026-08-04T04:26:36Z","links":{"resolver":"https://pith.science/pith/EHCXNZU3E42KSI2VCMXXD7NBSB","bundle":"https://pith.science/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/bundle.json","state":"https://pith.science/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EHCXNZU3E42KSI2VCMXXD7NBSB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:EHCXNZU3E42KSI2VCMXXD7NBSB","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":"16086be2e8757b890f250a1f7c01fa1bb0b0cc24d42f2ce5965c015268939678","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-01-23T17:51:01Z","title_canon_sha256":"1fc74dd913a66d956fdfcc3dd1fd3dd7f0ba0678a3c520c0283d92733df15dc6"},"schema_version":"1.0","source":{"id":"0901.3601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0901.3601","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"arxiv_version","alias_value":"0901.3601v1","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.3601","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_12","alias_value":"EHCXNZU3E42K","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_16","alias_value":"EHCXNZU3E42KSI2V","created_at":"2026-07-04T15:46:44Z"},{"alias_kind":"pith_short_8","alias_value":"EHCXNZU3","created_at":"2026-07-04T15:46:44Z"}],"graph_snapshots":[{"event_id":"sha256:0fcc27ff49f2d32f4e5ca318636447005f4f895382815b8bdadb2ffd88e13c44","target":"graph","created_at":"2026-07-04T15:46:44Z","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/0901.3601/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the azimuthal asymmetry in the Drell-Yan lepton pair production in hadronic scattering processes at moderate transverse momentum region, taking into account the contributions from the twist-three quark-gluon correlations from the unpolarized hadrons. The contributions are found to dominate the asymmetry, and are not power suppressed by q_\\perp/Q at small q_\\perp where q_\\perp and Q are the transverse momentum and invariant mass of the lepton pair. Accordingly, the Lam-Tung relation will be violated at this momentum region, and its violation depends on the twist-three functions. Howeve","authors_text":"Feng Yuan, Jian Zhou, Zuo-Tang Liang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-01-23T17:51:01Z","title":"Drell-Yan Lepton Pair Azimuthal Asymmetry in Hadronic Processes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.3601","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":"sha256:0419c26060270194f0855ed7c599a2d497841669a7779ff019ae622762ed6bca","target":"record","created_at":"2026-07-04T15:46:44Z","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":"16086be2e8757b890f250a1f7c01fa1bb0b0cc24d42f2ce5965c015268939678","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-01-23T17:51:01Z","title_canon_sha256":"1fc74dd913a66d956fdfcc3dd1fd3dd7f0ba0678a3c520c0283d92733df15dc6"},"schema_version":"1.0","source":{"id":"0901.3601","kind":"arxiv","version":1}},"canonical_sha256":"21c576e69b2734a92355132f71fda1907981a5e9bb5dc6200cc8cc17b1d1e0fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21c576e69b2734a92355132f71fda1907981a5e9bb5dc6200cc8cc17b1d1e0fa","first_computed_at":"2026-07-04T15:46:44.527841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:46:44.527841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QODW43H8VYYJDcot3t0PQg71Jsr+2LY5FVzWBum0HaZAh57kA/9c2jHMnBeRwxd7Klhemt6vXjzHHHoExhcHBg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:46:44.528211Z","signed_message":"canonical_sha256_bytes"},"source_id":"0901.3601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0419c26060270194f0855ed7c599a2d497841669a7779ff019ae622762ed6bca","sha256:0fcc27ff49f2d32f4e5ca318636447005f4f895382815b8bdadb2ffd88e13c44"],"state_sha256":"85d4c2c799d3486cade8efc63c5da4597e3a0ba2810fa74a4f1379eeb441e9d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ew0wbQ0VA0lWxo9lYe0cQktA3lG45H7GE1Cd7ZIrBZ8F/a5Rk/XTwV/4E8/OsLIkjjXYdWtJlFAWg+JHRlETDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:26:36.170005Z","bundle_sha256":"3ba8105484c66b2f22557c171a1e3dbb0b98e74d0916a26c5452b9a1ce3b01b1"}}