{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PRRGFG4MQGNK6UHZDAHGX5Y7NF","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":"81007871ad3f963f04a203013f5df5faaada0934d799cf6f6adbac06897bb41a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-08-03T21:07:14Z","title_canon_sha256":"93e1e0649a6fc6e0f88637f25de990ffcc2bf3c2ddd46a0f6e17c025c38a9e8e"},"schema_version":"1.0","source":{"id":"1508.00597","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00597","created_at":"2026-05-18T01:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00597v1","created_at":"2026-05-18T01:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00597","created_at":"2026-05-18T01:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"PRRGFG4MQGNK","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PRRGFG4MQGNK6UHZ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PRRGFG4M","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:32267e2f8655b2f47dad21ba88490c169a3d1a1026117378f7421fe1c26d09c9","target":"graph","created_at":"2026-05-18T01:35:53Z","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 discuss two different definitions of partonic orbital angular momentum given in the literature in terms of the Fourier transform of a Wigner distribution, $F_{14}$, and a twist three generalized parton distribution, $\\tilde{E}_{2T}$, respectively. We derive a relation between the two definitions which reflects their specific spin and intrinsic transverse momentum/transverse space correlations as well as their gauge link structure.","authors_text":"Abha Rajan, Aurore Courtoy, Michael Engelhardt, Simonetta Liuti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-08-03T21:07:14Z","title":"Towards a Direct Measurement of the Quark Orbital Angular Momentum Distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00597","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":"sha256:86be07c01f319996fa98e1dbcfa45fe3a61bf749ade7f2154abd05559a9fda9f","target":"record","created_at":"2026-05-18T01:35:53Z","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":"81007871ad3f963f04a203013f5df5faaada0934d799cf6f6adbac06897bb41a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-08-03T21:07:14Z","title_canon_sha256":"93e1e0649a6fc6e0f88637f25de990ffcc2bf3c2ddd46a0f6e17c025c38a9e8e"},"schema_version":"1.0","source":{"id":"1508.00597","kind":"arxiv","version":1}},"canonical_sha256":"7c62629b8c819aaf50f9180e6bf71f69658bddf5c6b51f6a852fb5045615869b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c62629b8c819aaf50f9180e6bf71f69658bddf5c6b51f6a852fb5045615869b","first_computed_at":"2026-05-18T01:35:53.903513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:53.903513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aoDE/4n0SQCllRri7JNbbH5w4wUtSuB2KlN13vpqlpsdYALly4O7jJX9Q9aAIBTKMNsAUEZdGKFIfqjj63DODg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:53.904197Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00597","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86be07c01f319996fa98e1dbcfa45fe3a61bf749ade7f2154abd05559a9fda9f","sha256:32267e2f8655b2f47dad21ba88490c169a3d1a1026117378f7421fe1c26d09c9"],"state_sha256":"b9b1a3c1e15cb937316c42fc83b7b4d85d3fd0bce5066e25add0f81bf9ffc384"}