{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ARX66U4MJEZWE5MD5J6XBOY7VT","short_pith_number":"pith:ARX66U4M","schema_version":"1.0","canonical_sha256":"046fef538c4933627583ea7d70bb1face813ba95a4bf24a09ea45dd7b24b6e25","source":{"kind":"arxiv","id":"1506.04517","version":1},"attestation_state":"computed","paper":{"title":"On gamma_5 in higher-order QCD calculations and the NNLO evolution of the polarized valence distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Amsterdam), A. Vogt (Liverpool U., Dept. Math.), Inst. Theor. Phys. II), J.A.M. Vermaseren (NIKHEF, S. Moch (Hamburg U.","submitted_at":"2015-06-15T08:47:47Z","abstract_excerpt":"We discuss the prescription for the Dirac matrix gamma_5 in dimensional regularization used in most second- and third-order QCD calculations of collider cross sections. We provide an alternative implementation of this approach that avoids the use of an explicit form of gamma_5 and of its (anti-) commutation relations in the most important case of no more than one gamma_5 in each fermion trace. This treatment is checked by computing the third-order corrections to the structure functions F_2 and g_1 in charged-current deep-inelastic scattering with axial-vector couplings to the W-bosons. We deri"},"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":"1506.04517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-06-15T08:47:47Z","cross_cats_sorted":[],"title_canon_sha256":"5ad2d18245130e67f637c8e41a23690d9009d9c4ec1304115e27a4bca5cf7bf5","abstract_canon_sha256":"a90c3051d8e08039d161a39bd88a8ab052936ab9f17878dcb1a323da1a448312"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:30.960585Z","signature_b64":"GQGbU4NZCMdT6eeBVi2e7MiiQuJAqMJawyF7hRfjvSzM/LaUuFJqSDorUWNlhp6snbeYPFIvdOXO/QBNEQ9YBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"046fef538c4933627583ea7d70bb1face813ba95a4bf24a09ea45dd7b24b6e25","last_reissued_at":"2026-05-18T01:49:30.960027Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:30.960027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On gamma_5 in higher-order QCD calculations and the NNLO evolution of the polarized valence distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Amsterdam), A. Vogt (Liverpool U., Dept. Math.), Inst. Theor. Phys. II), J.A.M. Vermaseren (NIKHEF, S. Moch (Hamburg U.","submitted_at":"2015-06-15T08:47:47Z","abstract_excerpt":"We discuss the prescription for the Dirac matrix gamma_5 in dimensional regularization used in most second- and third-order QCD calculations of collider cross sections. We provide an alternative implementation of this approach that avoids the use of an explicit form of gamma_5 and of its (anti-) commutation relations in the most important case of no more than one gamma_5 in each fermion trace. This treatment is checked by computing the third-order corrections to the structure functions F_2 and g_1 in charged-current deep-inelastic scattering with axial-vector couplings to the W-bosons. We deri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04517","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":"1506.04517","created_at":"2026-05-18T01:49:30.960114+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.04517v1","created_at":"2026-05-18T01:49:30.960114+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04517","created_at":"2026-05-18T01:49:30.960114+00:00"},{"alias_kind":"pith_short_12","alias_value":"ARX66U4MJEZW","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"ARX66U4MJEZWE5MD","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"ARX66U4M","created_at":"2026-05-18T12:29:10.953037+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.17596","citing_title":"Energy Correlators Resolving Proton Spin","ref_index":21,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT","json":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT.json","graph_json":"https://pith.science/api/pith-number/ARX66U4MJEZWE5MD5J6XBOY7VT/graph.json","events_json":"https://pith.science/api/pith-number/ARX66U4MJEZWE5MD5J6XBOY7VT/events.json","paper":"https://pith.science/paper/ARX66U4M"},"agent_actions":{"view_html":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT","download_json":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT.json","view_paper":"https://pith.science/paper/ARX66U4M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.04517&json=true","fetch_graph":"https://pith.science/api/pith-number/ARX66U4MJEZWE5MD5J6XBOY7VT/graph.json","fetch_events":"https://pith.science/api/pith-number/ARX66U4MJEZWE5MD5J6XBOY7VT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT/action/storage_attestation","attest_author":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT/action/author_attestation","sign_citation":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT/action/citation_signature","submit_replication":"https://pith.science/pith/ARX66U4MJEZWE5MD5J6XBOY7VT/action/replication_record"}},"created_at":"2026-05-18T01:49:30.960114+00:00","updated_at":"2026-05-18T01:49:30.960114+00:00"}