{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:BOQ2MN3Q4XDNK4EQJU4PSZC746","short_pith_number":"pith:BOQ2MN3Q","canonical_record":{"source":{"id":"2208.04872","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-08-09T16:04:12Z","cross_cats_sorted":[],"title_canon_sha256":"5e7b94cf0d0bba7a65054a337b502cd0467c67c86abab1c2f035e71338b430da","abstract_canon_sha256":"33ef5313293a09e63955e57156d6a1fbf3e8ebce77509db801785d3c5726a81c"},"schema_version":"1.0"},"canonical_sha256":"0ba1a63770e5c6d570904d38f9645fe7b89f4c6972f810cf0eb3dad73cfe3bc6","source":{"kind":"arxiv","id":"2208.04872","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04872","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04872v4","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04872","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_12","alias_value":"BOQ2MN3Q4XDN","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_16","alias_value":"BOQ2MN3Q4XDNK4EQ","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_8","alias_value":"BOQ2MN3Q","created_at":"2026-07-05T05:35:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:BOQ2MN3Q4XDNK4EQJU4PSZC746","target":"record","payload":{"canonical_record":{"source":{"id":"2208.04872","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-08-09T16:04:12Z","cross_cats_sorted":[],"title_canon_sha256":"5e7b94cf0d0bba7a65054a337b502cd0467c67c86abab1c2f035e71338b430da","abstract_canon_sha256":"33ef5313293a09e63955e57156d6a1fbf3e8ebce77509db801785d3c5726a81c"},"schema_version":"1.0"},"canonical_sha256":"0ba1a63770e5c6d570904d38f9645fe7b89f4c6972f810cf0eb3dad73cfe3bc6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:35:18.625124Z","signature_b64":"NQGtPcfC5Q3Ti9CvhsuSsAIm7WAbn1j1h2A0R2zU8q7Lbyp9QtlUoIXirm5EQYLW97ID0hIgeY90tk5av32PDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ba1a63770e5c6d570904d38f9645fe7b89f4c6972f810cf0eb3dad73cfe3bc6","last_reissued_at":"2026-07-05T05:35:18.624602Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:35:18.624602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.04872","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:35:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xI7O1MllGxzxDtdrEWYOimMNnMG12qSNlPc85DlQCLQHpL0F791RUnYTjiiWeug/6DJIfhNN5gMRrsr/eZ8EBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:46:51.246781Z"},"content_sha256":"52b5bcca3ecb2f326704e5b02c6cdd5c7a6be4da60a88d3cd32dbeef81317898","schema_version":"1.0","event_id":"sha256:52b5bcca3ecb2f326704e5b02c6cdd5c7a6be4da60a88d3cd32dbeef81317898"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:BOQ2MN3Q4XDNK4EQJU4PSZC746","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of the $K_S \\to \\pi e \\nu$ branching fraction with the KLOE experiment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. De Santis, A. Di Cicco, A. Di Domenico, A. d'Uffizi, A. Gajos, A. Kupsc, A. Passeri, A. Selce, B. Cao, C. Bloise, D. Babusci, D. Domenici, E. Czerwi\\'nski, E. Dan\\`e, E. De Lucia, E. Diociaiuti, E. Graziani, E. Perez del Rio, E. P. Solodov, F. Bossi, F. Ceradini, F. Curciarello, F. Sirghi, G. D'Agostini, G. Fantini, G. Mandaglio, M. Berlowski, M. Martini, M. Schioppa, M. Silarski, M. Wolke, P. Branchini, P. Ciambrone, P. De Simone, P. Gauzzi, P. Moskal, R. D'Amico, S. Gamrat, S. Giovannella, S. Miscetti, V. De Leo, W. Wi\\'slicki, X. Kang","submitted_at":"2022-08-09T16:04:12Z","abstract_excerpt":"The branching fraction for the decay $K_S \\to \\pi e \\nu$ has been measured with a sample of 300 million $K_S$ mesons produced in $\\phi \\to K_L K_S$ decays recorded by the KLOE experiment at the DA$\\Phi$NE $e^+e^-$ collider. Signal decays are selected by a boosted decision tree built with kinematic variables and time-of-flight measurements. Data control samples of $K_L \\to \\pi e \\nu$ decays are used to evaluate signal selection efficiencies. A fit to the reconstructed electron mass distribution finds 49647$\\pm$316 signal events. Normalising to the $K_S \\to \\pi^+\\pi^-$ decay events the result fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04872","kind":"arxiv","version":4},"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/2208.04872/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:35:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wccR2lNr3qOzCI/oxPahrSlF+CN+B9+6aFZlslbBrBcVJOXlKG3L6DOUND7DmQAhW0ajlby6+EdFQihbPALyDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:46:51.247168Z"},"content_sha256":"10a5789f86edfd8efa6c8a92b5882a95cce5d6724e72ecb5f88260e1b0e81c23","schema_version":"1.0","event_id":"sha256:10a5789f86edfd8efa6c8a92b5882a95cce5d6724e72ecb5f88260e1b0e81c23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/bundle.json","state_url":"https://pith.science/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-07T03:46:51Z","links":{"resolver":"https://pith.science/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746","bundle":"https://pith.science/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/bundle.json","state":"https://pith.science/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOQ2MN3Q4XDNK4EQJU4PSZC746/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BOQ2MN3Q4XDNK4EQJU4PSZC746","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":"33ef5313293a09e63955e57156d6a1fbf3e8ebce77509db801785d3c5726a81c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-08-09T16:04:12Z","title_canon_sha256":"5e7b94cf0d0bba7a65054a337b502cd0467c67c86abab1c2f035e71338b430da"},"schema_version":"1.0","source":{"id":"2208.04872","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04872","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04872v4","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04872","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_12","alias_value":"BOQ2MN3Q4XDN","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_16","alias_value":"BOQ2MN3Q4XDNK4EQ","created_at":"2026-07-05T05:35:18Z"},{"alias_kind":"pith_short_8","alias_value":"BOQ2MN3Q","created_at":"2026-07-05T05:35:18Z"}],"graph_snapshots":[{"event_id":"sha256:10a5789f86edfd8efa6c8a92b5882a95cce5d6724e72ecb5f88260e1b0e81c23","target":"graph","created_at":"2026-07-05T05:35:18Z","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/2208.04872/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The branching fraction for the decay $K_S \\to \\pi e \\nu$ has been measured with a sample of 300 million $K_S$ mesons produced in $\\phi \\to K_L K_S$ decays recorded by the KLOE experiment at the DA$\\Phi$NE $e^+e^-$ collider. Signal decays are selected by a boosted decision tree built with kinematic variables and time-of-flight measurements. Data control samples of $K_L \\to \\pi e \\nu$ decays are used to evaluate signal selection efficiencies. A fit to the reconstructed electron mass distribution finds 49647$\\pm$316 signal events. Normalising to the $K_S \\to \\pi^+\\pi^-$ decay events the result fo","authors_text":"A. De Santis, A. Di Cicco, A. Di Domenico, A. d'Uffizi, A. Gajos, A. Kupsc, A. Passeri, A. Selce, B. Cao, C. Bloise, D. Babusci, D. Domenici, E. Czerwi\\'nski, E. Dan\\`e, E. De Lucia, E. Diociaiuti, E. Graziani, E. Perez del Rio, E. P. Solodov, F. Bossi, F. Ceradini, F. Curciarello, F. Sirghi, G. D'Agostini, G. Fantini, G. Mandaglio, M. Berlowski, M. Martini, M. Schioppa, M. Silarski, M. Wolke, P. Branchini, P. Ciambrone, P. De Simone, P. Gauzzi, P. Moskal, R. D'Amico, S. Gamrat, S. Giovannella, S. Miscetti, V. De Leo, W. Wi\\'slicki, X. Kang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-08-09T16:04:12Z","title":"Measurement of the $K_S \\to \\pi e \\nu$ branching fraction with the KLOE experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04872","kind":"arxiv","version":4},"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":"sha256:52b5bcca3ecb2f326704e5b02c6cdd5c7a6be4da60a88d3cd32dbeef81317898","target":"record","created_at":"2026-07-05T05:35:18Z","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":"33ef5313293a09e63955e57156d6a1fbf3e8ebce77509db801785d3c5726a81c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-08-09T16:04:12Z","title_canon_sha256":"5e7b94cf0d0bba7a65054a337b502cd0467c67c86abab1c2f035e71338b430da"},"schema_version":"1.0","source":{"id":"2208.04872","kind":"arxiv","version":4}},"canonical_sha256":"0ba1a63770e5c6d570904d38f9645fe7b89f4c6972f810cf0eb3dad73cfe3bc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ba1a63770e5c6d570904d38f9645fe7b89f4c6972f810cf0eb3dad73cfe3bc6","first_computed_at":"2026-07-05T05:35:18.624602Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:35:18.624602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NQGtPcfC5Q3Ti9CvhsuSsAIm7WAbn1j1h2A0R2zU8q7Lbyp9QtlUoIXirm5EQYLW97ID0hIgeY90tk5av32PDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:35:18.625124Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.04872","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52b5bcca3ecb2f326704e5b02c6cdd5c7a6be4da60a88d3cd32dbeef81317898","sha256:10a5789f86edfd8efa6c8a92b5882a95cce5d6724e72ecb5f88260e1b0e81c23"],"state_sha256":"360053a69e5c6d078c825054a0f5cef964439d65e2510bb92ed07f4cffe17268"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NEpKF6U//6JOy98XhUJ9i4cW/Gpsrb9q2yn9YuUIHUWNODlP0hoLqRTdYL0skc0Eqs7wpXv4t9rgWLMEfmIpDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:46:51.249268Z","bundle_sha256":"0afbcfa50382c96b2ec37059efe388c99ef7f5534cefd5a83370bb10b59171d5"}}