{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:QE5DWMSZTTGEHJSAOCMTD4DDQV","short_pith_number":"pith:QE5DWMSZ","schema_version":"1.0","canonical_sha256":"813a3b32599ccc43a640709931f06385782470e056e76dd19da6128345c45728","source":{"kind":"arxiv","id":"hep-ph/9907497","version":2},"attestation_state":"computed","paper":{"title":"New extraction of color-octet NRQCD matrix elements from charmonium hadroproduction","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"M.A. Sanchis-Lozano","submitted_at":"1999-07-26T16:23:15Z","abstract_excerpt":"We re-analyze Tavatron data on charmonium hadroproduction in the framework of the color-octet model implemented in the event generator PYTHIA taking into account initial-state radiation of gluons and Altarelli-Parisi evolution of final-state gluons fragmenting into $c\\bar{c}$ pairs. We obtain new values for the color-octet matrix elements relevant to this production process. We discuss the sensitivity of our results to the transverse momentum lower cut-off employed in the generation to avoid the problematic $p_t{\\to}0$ region, arguing about the reliability of our previous extraction of the NRQ"},"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/9907497","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-07-26T16:23:15Z","cross_cats_sorted":[],"title_canon_sha256":"68cc58494f6bac83f46e5679f6795138d72947dac9f952e2f71150bca75c00c4","abstract_canon_sha256":"f9abf8447ce9ef5316f9f58fb07065517168a4661e348d71934e5bc9ba361b24"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:27.663607Z","signature_b64":"Nc8UzO/fLeL4/iugWOFP/hf4QLM4h51tJjddpy2P2XvKayxq8eWOfX7RN3DW3vyrezssNytk8kfRAjhcfPkMAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"813a3b32599ccc43a640709931f06385782470e056e76dd19da6128345c45728","last_reissued_at":"2026-05-18T02:36:27.662987Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:27.662987Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"New extraction of color-octet NRQCD matrix elements from charmonium hadroproduction","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"M.A. Sanchis-Lozano","submitted_at":"1999-07-26T16:23:15Z","abstract_excerpt":"We re-analyze Tavatron data on charmonium hadroproduction in the framework of the color-octet model implemented in the event generator PYTHIA taking into account initial-state radiation of gluons and Altarelli-Parisi evolution of final-state gluons fragmenting into $c\\bar{c}$ pairs. We obtain new values for the color-octet matrix elements relevant to this production process. We discuss the sensitivity of our results to the transverse momentum lower cut-off employed in the generation to avoid the problematic $p_t{\\to}0$ region, arguing about the reliability of our previous extraction of the NRQ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9907497","kind":"arxiv","version":2},"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/9907497","created_at":"2026-05-18T02:36:27.663084+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9907497v2","created_at":"2026-05-18T02:36:27.663084+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9907497","created_at":"2026-05-18T02:36:27.663084+00:00"},{"alias_kind":"pith_short_12","alias_value":"QE5DWMSZTTGE","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"QE5DWMSZTTGEHJSA","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"QE5DWMSZ","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/QE5DWMSZTTGEHJSAOCMTD4DDQV","json":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV.json","graph_json":"https://pith.science/api/pith-number/QE5DWMSZTTGEHJSAOCMTD4DDQV/graph.json","events_json":"https://pith.science/api/pith-number/QE5DWMSZTTGEHJSAOCMTD4DDQV/events.json","paper":"https://pith.science/paper/QE5DWMSZ"},"agent_actions":{"view_html":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV","download_json":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV.json","view_paper":"https://pith.science/paper/QE5DWMSZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9907497&json=true","fetch_graph":"https://pith.science/api/pith-number/QE5DWMSZTTGEHJSAOCMTD4DDQV/graph.json","fetch_events":"https://pith.science/api/pith-number/QE5DWMSZTTGEHJSAOCMTD4DDQV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV/action/storage_attestation","attest_author":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV/action/author_attestation","sign_citation":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV/action/citation_signature","submit_replication":"https://pith.science/pith/QE5DWMSZTTGEHJSAOCMTD4DDQV/action/replication_record"}},"created_at":"2026-05-18T02:36:27.663084+00:00","updated_at":"2026-05-18T02:36:27.663084+00:00"}