{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XNVEYCBCGTJOZ5QQADMUPXTYYD","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":"c1b8704ba5567f9d0f3d91e9928afe7cccfd1826c3f409d9a5b49be594f6877f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-06T06:17:30Z","title_canon_sha256":"112a208b86049cfc6d13899394210879af176f6ff4ef8fea1230c92c2069e9d9"},"schema_version":"1.0","source":{"id":"1612.01679","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01679","created_at":"2026-05-18T00:33:59Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01679v6","created_at":"2026-05-18T00:33:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01679","created_at":"2026-05-18T00:33:59Z"},{"alias_kind":"pith_short_12","alias_value":"XNVEYCBCGTJO","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XNVEYCBCGTJOZ5QQ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XNVEYCBC","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:5ed39b44feb9e5b189b6a7d00a61ad91a0e2446cbddb673663450b1840ff66e5","target":"graph","created_at":"2026-05-18T00:33:59Z","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 present calculations of coherent photoproduction of vector mesons ($J/\\Psi$ and $\\Upsilon$) with leading-order parton distribution functions to check new kinds of corrections of the DGLAP equations and nuclear modifications. The input gluon distribution of the proton is the dynamical parton model from the DGLAP equations with GLR-MQ-ZRS (Gribov-Levin-Ryskin, Mueller-Qiu, Zhu-Ruan-Shen) modifications. From comparison between several other gluon distribution models, we find that the dynamical gluon distribution fits with the results of meson photoproduction experiments in the high energy regi","authors_text":"Qiang Fu, Xurong Chen","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-06T06:17:30Z","title":"Coherent photoproductions of $J/\\Psi$ and $\\Upsilon$ mesons in pp and PbPb ultraperipheral collisions from dynamical gluon distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01679","kind":"arxiv","version":6},"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:a837e42190a23592040330f49825376febf6df9597e5ad8c1d02aecb1518d298","target":"record","created_at":"2026-05-18T00:33:59Z","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":"c1b8704ba5567f9d0f3d91e9928afe7cccfd1826c3f409d9a5b49be594f6877f","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-06T06:17:30Z","title_canon_sha256":"112a208b86049cfc6d13899394210879af176f6ff4ef8fea1230c92c2069e9d9"},"schema_version":"1.0","source":{"id":"1612.01679","kind":"arxiv","version":6}},"canonical_sha256":"bb6a4c082234d2ecf61000d947de78c0db7470ecc725095218ba275c730ea232","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb6a4c082234d2ecf61000d947de78c0db7470ecc725095218ba275c730ea232","first_computed_at":"2026-05-18T00:33:59.635759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:59.635759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xESzDkq1UmjwZVTdZgFgM0gluzX5Tw1axMXLH55B1RzDaaMP0VoX//QgLOHjMcfgg5lPIvZSkJ+fZHogbLE0Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:59.636563Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.01679","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a837e42190a23592040330f49825376febf6df9597e5ad8c1d02aecb1518d298","sha256:5ed39b44feb9e5b189b6a7d00a61ad91a0e2446cbddb673663450b1840ff66e5"],"state_sha256":"cb0c41b687a12cc5d7f0042d405d198e891203754e1fe4dc79249b459ca9a61e"}