{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:QHBY3WQY34LDG7BWYCNNGB2SNA","short_pith_number":"pith:QHBY3WQY","schema_version":"1.0","canonical_sha256":"81c38dda18df16337c36c09ad30752682d380e78676f9f34e331e07fae418fa9","source":{"kind":"arxiv","id":"1009.3423","version":1},"attestation_state":"computed","paper":{"title":"Azimuthal asymmetries in unpolarized Drell-Yan processes and the Boer-Mulders distributions of antiquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alexei Prokudin, Stefano Melis, Vincenzo Barone","submitted_at":"2010-09-17T13:35:23Z","abstract_excerpt":"Using a previous extraction of the quark Boer-Mulders distributions from semiinclusive deep inelastic scattering data, we fit the unpolarized Drell-Yan data on the $\\cos 2 \\phi$ asymmetry, determining the antiquark Boer-Mulders distributions. A good agreement with the data is found in the region of low $q_T$, where the transverse-momentum factorization approach applies."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1009.3423","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-09-17T13:35:23Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"72f6c3c6183dea4ec13f28e745ee903de8a6c11c0ee4145feaa53079cf303914","abstract_canon_sha256":"496eef929281735d4c3d649985aa52bf77c34e921c535e16475d43db8392a5d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:22.282722Z","signature_b64":"4RmpTLmqU5vv45apdGeatubao2KyxNgGV04u2xMppedcrRNhBCnuvmSu627D2lFKPj4loOSKi9BkxSGTFldrBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81c38dda18df16337c36c09ad30752682d380e78676f9f34e331e07fae418fa9","last_reissued_at":"2026-05-18T04:31:22.282263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:22.282263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Azimuthal asymmetries in unpolarized Drell-Yan processes and the Boer-Mulders distributions of antiquarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Alexei Prokudin, Stefano Melis, Vincenzo Barone","submitted_at":"2010-09-17T13:35:23Z","abstract_excerpt":"Using a previous extraction of the quark Boer-Mulders distributions from semiinclusive deep inelastic scattering data, we fit the unpolarized Drell-Yan data on the $\\cos 2 \\phi$ asymmetry, determining the antiquark Boer-Mulders distributions. A good agreement with the data is found in the region of low $q_T$, where the transverse-momentum factorization approach applies."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.3423","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1009.3423","created_at":"2026-05-18T04:31:22.282331+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.3423v1","created_at":"2026-05-18T04:31:22.282331+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.3423","created_at":"2026-05-18T04:31:22.282331+00:00"},{"alias_kind":"pith_short_12","alias_value":"QHBY3WQY34LD","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"QHBY3WQY34LDG7BW","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"QHBY3WQY","created_at":"2026-05-18T12:26:12.377268+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA","json":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA.json","graph_json":"https://pith.science/api/pith-number/QHBY3WQY34LDG7BWYCNNGB2SNA/graph.json","events_json":"https://pith.science/api/pith-number/QHBY3WQY34LDG7BWYCNNGB2SNA/events.json","paper":"https://pith.science/paper/QHBY3WQY"},"agent_actions":{"view_html":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA","download_json":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA.json","view_paper":"https://pith.science/paper/QHBY3WQY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.3423&json=true","fetch_graph":"https://pith.science/api/pith-number/QHBY3WQY34LDG7BWYCNNGB2SNA/graph.json","fetch_events":"https://pith.science/api/pith-number/QHBY3WQY34LDG7BWYCNNGB2SNA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA/action/storage_attestation","attest_author":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA/action/author_attestation","sign_citation":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA/action/citation_signature","submit_replication":"https://pith.science/pith/QHBY3WQY34LDG7BWYCNNGB2SNA/action/replication_record"}},"created_at":"2026-05-18T04:31:22.282331+00:00","updated_at":"2026-05-18T04:31:22.282331+00:00"}