{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:SR5ZZVET5HELNAYSM4ZGWW2PPK","short_pith_number":"pith:SR5ZZVET","schema_version":"1.0","canonical_sha256":"947b9cd493e9c8b6831267326b5b4f7a8ae21ddf4ca60ebe54215a6047e102f0","source":{"kind":"arxiv","id":"hep-ph/9901375","version":1},"attestation_state":"computed","paper":{"title":"$J/\\psi$ Photoproduction and the Gluon Structure of the Nucleon","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Syamtomov, D. Kharzeev, G. Zinovjev, H. Satz","submitted_at":"1999-01-21T16:08:32Z","abstract_excerpt":"Using short distance QCD methods based on the operator product expansion, we calculate the $J/\\psi$ photoproduction cross section in terms of the gluon distribution function of the nucleon. Comparing the result with data, we show that experimental behaviour of the cross section correctly reflects the $x$-dependence of the gluon distribution obtained from deep inelastic scattering."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9901375","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-01-21T16:08:32Z","cross_cats_sorted":[],"title_canon_sha256":"8c96cf524da4ccf6cc644e337ef118c1d0a9b24b25e7814a1e62ddfdced7ce3b","abstract_canon_sha256":"5d4da2350b2e5185b067a3b0dd0dce1686597469fe3f48a7a4d3fb56f7d72cb9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:17.733932Z","signature_b64":"K+XrefvwWLOWt3tuAovHbhaor7fH74aIVYaohjor+lMxeZ7mO1+sKSTxRrSNZF6++FeMspdOkWgpze1lmLCuDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"947b9cd493e9c8b6831267326b5b4f7a8ae21ddf4ca60ebe54215a6047e102f0","last_reissued_at":"2026-05-18T04:13:17.733457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:17.733457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$J/\\psi$ Photoproduction and the Gluon Structure of the Nucleon","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Syamtomov, D. Kharzeev, G. Zinovjev, H. Satz","submitted_at":"1999-01-21T16:08:32Z","abstract_excerpt":"Using short distance QCD methods based on the operator product expansion, we calculate the $J/\\psi$ photoproduction cross section in terms of the gluon distribution function of the nucleon. Comparing the result with data, we show that experimental behaviour of the cross section correctly reflects the $x$-dependence of the gluon distribution obtained from deep inelastic scattering."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9901375","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9901375","created_at":"2026-05-18T04:13:17.733526+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9901375v1","created_at":"2026-05-18T04:13:17.733526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9901375","created_at":"2026-05-18T04:13:17.733526+00:00"},{"alias_kind":"pith_short_12","alias_value":"SR5ZZVET5HEL","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"SR5ZZVET5HELNAYS","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"SR5ZZVET","created_at":"2026-05-18T12:25:49.631198+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK","json":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK.json","graph_json":"https://pith.science/api/pith-number/SR5ZZVET5HELNAYSM4ZGWW2PPK/graph.json","events_json":"https://pith.science/api/pith-number/SR5ZZVET5HELNAYSM4ZGWW2PPK/events.json","paper":"https://pith.science/paper/SR5ZZVET"},"agent_actions":{"view_html":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK","download_json":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK.json","view_paper":"https://pith.science/paper/SR5ZZVET","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9901375&json=true","fetch_graph":"https://pith.science/api/pith-number/SR5ZZVET5HELNAYSM4ZGWW2PPK/graph.json","fetch_events":"https://pith.science/api/pith-number/SR5ZZVET5HELNAYSM4ZGWW2PPK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK/action/storage_attestation","attest_author":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK/action/author_attestation","sign_citation":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK/action/citation_signature","submit_replication":"https://pith.science/pith/SR5ZZVET5HELNAYSM4ZGWW2PPK/action/replication_record"}},"created_at":"2026-05-18T04:13:17.733526+00:00","updated_at":"2026-05-18T04:13:17.733526+00:00"}