{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3QJVPTQ3SLRZUL6BW75MCKOFAE","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":"77c125a069e400f1ed8c037bf89be49e8fb21b343ef3daf98a4ad056485daee7","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-12-03T18:22:34Z","title_canon_sha256":"11d8cef720f589f460bfc135a4a52aefdf96d44a44dc9ac8be489d050381307f"},"schema_version":"1.0","source":{"id":"2012.02142","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.02142","created_at":"2026-07-05T03:37:10Z"},{"alias_kind":"arxiv_version","alias_value":"2012.02142v2","created_at":"2026-07-05T03:37:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.02142","created_at":"2026-07-05T03:37:10Z"},{"alias_kind":"pith_short_12","alias_value":"3QJVPTQ3SLRZ","created_at":"2026-07-05T03:37:10Z"},{"alias_kind":"pith_short_16","alias_value":"3QJVPTQ3SLRZUL6B","created_at":"2026-07-05T03:37:10Z"},{"alias_kind":"pith_short_8","alias_value":"3QJVPTQ3","created_at":"2026-07-05T03:37:10Z"}],"graph_snapshots":[{"event_id":"sha256:2afbe44b1ffe1ec0c97611c8bbab6d902b901b25a19573a6770400c738916983","target":"graph","created_at":"2026-07-05T03:37:10Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.02142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We point out kaon decays to multiple charged leptons as a novel probe of light dark particles $X$. Previously neglected channels, such as $K^+\\to \\pi^+ \\left(XX \\to 2(e^+e^-)\\right)$, $K_L\\to \\pi^0 \\left( XX \\to 2(e^+e^-)\\right)$, and $K_S\\to \\left(XX \\to 2(e^+e^-)\\right)$ may have very large rates, exceeding not only the Standard Model expectations but also possible backgrounds, such as Dalitz decays of neutral pions. We apply this idea to dark sector models where the production of dark Higgses or heavy neutral leptons leads to final states with several visible dark photons. We also investiga","authors_text":"Matheus Hostert, Maxim Pospelov","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-12-03T18:22:34Z","title":"Novel multi-lepton signatures of dark sectors in light meson decays"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.02142","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:b18b33367d3a4626d08207dd9e56f4ad088416949b01b26ac093314ac6fd0ab8","target":"record","created_at":"2026-07-05T03:37:10Z","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":"77c125a069e400f1ed8c037bf89be49e8fb21b343ef3daf98a4ad056485daee7","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2020-12-03T18:22:34Z","title_canon_sha256":"11d8cef720f589f460bfc135a4a52aefdf96d44a44dc9ac8be489d050381307f"},"schema_version":"1.0","source":{"id":"2012.02142","kind":"arxiv","version":2}},"canonical_sha256":"dc1357ce1b92e39a2fc1b7fac129c50119c597197e8071fbbe356506d595d905","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc1357ce1b92e39a2fc1b7fac129c50119c597197e8071fbbe356506d595d905","first_computed_at":"2026-07-05T03:37:10.691958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:37:10.691958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CT9u8m2puSy4jcmfUfE+LaCprAbP3Zh2cFE8rJE0ibwY7cDJ/abohVLcGNnlC09QhnPrXEUX/XDePPeIM8IkAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:37:10.692424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.02142","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b18b33367d3a4626d08207dd9e56f4ad088416949b01b26ac093314ac6fd0ab8","sha256:2afbe44b1ffe1ec0c97611c8bbab6d902b901b25a19573a6770400c738916983"],"state_sha256":"9268d18a7ff382a82fb9f8d45237c10149156b9d3df20059ea402b569cda5883"}