{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:6RLDWZJM7257M4N4V3Z62ZTMPZ","short_pith_number":"pith:6RLDWZJM","schema_version":"1.0","canonical_sha256":"f4563b652cfebbf671bcaef3ed666c7e72c4c26da9b449ee4601def2644e34ca","source":{"kind":"arxiv","id":"1710.07094","version":1},"attestation_state":"computed","paper":{"title":"$B \\rightarrow \\pi \\ell \\nu$ with M\\\"{o}bius Domain Wall Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Brian Colquhoun, Shoji Hashimoto, Takashi Kaneko","submitted_at":"2017-10-19T11:28:45Z","abstract_excerpt":"We report on the status of our calculation of the exclusive semileptonic decay, $B\\rightarrow \\pi \\ell \\nu$; a key process in the determination of the CKM matrix element $|V_{ub}|$. The M\\\"{o}bius domain wall action is used for both light and heavy quarks on gauge ensembles that include the effects of $2+1$ flavours of quarks in the sea at three values of the lattice spacing: $a\\approx 0.08~\\mathrm{fm}$, $a\\approx0.055~\\mathrm{fm}$, and $a\\approx0.044~\\mathrm{fm}$. Pion masses go down to $300~\\mathrm{MeV}$ while heavy quarks masses are as large as $2.44m_c$. We present preliminary results of f"},"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":"1710.07094","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-10-19T11:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"b283e3eb8bb15e966719c5106bc67feff976de5677e19fa67e1ac3b597d7df97","abstract_canon_sha256":"c8599b62d69b32e5c405f3ea7ff083b82b6f4f3f34dc2e16202683f177efe7f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:27.017549Z","signature_b64":"8LKEllwKjWYI6CNx77YanNZTOeBmbUsiyYvC9vQkSNw6qC33XLBMKeL/7yJBaoTBZYGUBwZRE85UF50XDGk9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4563b652cfebbf671bcaef3ed666c7e72c4c26da9b449ee4601def2644e34ca","last_reissued_at":"2026-05-18T00:32:27.016962Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:27.016962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$B \\rightarrow \\pi \\ell \\nu$ with M\\\"{o}bius Domain Wall Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"Brian Colquhoun, Shoji Hashimoto, Takashi Kaneko","submitted_at":"2017-10-19T11:28:45Z","abstract_excerpt":"We report on the status of our calculation of the exclusive semileptonic decay, $B\\rightarrow \\pi \\ell \\nu$; a key process in the determination of the CKM matrix element $|V_{ub}|$. The M\\\"{o}bius domain wall action is used for both light and heavy quarks on gauge ensembles that include the effects of $2+1$ flavours of quarks in the sea at three values of the lattice spacing: $a\\approx 0.08~\\mathrm{fm}$, $a\\approx0.055~\\mathrm{fm}$, and $a\\approx0.044~\\mathrm{fm}$. Pion masses go down to $300~\\mathrm{MeV}$ while heavy quarks masses are as large as $2.44m_c$. We present preliminary results of f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07094","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":"1710.07094","created_at":"2026-05-18T00:32:27.017041+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.07094v1","created_at":"2026-05-18T00:32:27.017041+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07094","created_at":"2026-05-18T00:32:27.017041+00:00"},{"alias_kind":"pith_short_12","alias_value":"6RLDWZJM7257","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_16","alias_value":"6RLDWZJM7257M4N4","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_8","alias_value":"6RLDWZJM","created_at":"2026-05-18T12:31:03.183658+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/6RLDWZJM7257M4N4V3Z62ZTMPZ","json":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ.json","graph_json":"https://pith.science/api/pith-number/6RLDWZJM7257M4N4V3Z62ZTMPZ/graph.json","events_json":"https://pith.science/api/pith-number/6RLDWZJM7257M4N4V3Z62ZTMPZ/events.json","paper":"https://pith.science/paper/6RLDWZJM"},"agent_actions":{"view_html":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ","download_json":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ.json","view_paper":"https://pith.science/paper/6RLDWZJM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.07094&json=true","fetch_graph":"https://pith.science/api/pith-number/6RLDWZJM7257M4N4V3Z62ZTMPZ/graph.json","fetch_events":"https://pith.science/api/pith-number/6RLDWZJM7257M4N4V3Z62ZTMPZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ/action/storage_attestation","attest_author":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ/action/author_attestation","sign_citation":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ/action/citation_signature","submit_replication":"https://pith.science/pith/6RLDWZJM7257M4N4V3Z62ZTMPZ/action/replication_record"}},"created_at":"2026-05-18T00:32:27.017041+00:00","updated_at":"2026-05-18T00:32:27.017041+00:00"}