{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:NX2IFD2DTGOQUVUBOZAL67UVB7","short_pith_number":"pith:NX2IFD2D","schema_version":"1.0","canonical_sha256":"6df4828f43999d0a56817640bf7e950ff27d26ba514707d8793d8f0c0be52c37","source":{"kind":"arxiv","id":"1512.06746","version":2},"attestation_state":"computed","paper":{"title":"Axion phenomenology and $\\theta$-dependence from $N_f = 2+1$ lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Claudio Bonati, Francesco Negro, Francesco Sanfilippo, Giovanni Villadoro, Guido Martinelli, Marco Mariti, Massimo D'Elia, Michele Mesiti","submitted_at":"2015-12-21T18:29:47Z","abstract_excerpt":"We investigate the topological properties of $N_f = 2+1$ QCD with physical quark masses, both at zero and finite temperature. We adopt stout improved staggered fermions and explore a range of lattice spacings $a \\sim 0.05 - 0.12$ fm. At zero temperature we estimate both finite size and finite cut-off effects, comparing our continuum extrapolated results for the topological susceptibility $\\chi$ with predictions from chiral perturbation theory. At finite temperature, we explore a region going from $T_c$ up to around $4\\, T_c$, where we provide continuum extrapolated results for the topological "},"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":"1512.06746","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2015-12-21T18:29:47Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"beb36a899762f36b5208653e1a97707faa0a8c1d6220fc40d881e8be62fb634f","abstract_canon_sha256":"68f9df6f41209bbdd10c8ae7784a6ecf81453d8c2266e4f7f394fcb9124b3a51"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:17.925750Z","signature_b64":"W5Mvr2S78jkzsrNldAAQ417vdfiudva6Cg0h6xS4Jc1nCHCs6TILGVq6MHnuRYUd1eMIO2v+F7xd+gwkqMb/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6df4828f43999d0a56817640bf7e950ff27d26ba514707d8793d8f0c0be52c37","last_reissued_at":"2026-05-18T01:17:17.925051Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:17.925051Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Axion phenomenology and $\\theta$-dependence from $N_f = 2+1$ lattice QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-lat","authors_text":"Claudio Bonati, Francesco Negro, Francesco Sanfilippo, Giovanni Villadoro, Guido Martinelli, Marco Mariti, Massimo D'Elia, Michele Mesiti","submitted_at":"2015-12-21T18:29:47Z","abstract_excerpt":"We investigate the topological properties of $N_f = 2+1$ QCD with physical quark masses, both at zero and finite temperature. We adopt stout improved staggered fermions and explore a range of lattice spacings $a \\sim 0.05 - 0.12$ fm. At zero temperature we estimate both finite size and finite cut-off effects, comparing our continuum extrapolated results for the topological susceptibility $\\chi$ with predictions from chiral perturbation theory. At finite temperature, we explore a region going from $T_c$ up to around $4\\, T_c$, where we provide continuum extrapolated results for the topological "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.06746","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":"1512.06746","created_at":"2026-05-18T01:17:17.925150+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.06746v2","created_at":"2026-05-18T01:17:17.925150+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.06746","created_at":"2026-05-18T01:17:17.925150+00:00"},{"alias_kind":"pith_short_12","alias_value":"NX2IFD2DTGOQ","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_16","alias_value":"NX2IFD2DTGOQUVUB","created_at":"2026-05-18T12:29:34.919912+00:00"},{"alias_kind":"pith_short_8","alias_value":"NX2IFD2D","created_at":"2026-05-18T12:29:34.919912+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2510.25704","citing_title":"Scaling flow-based approaches for topology sampling in $\\mathrm{SU}(3)$ gauge theory","ref_index":129,"is_internal_anchor":true},{"citing_arxiv_id":"2003.01100","citing_title":"The landscape of QCD axion models","ref_index":166,"is_internal_anchor":true},{"citing_arxiv_id":"2604.20780","citing_title":"Probing QCD instantons using jet correlation observables in proton-proton collisions at the LHC","ref_index":29,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7","json":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7.json","graph_json":"https://pith.science/api/pith-number/NX2IFD2DTGOQUVUBOZAL67UVB7/graph.json","events_json":"https://pith.science/api/pith-number/NX2IFD2DTGOQUVUBOZAL67UVB7/events.json","paper":"https://pith.science/paper/NX2IFD2D"},"agent_actions":{"view_html":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7","download_json":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7.json","view_paper":"https://pith.science/paper/NX2IFD2D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.06746&json=true","fetch_graph":"https://pith.science/api/pith-number/NX2IFD2DTGOQUVUBOZAL67UVB7/graph.json","fetch_events":"https://pith.science/api/pith-number/NX2IFD2DTGOQUVUBOZAL67UVB7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7/action/storage_attestation","attest_author":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7/action/author_attestation","sign_citation":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7/action/citation_signature","submit_replication":"https://pith.science/pith/NX2IFD2DTGOQUVUBOZAL67UVB7/action/replication_record"}},"created_at":"2026-05-18T01:17:17.925150+00:00","updated_at":"2026-05-18T01:17:17.925150+00:00"}