{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1993:YEOQXSBRKT5AWIVJFJUKNIZ32B","short_pith_number":"pith:YEOQXSBR","schema_version":"1.0","canonical_sha256":"c11d0bc83154fa0b22a92a68a6a33bd043e237a60be367f58651b7892fb2d525","source":{"kind":"arxiv","id":"hep-ph/9304289","version":1},"attestation_state":"computed","paper":{"title":"On the Determination of the Gluon Density of the Proton from Heavy-Flavour Production at HERA","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Giovanni Ridolfi, Stefano Frixione Michelangelo L. Mangano Paolo Nason","submitted_at":"1993-04-22T17:06:03Z","abstract_excerpt":"Using a recent next-to-leading-order calculation of the photoproduction double differential cross section for heavy quarks, we study the possibility of extracting the gluon density of the proton from heavy-quark photoproduction data. We discuss the theoretical uncertainties connected with this method, and we conclude that they are well under control in a wide $x$ domain."},"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/9304289","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1993-04-22T17:06:03Z","cross_cats_sorted":[],"title_canon_sha256":"a141d3440c7846cf0e0a45cd4bf6ef8dce5d843be9a5030b5b0055eb1c467856","abstract_canon_sha256":"69bd6cf8fbcd129764e32adfe8f37a6deb05bad2a56cbcd3e04f9815d3ca289e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:55.337596Z","signature_b64":"1jZAD9MCepE8n2D6u/i7Ef7VM2q5rYPylJ6K+/jSbr/VUAGjq1A/Hk0Z3bBNV9SBQOGTagkqimGAmAuYTFaIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c11d0bc83154fa0b22a92a68a6a33bd043e237a60be367f58651b7892fb2d525","last_reissued_at":"2026-05-18T04:37:55.336793Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:55.336793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Determination of the Gluon Density of the Proton from Heavy-Flavour Production at HERA","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Giovanni Ridolfi, Stefano Frixione Michelangelo L. Mangano Paolo Nason","submitted_at":"1993-04-22T17:06:03Z","abstract_excerpt":"Using a recent next-to-leading-order calculation of the photoproduction double differential cross section for heavy quarks, we study the possibility of extracting the gluon density of the proton from heavy-quark photoproduction data. We discuss the theoretical uncertainties connected with this method, and we conclude that they are well under control in a wide $x$ domain."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9304289","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/9304289","created_at":"2026-05-18T04:37:55.336931+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9304289v1","created_at":"2026-05-18T04:37:55.336931+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9304289","created_at":"2026-05-18T04:37:55.336931+00:00"},{"alias_kind":"pith_short_12","alias_value":"YEOQXSBRKT5A","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_16","alias_value":"YEOQXSBRKT5AWIVJ","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_8","alias_value":"YEOQXSBR","created_at":"2026-05-18T12:25:47.102015+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/YEOQXSBRKT5AWIVJFJUKNIZ32B","json":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B.json","graph_json":"https://pith.science/api/pith-number/YEOQXSBRKT5AWIVJFJUKNIZ32B/graph.json","events_json":"https://pith.science/api/pith-number/YEOQXSBRKT5AWIVJFJUKNIZ32B/events.json","paper":"https://pith.science/paper/YEOQXSBR"},"agent_actions":{"view_html":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B","download_json":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B.json","view_paper":"https://pith.science/paper/YEOQXSBR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9304289&json=true","fetch_graph":"https://pith.science/api/pith-number/YEOQXSBRKT5AWIVJFJUKNIZ32B/graph.json","fetch_events":"https://pith.science/api/pith-number/YEOQXSBRKT5AWIVJFJUKNIZ32B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B/action/storage_attestation","attest_author":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B/action/author_attestation","sign_citation":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B/action/citation_signature","submit_replication":"https://pith.science/pith/YEOQXSBRKT5AWIVJFJUKNIZ32B/action/replication_record"}},"created_at":"2026-05-18T04:37:55.336931+00:00","updated_at":"2026-05-18T04:37:55.336931+00:00"}