{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:PSCQL5XIDXPSP77H3PUU6Y57WV","short_pith_number":"pith:PSCQL5XI","schema_version":"1.0","canonical_sha256":"7c8505f6e81ddf27ffe7dbe94f63bfb57abedfc92e899cecbfd56b2d21051406","source":{"kind":"arxiv","id":"1612.02265","version":1},"attestation_state":"computed","paper":{"title":"Sea quark QED effects and twisted mass fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Giancarlo Rossi, Nazario Tantalo, Roberto Frezzotti","submitted_at":"2016-12-07T14:30:09Z","abstract_excerpt":"We show that maximally twisted mass fermions can be employed to regularize on the lattice the fully unquenched QCD+QED theory with vanishing $\\theta$-term. We discuss how the critical mass of the up and down quarks can be conveniently determined beyond the electroquenched approximation by imposing that certain symmetries of continuum QCD+QED, which are broken by Wilson terms, get restored in the continuum limit. A mixed action setup is outlined that allows to extend beyond the electroquenched approximation the computation (with only O($a^2$) artifacts) of the leading isospin breaking correctio"},"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":"1612.02265","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2016-12-07T14:30:09Z","cross_cats_sorted":[],"title_canon_sha256":"abf2ddffbc67a8dfc60c831d5349701e6f8b951db5417e0c4c6debcbdad57bf1","abstract_canon_sha256":"911b37e65ea81f73ba54865f993030bb3a9979a00e227bf036e271c2425bdcac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:35.025992Z","signature_b64":"swS2q5ZpaDRF303CD37rJ/iFWJI7qID4ZaA7aTyYcKtz6l1KoWHdUPyk6zFQ9OxT+Onw9AVLDysmxrsxPV8iDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c8505f6e81ddf27ffe7dbe94f63bfb57abedfc92e899cecbfd56b2d21051406","last_reissued_at":"2026-05-18T00:55:35.025538Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:35.025538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sea quark QED effects and twisted mass fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Giancarlo Rossi, Nazario Tantalo, Roberto Frezzotti","submitted_at":"2016-12-07T14:30:09Z","abstract_excerpt":"We show that maximally twisted mass fermions can be employed to regularize on the lattice the fully unquenched QCD+QED theory with vanishing $\\theta$-term. We discuss how the critical mass of the up and down quarks can be conveniently determined beyond the electroquenched approximation by imposing that certain symmetries of continuum QCD+QED, which are broken by Wilson terms, get restored in the continuum limit. A mixed action setup is outlined that allows to extend beyond the electroquenched approximation the computation (with only O($a^2$) artifacts) of the leading isospin breaking correctio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02265","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":"1612.02265","created_at":"2026-05-18T00:55:35.025605+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.02265v1","created_at":"2026-05-18T00:55:35.025605+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02265","created_at":"2026-05-18T00:55:35.025605+00:00"},{"alias_kind":"pith_short_12","alias_value":"PSCQL5XIDXPS","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"PSCQL5XIDXPSP77H","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"PSCQL5XI","created_at":"2026-05-18T12:30:39.010887+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/PSCQL5XIDXPSP77H3PUU6Y57WV","json":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV.json","graph_json":"https://pith.science/api/pith-number/PSCQL5XIDXPSP77H3PUU6Y57WV/graph.json","events_json":"https://pith.science/api/pith-number/PSCQL5XIDXPSP77H3PUU6Y57WV/events.json","paper":"https://pith.science/paper/PSCQL5XI"},"agent_actions":{"view_html":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV","download_json":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV.json","view_paper":"https://pith.science/paper/PSCQL5XI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.02265&json=true","fetch_graph":"https://pith.science/api/pith-number/PSCQL5XIDXPSP77H3PUU6Y57WV/graph.json","fetch_events":"https://pith.science/api/pith-number/PSCQL5XIDXPSP77H3PUU6Y57WV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV/action/storage_attestation","attest_author":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV/action/author_attestation","sign_citation":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV/action/citation_signature","submit_replication":"https://pith.science/pith/PSCQL5XIDXPSP77H3PUU6Y57WV/action/replication_record"}},"created_at":"2026-05-18T00:55:35.025605+00:00","updated_at":"2026-05-18T00:55:35.025605+00:00"}