{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:EIN4I573Y4O4DINEVK7J5N2P5K","short_pith_number":"pith:EIN4I573","schema_version":"1.0","canonical_sha256":"221bc477fbc71dc1a1a4aabe9eb74fea8624274f4bd191ba51a7f28dff83bba2","source":{"kind":"arxiv","id":"0903.5174","version":2},"attestation_state":"computed","paper":{"title":"Comparing energy loss phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"M. van Leeuwen","submitted_at":"2009-03-30T10:32:10Z","abstract_excerpt":"High-pT particle production is suppressed in heavy ion collisions due to parton energy loss in dense QCD matter. Here we present a systematic comparison of two different theoretical approximations to parton energy loss calculations: the opacity expansion and the multiple-soft scattering approximation for the simple case of a quark traversing a homogeneous piece of matter with fixed length (the TECHQM 'brick problem'), with focus on the range of parameters that is relevant for interpreting RHIC measurements of high-pT hadron suppression."},"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":"0903.5174","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-03-30T10:32:10Z","cross_cats_sorted":[],"title_canon_sha256":"2125baa8f5b3ef759ef388be76e7d625d6089bf5ac1ab30e5bbf3f2388246f6c","abstract_canon_sha256":"a5dd0f4ee7ce966ea446960f1153d9586bc0208ee06b4c22500c8bfd511050e7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:00.070806Z","signature_b64":"IgO8BqRiPaOjmQNFa8pbCAddUNERhC53M7mzLySVitKT62Yqqv8bsnf6vHayRGVXX1rCAHshGGrt2rW9isX1Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"221bc477fbc71dc1a1a4aabe9eb74fea8624274f4bd191ba51a7f28dff83bba2","last_reissued_at":"2026-05-18T02:35:00.070424Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:00.070424Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparing energy loss phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"M. van Leeuwen","submitted_at":"2009-03-30T10:32:10Z","abstract_excerpt":"High-pT particle production is suppressed in heavy ion collisions due to parton energy loss in dense QCD matter. Here we present a systematic comparison of two different theoretical approximations to parton energy loss calculations: the opacity expansion and the multiple-soft scattering approximation for the simple case of a quark traversing a homogeneous piece of matter with fixed length (the TECHQM 'brick problem'), with focus on the range of parameters that is relevant for interpreting RHIC measurements of high-pT hadron suppression."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.5174","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":"0903.5174","created_at":"2026-05-18T02:35:00.070478+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.5174v2","created_at":"2026-05-18T02:35:00.070478+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.5174","created_at":"2026-05-18T02:35:00.070478+00:00"},{"alias_kind":"pith_short_12","alias_value":"EIN4I573Y4O4","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"EIN4I573Y4O4DINE","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"EIN4I573","created_at":"2026-05-18T12:25:59.703012+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/EIN4I573Y4O4DINEVK7J5N2P5K","json":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K.json","graph_json":"https://pith.science/api/pith-number/EIN4I573Y4O4DINEVK7J5N2P5K/graph.json","events_json":"https://pith.science/api/pith-number/EIN4I573Y4O4DINEVK7J5N2P5K/events.json","paper":"https://pith.science/paper/EIN4I573"},"agent_actions":{"view_html":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K","download_json":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K.json","view_paper":"https://pith.science/paper/EIN4I573","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.5174&json=true","fetch_graph":"https://pith.science/api/pith-number/EIN4I573Y4O4DINEVK7J5N2P5K/graph.json","fetch_events":"https://pith.science/api/pith-number/EIN4I573Y4O4DINEVK7J5N2P5K/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K/action/storage_attestation","attest_author":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K/action/author_attestation","sign_citation":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K/action/citation_signature","submit_replication":"https://pith.science/pith/EIN4I573Y4O4DINEVK7J5N2P5K/action/replication_record"}},"created_at":"2026-05-18T02:35:00.070478+00:00","updated_at":"2026-05-18T02:35:00.070478+00:00"}