{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:FPO7UQUUPXMF76QX2RX7TVMTQF","short_pith_number":"pith:FPO7UQUU","schema_version":"1.0","canonical_sha256":"2bddfa42947dd85ffa17d46ff9d593817b2eb4060a4178a4902bb1570418f0df","source":{"kind":"arxiv","id":"2507.20380","version":1},"attestation_state":"computed","paper":{"title":"Probing the elusive $\\kappa/K_0^*(700)$ resonance in semileptonic $D$ decays","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Wen-Juan Wei, Yan-Li Wang, Yu-Kuo Hsiao","submitted_at":"2025-07-27T18:48:56Z","abstract_excerpt":"The $\\kappa/K_0^*(700)$ meson remains the most elusive among the light scalar resonances, with its presence in weak decays obscured by limited precision in branching fraction measurements. As a result, the true nature of the $\\kappa$ remains difficult to explore. Through a partial-wave analysis of the semileptonic decay $D^+ \\to K^-\\pi^+ e^+ \\nu_e$, we extract ${\\cal B}(D^+ \\to \\bar\\kappa^0 e^+ \\nu_e, \\bar\\kappa^0 \\to K^-\\pi^+) =(2.2 \\pm 0.1) \\times 10^{-3}$. Previously considered negligible, this contribution is now shown to dominate the observed s-wave branching fraction. This reveals that c"},"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":"2507.20380","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2025-07-27T18:48:56Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a373955b88b74cb945c72f89ced9a87ee65afcd73cb6ab74c4bea14ea8d256c2","abstract_canon_sha256":"ef14927387846ea96012049f8a5e4ed086aa4f622d7d9c775c639addf98cea71"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:44:18.249589Z","signature_b64":"yCd0no8WLrpaOKRpqaErAvsZk24AXgUa125V3DG8mKIfsCdjRHCtA4wSFHaQnuGJQphOaiOtdiOdJxEFnVRoDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bddfa42947dd85ffa17d46ff9d593817b2eb4060a4178a4902bb1570418f0df","last_reissued_at":"2026-07-05T11:44:18.249116Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:44:18.249116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing the elusive $\\kappa/K_0^*(700)$ resonance in semileptonic $D$ decays","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Wen-Juan Wei, Yan-Li Wang, Yu-Kuo Hsiao","submitted_at":"2025-07-27T18:48:56Z","abstract_excerpt":"The $\\kappa/K_0^*(700)$ meson remains the most elusive among the light scalar resonances, with its presence in weak decays obscured by limited precision in branching fraction measurements. As a result, the true nature of the $\\kappa$ remains difficult to explore. Through a partial-wave analysis of the semileptonic decay $D^+ \\to K^-\\pi^+ e^+ \\nu_e$, we extract ${\\cal B}(D^+ \\to \\bar\\kappa^0 e^+ \\nu_e, \\bar\\kappa^0 \\to K^-\\pi^+) =(2.2 \\pm 0.1) \\times 10^{-3}$. Previously considered negligible, this contribution is now shown to dominate the observed s-wave branching fraction. This reveals that c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.20380","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/2507.20380/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":"2507.20380","created_at":"2026-07-05T11:44:18.249173+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.20380v1","created_at":"2026-07-05T11:44:18.249173+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.20380","created_at":"2026-07-05T11:44:18.249173+00:00"},{"alias_kind":"pith_short_12","alias_value":"FPO7UQUUPXMF","created_at":"2026-07-05T11:44:18.249173+00:00"},{"alias_kind":"pith_short_16","alias_value":"FPO7UQUUPXMF76QX","created_at":"2026-07-05T11:44:18.249173+00:00"},{"alias_kind":"pith_short_8","alias_value":"FPO7UQUU","created_at":"2026-07-05T11:44:18.249173+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/FPO7UQUUPXMF76QX2RX7TVMTQF","json":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF.json","graph_json":"https://pith.science/api/pith-number/FPO7UQUUPXMF76QX2RX7TVMTQF/graph.json","events_json":"https://pith.science/api/pith-number/FPO7UQUUPXMF76QX2RX7TVMTQF/events.json","paper":"https://pith.science/paper/FPO7UQUU"},"agent_actions":{"view_html":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF","download_json":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF.json","view_paper":"https://pith.science/paper/FPO7UQUU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.20380&json=true","fetch_graph":"https://pith.science/api/pith-number/FPO7UQUUPXMF76QX2RX7TVMTQF/graph.json","fetch_events":"https://pith.science/api/pith-number/FPO7UQUUPXMF76QX2RX7TVMTQF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF/action/storage_attestation","attest_author":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF/action/author_attestation","sign_citation":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF/action/citation_signature","submit_replication":"https://pith.science/pith/FPO7UQUUPXMF76QX2RX7TVMTQF/action/replication_record"}},"created_at":"2026-07-05T11:44:18.249173+00:00","updated_at":"2026-07-05T11:44:18.249173+00:00"}