{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ST66AGXTKMOGWD3ZHQH3DMVM4G","short_pith_number":"pith:ST66AGXT","schema_version":"1.0","canonical_sha256":"94fde01af3531c6b0f793c0fb1b2ace1a6cb231d560e3b1669480b574c6b162d","source":{"kind":"arxiv","id":"1912.08321","version":1},"attestation_state":"computed","paper":{"title":"Lattice QCD Determination of $g_A$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex","nucl-th"],"primary_cat":"hep-lat","authors_text":"Amy Nicholson, Andr\\'e Walker-Loud, Arjun Gambhir, B\\'alint Jo\\'o, Chia Cheng Chang, Chris Bouchard, Christopher J. Monahan, David A. Brantley, Enrico Rinaldi, Evan Berkowitz, Henry Monge-Camacho, Kostas Orginos, M. A. Clark, Nicolas Garron, Pavlos Vranas, Thorsten Kurth","submitted_at":"2019-12-17T23:52:35Z","abstract_excerpt":"The nucleon axial coupling, $g_A$, is a fundamental property of protons and neutrons, dictating the strength with which the weak axial current of the Standard Model couples to nucleons, and hence, the lifetime of a free neutron. The prominence of $g_A$ in nuclear physics has made it a benchmark quantity with which to calibrate lattice QCD calculations of nucleon structure and more complex calculations of electroweak matrix elements in one and few nucleon systems. There were a number of significant challenges in determining $g_A$, notably the notorious exponentially-bad signal-to-noise problem "},"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":"1912.08321","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-12-17T23:52:35Z","cross_cats_sorted":["hep-ph","nucl-ex","nucl-th"],"title_canon_sha256":"a17c59078bfd8bd4f4b79bb5aa5e129ff69d7e0d20f390a76e3b9c9da41b7d9c","abstract_canon_sha256":"757da14cf4079aef3783c6dd894e539a7bae6570728ef0e23279c356850f5279"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:44:41.856498Z","signature_b64":"zu3j38FK7fmhxfeBBlf/tqv/0YVzibDwLO9xUrvZ1qEug8vOaLAwKS+rrL3FzH+PL0tUMjIi52B9I6mFBX73AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94fde01af3531c6b0f793c0fb1b2ace1a6cb231d560e3b1669480b574c6b162d","last_reissued_at":"2026-07-05T00:44:41.855969Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:44:41.855969Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lattice QCD Determination of $g_A$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex","nucl-th"],"primary_cat":"hep-lat","authors_text":"Amy Nicholson, Andr\\'e Walker-Loud, Arjun Gambhir, B\\'alint Jo\\'o, Chia Cheng Chang, Chris Bouchard, Christopher J. Monahan, David A. Brantley, Enrico Rinaldi, Evan Berkowitz, Henry Monge-Camacho, Kostas Orginos, M. A. Clark, Nicolas Garron, Pavlos Vranas, Thorsten Kurth","submitted_at":"2019-12-17T23:52:35Z","abstract_excerpt":"The nucleon axial coupling, $g_A$, is a fundamental property of protons and neutrons, dictating the strength with which the weak axial current of the Standard Model couples to nucleons, and hence, the lifetime of a free neutron. The prominence of $g_A$ in nuclear physics has made it a benchmark quantity with which to calibrate lattice QCD calculations of nucleon structure and more complex calculations of electroweak matrix elements in one and few nucleon systems. There were a number of significant challenges in determining $g_A$, notably the notorious exponentially-bad signal-to-noise problem "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.08321","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.08321/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1912.08321","created_at":"2026-07-05T00:44:41.856026+00:00"},{"alias_kind":"arxiv_version","alias_value":"1912.08321v1","created_at":"2026-07-05T00:44:41.856026+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.08321","created_at":"2026-07-05T00:44:41.856026+00:00"},{"alias_kind":"pith_short_12","alias_value":"ST66AGXTKMOG","created_at":"2026-07-05T00:44:41.856026+00:00"},{"alias_kind":"pith_short_16","alias_value":"ST66AGXTKMOGWD3Z","created_at":"2026-07-05T00:44:41.856026+00:00"},{"alias_kind":"pith_short_8","alias_value":"ST66AGXT","created_at":"2026-07-05T00:44:41.856026+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.27072","citing_title":"Performance of Low Mode Averaging on Twisted-Mass Fermion Ensembles at the physical pion mass point","ref_index":4,"is_internal_anchor":false},{"citing_arxiv_id":"2411.04268","citing_title":"FLAG Review 2024","ref_index":89,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02808","citing_title":"Third moments of nucleon unpolarized, polarized, and transversity parton distribution functions from physical-point lattice QCD","ref_index":16,"is_internal_anchor":false},{"citing_arxiv_id":"2604.16025","citing_title":"Scalar and Tensor Form Factors for $\\Lambda \\rightarrow p\\ell \\bar{\\nu}_\\ell$ from Lattice QCD","ref_index":14,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G","json":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G.json","graph_json":"https://pith.science/api/pith-number/ST66AGXTKMOGWD3ZHQH3DMVM4G/graph.json","events_json":"https://pith.science/api/pith-number/ST66AGXTKMOGWD3ZHQH3DMVM4G/events.json","paper":"https://pith.science/paper/ST66AGXT"},"agent_actions":{"view_html":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G","download_json":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G.json","view_paper":"https://pith.science/paper/ST66AGXT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1912.08321&json=true","fetch_graph":"https://pith.science/api/pith-number/ST66AGXTKMOGWD3ZHQH3DMVM4G/graph.json","fetch_events":"https://pith.science/api/pith-number/ST66AGXTKMOGWD3ZHQH3DMVM4G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G/action/storage_attestation","attest_author":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G/action/author_attestation","sign_citation":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G/action/citation_signature","submit_replication":"https://pith.science/pith/ST66AGXTKMOGWD3ZHQH3DMVM4G/action/replication_record"}},"created_at":"2026-07-05T00:44:41.856026+00:00","updated_at":"2026-07-05T00:44:41.856026+00:00"}