{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OH2RRXF4BOITJDYZL2AQZFUWGF","short_pith_number":"pith:OH2RRXF4","schema_version":"1.0","canonical_sha256":"71f518dcbc0b91348f195e810c969631536e461b9dd62b7a95fcce4a818383d3","source":{"kind":"arxiv","id":"1802.09339","version":3},"attestation_state":"computed","paper":{"title":"The QCD axion beyond the classical level: A lattice study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th","nucl-th"],"primary_cat":"hep-lat","authors_text":"G. Schierholz, Y. Nakamura","submitted_at":"2018-02-26T14:46:15Z","abstract_excerpt":"The axion is a hypothetical elementary particle postulated by the Peccei-Quinn theory to resolve the strong CP problem in QCD. If axions exist and have low mass, they are a candidate for dark matter as well. So far our knowledge of the properties of the QCD axion rests on semi-classical arguments and effective theory. In this work we perform, for the first time, a fully dynamical investigation of the Peccei-Quinn theory, focussing on the axion mass, by simulating the theory on the lattice. The results of the simulation are found to be in conflict with present axion phenomenology."},"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":"1802.09339","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2018-02-26T14:46:15Z","cross_cats_sorted":["hep-ph","hep-th","nucl-th"],"title_canon_sha256":"3daefd891891fd48122ba0073d469bdbd1d78f277433481909a50df4e002a973","abstract_canon_sha256":"98be3e51dca3cddc6afe8f527a120469fe7deeed272e73a1eefbed60a73b2992"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:34.210753Z","signature_b64":"fa1oly2hzqR4+412yhPSe82sNIERoFe1GvGL5VctfKgGMyR9t9miaRxUyQi1w2QzimjpUWQUDM2w60Uc08RrBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"71f518dcbc0b91348f195e810c969631536e461b9dd62b7a95fcce4a818383d3","last_reissued_at":"2026-05-17T23:50:34.210038Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:34.210038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The QCD axion beyond the classical level: A lattice study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th","nucl-th"],"primary_cat":"hep-lat","authors_text":"G. Schierholz, Y. Nakamura","submitted_at":"2018-02-26T14:46:15Z","abstract_excerpt":"The axion is a hypothetical elementary particle postulated by the Peccei-Quinn theory to resolve the strong CP problem in QCD. If axions exist and have low mass, they are a candidate for dark matter as well. So far our knowledge of the properties of the QCD axion rests on semi-classical arguments and effective theory. In this work we perform, for the first time, a fully dynamical investigation of the Peccei-Quinn theory, focussing on the axion mass, by simulating the theory on the lattice. The results of the simulation are found to be in conflict with present axion phenomenology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.09339","kind":"arxiv","version":3},"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":"1802.09339","created_at":"2026-05-17T23:50:34.210156+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.09339v3","created_at":"2026-05-17T23:50:34.210156+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.09339","created_at":"2026-05-17T23:50:34.210156+00:00"},{"alias_kind":"pith_short_12","alias_value":"OH2RRXF4BOIT","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OH2RRXF4BOITJDYZ","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OH2RRXF4","created_at":"2026-05-18T12:32:43.782077+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/OH2RRXF4BOITJDYZL2AQZFUWGF","json":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF.json","graph_json":"https://pith.science/api/pith-number/OH2RRXF4BOITJDYZL2AQZFUWGF/graph.json","events_json":"https://pith.science/api/pith-number/OH2RRXF4BOITJDYZL2AQZFUWGF/events.json","paper":"https://pith.science/paper/OH2RRXF4"},"agent_actions":{"view_html":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF","download_json":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF.json","view_paper":"https://pith.science/paper/OH2RRXF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.09339&json=true","fetch_graph":"https://pith.science/api/pith-number/OH2RRXF4BOITJDYZL2AQZFUWGF/graph.json","fetch_events":"https://pith.science/api/pith-number/OH2RRXF4BOITJDYZL2AQZFUWGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF/action/storage_attestation","attest_author":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF/action/author_attestation","sign_citation":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF/action/citation_signature","submit_replication":"https://pith.science/pith/OH2RRXF4BOITJDYZL2AQZFUWGF/action/replication_record"}},"created_at":"2026-05-17T23:50:34.210156+00:00","updated_at":"2026-05-17T23:50:34.210156+00:00"}