{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6OR55MVXLQ6CGD4LHMMEQDFPIT","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":"37bab69887eec7d4d82d54a3b417319b5daeaa3b2620dd645b0a7245aa594a97","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-08T13:46:16Z","title_canon_sha256":"c3044afb1785b5167cc0b488b72cc31aba2f4f00f6e390bae8d4e3435aa8c3f1"},"schema_version":"1.0","source":{"id":"1805.03017","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03017","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03017v2","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03017","created_at":"2026-05-18T00:06:59Z"},{"alias_kind":"pith_short_12","alias_value":"6OR55MVXLQ6C","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6OR55MVXLQ6CGD4L","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6OR55MVX","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:d8dff69992a3f80d78a10cd17d2e820e6c56bc6d73d8edbcf5e768b4b0fb7782","target":"graph","created_at":"2026-05-18T00:06:59Z","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 investigate the theoretical framework of the $\\cos 2\\phi$ azimuthal asymmetry contributed by the coupling of two Boer-Mulders functions in the dilepton production unpolarized $\\pi p$ Drell-Yan process by applying the transverse momentum dependent factorization at leading order. We adopt the model calculation results of the unpolarized distribution function $f_1$ and Boer-Mulders function $h_1^\\perp$ of pion meson from the light-cone wave functions. We take into account the transverse momentum evolution effects for both the distribution functions of pion and proton by adopting the existed ex","authors_text":"Wenjuan Mao, Xiaoyu Wang, Zhun Lu","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-08T13:46:16Z","title":"Boer-Mulders effect in the unpolarized pion induced Drell-Yan process at COMPASS within TMD factorization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03017","kind":"arxiv","version":2},"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":"sha256:384f683b8e1901b18ded597652db6df95f8e0dfa07ccedeb23f48532e3f192e1","target":"record","created_at":"2026-05-18T00:06:59Z","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":"37bab69887eec7d4d82d54a3b417319b5daeaa3b2620dd645b0a7245aa594a97","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-05-08T13:46:16Z","title_canon_sha256":"c3044afb1785b5167cc0b488b72cc31aba2f4f00f6e390bae8d4e3435aa8c3f1"},"schema_version":"1.0","source":{"id":"1805.03017","kind":"arxiv","version":2}},"canonical_sha256":"f3a3deb2b75c3c230f8b3b18480caf44d43d6d64a458970d6e34bb8d959f798b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3a3deb2b75c3c230f8b3b18480caf44d43d6d64a458970d6e34bb8d959f798b","first_computed_at":"2026-05-18T00:06:59.851223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:59.851223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lffL9UFFLss/rW0k1kNtrM9Bkr7lZkEzlrxfujYKU1UTIr1ELV4BZSLn25XC+EU3rnjPF33qOOfGll2KbSOGAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:59.851840Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03017","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:384f683b8e1901b18ded597652db6df95f8e0dfa07ccedeb23f48532e3f192e1","sha256:d8dff69992a3f80d78a10cd17d2e820e6c56bc6d73d8edbcf5e768b4b0fb7782"],"state_sha256":"125cd3fc9c8722edf7c48b48e854f389760eb69af4917853d69179c461603436"}