{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:XEYCPHFLUUCTZK2SOX2OGQYNBQ","short_pith_number":"pith:XEYCPHFL","schema_version":"1.0","canonical_sha256":"b930279caba5053cab5275f4e3430d0c21eeee4c5da3b2ea257c1769b570005d","source":{"kind":"arxiv","id":"1109.1223","version":2},"attestation_state":"computed","paper":{"title":"Opening the Rome-Southampton window for operator mixing matrices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A.T. Lytle, C. Kelly, N. Garron, P.A. Boyle, R. Arthur","submitted_at":"2011-09-06T16:37:58Z","abstract_excerpt":"We show that the running of operators which mix under renormalization can be computed fully non-perturbatively as a product of continuum step scaling matrices. These step scaling matrices are obtained by taking the \"ratio\" of Z matrices computed at different energies in an RI-MOM type scheme for which twisted boundary conditions are an essential ingredient. Our method allows us to relax the bounds of the Rome-Southampton window. We also explain why such a method is important in view of the light quark physics program of the RBC-UKQCD collaborations. To illustrate our method, using n_f=2+1 doma"},"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":"1109.1223","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2011-09-06T16:37:58Z","cross_cats_sorted":[],"title_canon_sha256":"c41e1767eef8ee541521fd05cb1ed20fc83dd3ed7b69f3114f42e04b9046d69b","abstract_canon_sha256":"fab64d51d27f75d45d1cf8bb820150074627b4911387480b7c049bd2460fe85f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:56.860964Z","signature_b64":"U6OQxi4Qk7dL0YFB9GiiOJhvGi55bnFbLjQ5xB96UyXlil8HIC2k9m0a+DUqL3rPW0ElQbdqrueQpQTA4/g9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b930279caba5053cab5275f4e3430d0c21eeee4c5da3b2ea257c1769b570005d","last_reissued_at":"2026-05-18T04:03:56.860478Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:56.860478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Opening the Rome-Southampton window for operator mixing matrices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A.T. Lytle, C. Kelly, N. Garron, P.A. Boyle, R. Arthur","submitted_at":"2011-09-06T16:37:58Z","abstract_excerpt":"We show that the running of operators which mix under renormalization can be computed fully non-perturbatively as a product of continuum step scaling matrices. These step scaling matrices are obtained by taking the \"ratio\" of Z matrices computed at different energies in an RI-MOM type scheme for which twisted boundary conditions are an essential ingredient. Our method allows us to relax the bounds of the Rome-Southampton window. We also explain why such a method is important in view of the light quark physics program of the RBC-UKQCD collaborations. To illustrate our method, using n_f=2+1 doma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1223","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":"1109.1223","created_at":"2026-05-18T04:03:56.860553+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.1223v2","created_at":"2026-05-18T04:03:56.860553+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1223","created_at":"2026-05-18T04:03:56.860553+00:00"},{"alias_kind":"pith_short_12","alias_value":"XEYCPHFLUUCT","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_16","alias_value":"XEYCPHFLUUCTZK2S","created_at":"2026-05-18T12:26:44.992195+00:00"},{"alias_kind":"pith_short_8","alias_value":"XEYCPHFL","created_at":"2026-05-18T12:26:44.992195+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/XEYCPHFLUUCTZK2SOX2OGQYNBQ","json":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ.json","graph_json":"https://pith.science/api/pith-number/XEYCPHFLUUCTZK2SOX2OGQYNBQ/graph.json","events_json":"https://pith.science/api/pith-number/XEYCPHFLUUCTZK2SOX2OGQYNBQ/events.json","paper":"https://pith.science/paper/XEYCPHFL"},"agent_actions":{"view_html":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ","download_json":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ.json","view_paper":"https://pith.science/paper/XEYCPHFL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.1223&json=true","fetch_graph":"https://pith.science/api/pith-number/XEYCPHFLUUCTZK2SOX2OGQYNBQ/graph.json","fetch_events":"https://pith.science/api/pith-number/XEYCPHFLUUCTZK2SOX2OGQYNBQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ/action/storage_attestation","attest_author":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ/action/author_attestation","sign_citation":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ/action/citation_signature","submit_replication":"https://pith.science/pith/XEYCPHFLUUCTZK2SOX2OGQYNBQ/action/replication_record"}},"created_at":"2026-05-18T04:03:56.860553+00:00","updated_at":"2026-05-18T04:03:56.860553+00:00"}