{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3QJPJKQFDAFGXIPIAVN7TRVZZX","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"46f64b24af7baaa8b29cc4d147b5482395c1b779a354408ed2bea00cfae0c57d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2016-09-12T23:58:27Z","title_canon_sha256":"a19ada95efe346410ed7c2ae7904c56efbc3cb7bccad0f1d5b4e078e7b604191"},"schema_version":"1.0","source":{"id":"1609.03637","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.03637","created_at":"2026-05-18T00:46:20Z"},{"alias_kind":"arxiv_version","alias_value":"1609.03637v2","created_at":"2026-05-18T00:46:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03637","created_at":"2026-05-18T00:46:20Z"},{"alias_kind":"pith_short_12","alias_value":"3QJPJKQFDAFG","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3QJPJKQFDAFGXIPI","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3QJPJKQF","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:cc9e3edd07f09a2180e151b4dcc23247c0c2427bb518c7bf0e9b7987aeb1f0fb","target":"graph","created_at":"2026-05-18T00:46:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We searched for the $CP$-violating rare decay of neutral kaon, $K_{L} \\to \\pi^0 \\nu \\overline{\\nu}$, in data from the first 100 hours of physics running in 2013 of the J-PARC KOTO experiment. One candidate event was observed while $0.34\\pm0.16$ background events were expected. We set an upper limit of $5.1\\times10^{-8}$ for the branching fraction at the 90\\% confidence level (C.L.). An upper limit of $3.7\\times10^{-8}$ at the 90\\% C.L. for the $K_{L} \\to \\pi^{0} X^{0}$decay was also set for the first time, where $X^{0}$ is an invisible particle with a mass of 135 MeV/$c^{2}$.","authors_text":"A. S. Kurilin, B. Beckford, B. Brubaker, C. Carruth, C. Lin, D. Mcfarland, D. Naito, E. Iwai, E. J. Kim, G. H. Lee, G. Takahashi, G. Y. Lim, H. Haraguchi, H. Nanjo, H. Okuno, H. S. Lee, H. Watanabe, H. Yamauchi, H. Yokota, H. Yoshimoto, H. Y. Yoshida, I. Kamiji, I. Teo, J. Comfort, J. K. Ahn, J. K. Woo, J. Ma, J. Micallef, J. S. Son, J. Stevens, J. W. Ko, J. W. Lee, J. Xu, K. Miyazaki, K. Morgan, K. Nakagiri, K. Sato, K. Shiomi, K. Y. Baek, M. Campbell, M. Hutcheson, M. Isoe, M. Sasaki, M. Tecchio, M. Togawa, M. Yamaga, N. Kawasaki, N. Sasao, N. Whallon, R. Murayama, R. Ogata, S. Banno, S. Chu, S. H. Chen, S. K. Lee, S. Seki, S. Shinohara, S. Su, S. Suzuki, S. Yamamoto, T. Cai, T. Furukawa, T. Hineno, T. Inagaki, T. Kamibayashi, T. K. Komatsubara, T. Masuda, T. Matsumura, T. Nomura, T. Ota, T. Sato, T. Shimogawa, T. Shinkawa, T. Toyoda, T. Usuki, T. Yamanaka, Y. B. Hsiung, Y. C. Tung, Y. D. Ri, Y. J. Kim, Y. Maeda, Y. Nakajima, Y. Nakaya, Y. Odani, Y. Sugiyama, Y. Tajima, Y. Takashima, Y. T. Duh, Y. W. Wah, Y. Yanagida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2016-09-12T23:58:27Z","title":"A new search for the $K_{L} \\to \\pi^0 \\nu \\overline{\\nu}$ and $K_{L} \\to \\pi^{0} X^{0}$ decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03637","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2d60e4af26749d9e1c161591d445042c2a7f8f2426cb2ffd9e92d89b7e18f082","target":"record","created_at":"2026-05-18T00:46:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"46f64b24af7baaa8b29cc4d147b5482395c1b779a354408ed2bea00cfae0c57d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2016-09-12T23:58:27Z","title_canon_sha256":"a19ada95efe346410ed7c2ae7904c56efbc3cb7bccad0f1d5b4e078e7b604191"},"schema_version":"1.0","source":{"id":"1609.03637","kind":"arxiv","version":2}},"canonical_sha256":"dc12f4aa05180a6ba1e8055bf9c6b9cdebbba4edff96602790a905b12f332861","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc12f4aa05180a6ba1e8055bf9c6b9cdebbba4edff96602790a905b12f332861","first_computed_at":"2026-05-18T00:46:20.742116Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:20.742116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hIcufpTHxbTRlWZe1hKdLsDTOhCOqGtl4s/nFcuV2wmzdKsPHomczjj4NUDpGmunDI2njkL+gkh3d1S+vgy0Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:20.742596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.03637","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d60e4af26749d9e1c161591d445042c2a7f8f2426cb2ffd9e92d89b7e18f082","sha256:cc9e3edd07f09a2180e151b4dcc23247c0c2427bb518c7bf0e9b7987aeb1f0fb"],"state_sha256":"f8348963de32a5a7d822890185a43a5b64142a7d5ec9d644a4191f4abb7f7d8b"}