{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:6SSWPFEMG6K54INC5I3E75SO4Q","short_pith_number":"pith:6SSWPFEM","schema_version":"1.0","canonical_sha256":"f4a567948c3795de21a2ea364ff64ee412be65418da4b55550e21465af355891","source":{"kind":"arxiv","id":"1903.09471","version":2},"attestation_state":"computed","paper":{"title":"Lattice calculation of the pion transition form factor with $N_f=2+1$ Wilson quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Andreas Nyffeler, Antoine G\\'erardin, Harvey B. Meyer","submitted_at":"2019-03-22T12:32:43Z","abstract_excerpt":"We present a lattice QCD calculation of the double-virtual neutral pion transition form factor, with the goal to cover the kinematic range relevant to hadronic light-by-light scattering in the muon $g-2$. Several improvements have been made compared to our previous work. First, we take into account the effects of the strange quark by using the $N_f=2+1$ CLS gauge ensembles. Secondly, we have implemented the on-shell $\\mathcal{O}(a)$-improvement of the vector current to reduce the discretization effects associated with Wilson quarks. Finally, in order to have access to a wider range of photon v"},"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":"1903.09471","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2019-03-22T12:32:43Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c6286b5296c80dbc262c41db38a79f6061715a9d667e42a828f311a732cffbe0","abstract_canon_sha256":"3ed5e709b8c7fa152e5c885a68e0650111fb92554bbcab3da0558c0918db434b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:07:06.714289Z","signature_b64":"9ThvGBAbUsjv+3654PmcVG/k6+u3KO6rqLpkG2qiq6n0Yep1HcuAG++JBa6sRnsR8DXZyFYbNALzi5L1A90IAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4a567948c3795de21a2ea364ff64ee412be65418da4b55550e21465af355891","last_reissued_at":"2026-07-05T00:07:06.713826Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:07:06.713826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lattice calculation of the pion transition form factor with $N_f=2+1$ Wilson quarks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Andreas Nyffeler, Antoine G\\'erardin, Harvey B. Meyer","submitted_at":"2019-03-22T12:32:43Z","abstract_excerpt":"We present a lattice QCD calculation of the double-virtual neutral pion transition form factor, with the goal to cover the kinematic range relevant to hadronic light-by-light scattering in the muon $g-2$. Several improvements have been made compared to our previous work. First, we take into account the effects of the strange quark by using the $N_f=2+1$ CLS gauge ensembles. Secondly, we have implemented the on-shell $\\mathcal{O}(a)$-improvement of the vector current to reduce the discretization effects associated with Wilson quarks. Finally, in order to have access to a wider range of photon v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09471","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1903.09471/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":"1903.09471","created_at":"2026-07-05T00:07:06.713884+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.09471v2","created_at":"2026-07-05T00:07:06.713884+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09471","created_at":"2026-07-05T00:07:06.713884+00:00"},{"alias_kind":"pith_short_12","alias_value":"6SSWPFEMG6K5","created_at":"2026-07-05T00:07:06.713884+00:00"},{"alias_kind":"pith_short_16","alias_value":"6SSWPFEMG6K54INC","created_at":"2026-07-05T00:07:06.713884+00:00"},{"alias_kind":"pith_short_8","alias_value":"6SSWPFEM","created_at":"2026-07-05T00:07:06.713884+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":7,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.26752","citing_title":"Global analysis of a minimally extended scotogenic model","ref_index":54,"is_internal_anchor":false},{"citing_arxiv_id":"2606.11181","citing_title":"Combined Analysis of Lattice QCD and Experimental Data on the Pion Transition Form Factor","ref_index":42,"is_internal_anchor":false},{"citing_arxiv_id":"2606.26752","citing_title":"Global analysis of a minimally extended scotogenic model","ref_index":54,"is_internal_anchor":false},{"citing_arxiv_id":"2006.04822","citing_title":"The anomalous magnetic moment of the muon in the Standard Model","ref_index":22,"is_internal_anchor":false},{"citing_arxiv_id":"2510.18564","citing_title":"The Muonic Portal to Vector Dark Matter:connecting precision muon physics, cosmology, and colliders","ref_index":28,"is_internal_anchor":false},{"citing_arxiv_id":"2509.08115","citing_title":"Field-theoretic versus data-driven evaluations of electromagnetic corrections to hadronic vacuum polarization in $(g-2)_\\mu$","ref_index":72,"is_internal_anchor":false},{"citing_arxiv_id":"2604.25004","citing_title":"Muon $g$$-$2: correlation-induced uncertainties in precision data combinations","ref_index":103,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q","json":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q.json","graph_json":"https://pith.science/api/pith-number/6SSWPFEMG6K54INC5I3E75SO4Q/graph.json","events_json":"https://pith.science/api/pith-number/6SSWPFEMG6K54INC5I3E75SO4Q/events.json","paper":"https://pith.science/paper/6SSWPFEM"},"agent_actions":{"view_html":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q","download_json":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q.json","view_paper":"https://pith.science/paper/6SSWPFEM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.09471&json=true","fetch_graph":"https://pith.science/api/pith-number/6SSWPFEMG6K54INC5I3E75SO4Q/graph.json","fetch_events":"https://pith.science/api/pith-number/6SSWPFEMG6K54INC5I3E75SO4Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q/action/storage_attestation","attest_author":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q/action/author_attestation","sign_citation":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q/action/citation_signature","submit_replication":"https://pith.science/pith/6SSWPFEMG6K54INC5I3E75SO4Q/action/replication_record"}},"created_at":"2026-07-05T00:07:06.713884+00:00","updated_at":"2026-07-05T00:07:06.713884+00:00"}