{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:7WGNOZMPPL2S4FZUZJBLSQA5QT","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":"fdd726c934184b173d1bc555ff0a0d6c913070e5025998f5447703f3f7a912b3","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-07-26T10:09:09Z","title_canon_sha256":"f570e218ec782f2b9affedcb62b82aba5ef1bc0d4498a57e3db7322e665b2ca1"},"schema_version":"1.0","source":{"id":"hep-ph/0207318","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0207318","created_at":"2026-05-18T04:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0207318v2","created_at":"2026-05-18T04:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0207318","created_at":"2026-05-18T04:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"7WGNOZMPPL2S","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"7WGNOZMPPL2S4FZU","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"7WGNOZMP","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:d1f07f57123f561eeafadff8d27a8f1b0c5a704b09ca85d57f7c3dc8a3e4f540","target":"graph","created_at":"2026-05-18T04:26:11Z","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 double spin asymmetry for exclusive $J/\\psi$ pair production in the polarized $p-p$ collisions at RHIC is investigated. Our study shows that the asymmetry in this process is measurable at RHIC-SPIN experiments in the near future, and, hence it can be used to determine the gluon distribution function $\\Delta G (x)$ in the polarized nucleon.","authors_text":"Cong-Feng Qiao, Jiro KODAIRA","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2002-07-26T10:09:09Z","title":"Detect \\Delta G at BNL-RHIC via Double Quarkonium Production"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0207318","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":"sha256:2ca9d92745cd4fee7c0fc9864f5effc24a928168bf537556750e4529d16e4718","target":"record","created_at":"2026-05-18T04:26:11Z","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":"fdd726c934184b173d1bc555ff0a0d6c913070e5025998f5447703f3f7a912b3","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2002-07-26T10:09:09Z","title_canon_sha256":"f570e218ec782f2b9affedcb62b82aba5ef1bc0d4498a57e3db7322e665b2ca1"},"schema_version":"1.0","source":{"id":"hep-ph/0207318","kind":"arxiv","version":2}},"canonical_sha256":"fd8cd7658f7af52e1734ca42b9401d84d81463845e683154b993469cc7a50c84","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd8cd7658f7af52e1734ca42b9401d84d81463845e683154b993469cc7a50c84","first_computed_at":"2026-05-18T04:26:11.079494Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:26:11.079494Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0IltSRIQ8m/Dtpq6UJk7FJgt6TDl3oZLRTrvMFak3rv4eTMxmrHr8tZMvpZ6u3/d2OL9z+P/fPLbEUyXjPDuBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:26:11.079907Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0207318","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ca9d92745cd4fee7c0fc9864f5effc24a928168bf537556750e4529d16e4718","sha256:d1f07f57123f561eeafadff8d27a8f1b0c5a704b09ca85d57f7c3dc8a3e4f540"],"state_sha256":"724fc1433cdb27667004d99ebd1833e7b0917427f02aa9b07250592c52f7a87d"}