{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:MEXVGDS7RKWYZADHM3I2AUE24Q","short_pith_number":"pith:MEXVGDS7","schema_version":"1.0","canonical_sha256":"612f530e5f8aad8c806766d1a0509ae424a618506f184259a692df4f3f0c891d","source":{"kind":"arxiv","id":"hep-ex/9904020","version":1},"attestation_state":"computed","paper":{"title":"Search for proton decay through p->\\bar{\\nu} K^+ in a large water Cherenkov detector","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et.al, M. Earl, Super-Kamiokande Collaboration: Y. Hayato","submitted_at":"1999-04-21T04:10:31Z","abstract_excerpt":"We present results of a search for proton decays, $p \\to \\bar{\\nu} K^+$, using data from a 33 kton$\\cdot$year exposure of the Super-Kamiokande detector. Two decay modes of the kaon, $K^+ \\to \\mu^+ \\nu_{\\mu}$ and $K^+ \\to \\pi^+ \\pi^0$, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton $\\tau / B(p \\to \\bar{\\nu} K^+)$ was found to be $6.7 \\times 10^{32}$ years at 90% confidence level."},"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":"hep-ex/9904020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"1999-04-21T04:10:31Z","cross_cats_sorted":[],"title_canon_sha256":"f66705cf378f2033aa4ae63117e7cf88c1dab6e9ff968ac3053a9a7c28a7e46a","abstract_canon_sha256":"20606810a88b76a81e1436b33034dcd6a1c92a40dad368a08d38a14a412619dc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:21.140668Z","signature_b64":"FKpZ4UVlFT4tqCf5/spRI4aNTwTjEc7Kp2dNOM/k0jRdJxqRQIVw5rgb3l2ROgGVu7F6aoIAuPWwFMIgf+DfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"612f530e5f8aad8c806766d1a0509ae424a618506f184259a692df4f3f0c891d","last_reissued_at":"2026-05-18T03:47:21.140088Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:21.140088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for proton decay through p->\\bar{\\nu} K^+ in a large water Cherenkov detector","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et.al, M. Earl, Super-Kamiokande Collaboration: Y. Hayato","submitted_at":"1999-04-21T04:10:31Z","abstract_excerpt":"We present results of a search for proton decays, $p \\to \\bar{\\nu} K^+$, using data from a 33 kton$\\cdot$year exposure of the Super-Kamiokande detector. Two decay modes of the kaon, $K^+ \\to \\mu^+ \\nu_{\\mu}$ and $K^+ \\to \\pi^+ \\pi^0$, were studied. The data were consistent with the background expected from atmospheric neutrinos; therefore a lower limit on the partial lifetime of the proton $\\tau / B(p \\to \\bar{\\nu} K^+)$ was found to be $6.7 \\times 10^{32}$ years at 90% confidence level."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/9904020","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":"hep-ex/9904020","created_at":"2026-05-18T03:47:21.140174+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/9904020v1","created_at":"2026-05-18T03:47:21.140174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/9904020","created_at":"2026-05-18T03:47:21.140174+00:00"},{"alias_kind":"pith_short_12","alias_value":"MEXVGDS7RKWY","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"MEXVGDS7RKWYZADH","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"MEXVGDS7","created_at":"2026-05-18T12:25:49.631198+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/MEXVGDS7RKWYZADHM3I2AUE24Q","json":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q.json","graph_json":"https://pith.science/api/pith-number/MEXVGDS7RKWYZADHM3I2AUE24Q/graph.json","events_json":"https://pith.science/api/pith-number/MEXVGDS7RKWYZADHM3I2AUE24Q/events.json","paper":"https://pith.science/paper/MEXVGDS7"},"agent_actions":{"view_html":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q","download_json":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q.json","view_paper":"https://pith.science/paper/MEXVGDS7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/9904020&json=true","fetch_graph":"https://pith.science/api/pith-number/MEXVGDS7RKWYZADHM3I2AUE24Q/graph.json","fetch_events":"https://pith.science/api/pith-number/MEXVGDS7RKWYZADHM3I2AUE24Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q/action/storage_attestation","attest_author":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q/action/author_attestation","sign_citation":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q/action/citation_signature","submit_replication":"https://pith.science/pith/MEXVGDS7RKWYZADHM3I2AUE24Q/action/replication_record"}},"created_at":"2026-05-18T03:47:21.140174+00:00","updated_at":"2026-05-18T03:47:21.140174+00:00"}