{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:266ABO46H7CR6MAITVTZFUHAOS","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":"4c2079d75e22b21593e7bdf02330a06e69f688b656c668d4940bb68d014be500","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-01-21T17:45:31Z","title_canon_sha256":"cc54bc85d83c9bbfa7c86ece1a1ef7194352e059433595b1a0511f2d49936d01"},"schema_version":"1.0","source":{"id":"hep-ph/0301182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0301182","created_at":"2026-05-18T02:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0301182v1","created_at":"2026-05-18T02:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0301182","created_at":"2026-05-18T02:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"266ABO46H7CR","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"266ABO46H7CR6MAI","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"266ABO46","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:35c3fc9d21297c523cb7165d8ed3d660be941e3debd63ca4430270f4d71d4098","target":"graph","created_at":"2026-05-18T02:36:36Z","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":"The end-point contributions in the quark longitudinal momentum fraction of the virtual photon ($\\gamma^*$) to vector meson ($V$) impact factor to the diffractive electroproduction amplitude can be factorized in terms of a generalized parton evolution of the target parton distribution. The result is used to model the helicity amplitudes $\\gamma^* p \\to V p$ in terms of small $x$ generalized parton distributions.","authors_text":"A. Ivanov, R. Kirschner","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-01-21T17:45:31Z","title":"Electroproduction of vector mesons - factorization of end-point contributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0301182","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":"sha256:34c48ae0dfeb19f0b891f51971b104e95c5ef3c246b196581cc694c6dc6483c4","target":"record","created_at":"2026-05-18T02:36:36Z","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":"4c2079d75e22b21593e7bdf02330a06e69f688b656c668d4940bb68d014be500","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-01-21T17:45:31Z","title_canon_sha256":"cc54bc85d83c9bbfa7c86ece1a1ef7194352e059433595b1a0511f2d49936d01"},"schema_version":"1.0","source":{"id":"hep-ph/0301182","kind":"arxiv","version":1}},"canonical_sha256":"d7bc00bb9e3fc51f30089d6792d0e0749a8c3ff60d58b9e2e9e7114e91457a30","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7bc00bb9e3fc51f30089d6792d0e0749a8c3ff60d58b9e2e9e7114e91457a30","first_computed_at":"2026-05-18T02:36:36.541789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:36:36.541789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EhboSmMug7MYsId1r/7o59iOs5j/8VRZISC7/w6pm27ZWN1qc7AL6f2dmyJy5VWOkYPSk7bA1CPvfZdztL/DDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:36:36.542413Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0301182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34c48ae0dfeb19f0b891f51971b104e95c5ef3c246b196581cc694c6dc6483c4","sha256:35c3fc9d21297c523cb7165d8ed3d660be941e3debd63ca4430270f4d71d4098"],"state_sha256":"3a8765bbbe98448bec9c1e19e49c60b2c08965a7ca91329f65ba36d986ecd8d3"}