{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZVGXPLJKBQD6QP7IUI63FPCKTN","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":"233ec0e9866b2515b0ae43abe851bd0b9ef97fa4a0e87da78a546b5becb5010a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-02-26T16:57:42Z","title_canon_sha256":"b7d49de2318367a4dbf95464a0ba2b40913fcd6661f4f7dc77574b11aeb702e7"},"schema_version":"1.0","source":{"id":"1902.10052","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10052","created_at":"2026-05-17T23:52:34Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10052v1","created_at":"2026-05-17T23:52:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10052","created_at":"2026-05-17T23:52:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZVGXPLJKBQD6","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"ZVGXPLJKBQD6QP7I","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"ZVGXPLJK","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:7af62f2ab25423b7f9821a552575ac51eb6d7a077f8fcc84799eeb806f69b3db","target":"graph","created_at":"2026-05-17T23:52:34Z","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":"First ideas of neutrino masses, mixing and oscillations proposed by Bruno Pontecorvo in 1957 and later development of these ideas are considered in some details. Original ideas of the two-neutrino mixing proposed by Maki, Nakagawa and Sakata in 1962 are also discussed.","authors_text":"S.M. Bilenky","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-02-26T16:57:42Z","title":"Prehistory of Neutrino Oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10052","kind":"arxiv","version":1},"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:ec779427d59815c1960a534976be0ccdc1520f931af1103dc37c5a47089c1db6","target":"record","created_at":"2026-05-17T23:52:34Z","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":"233ec0e9866b2515b0ae43abe851bd0b9ef97fa4a0e87da78a546b5becb5010a","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-02-26T16:57:42Z","title_canon_sha256":"b7d49de2318367a4dbf95464a0ba2b40913fcd6661f4f7dc77574b11aeb702e7"},"schema_version":"1.0","source":{"id":"1902.10052","kind":"arxiv","version":1}},"canonical_sha256":"cd4d77ad2a0c07e83fe8a23db2bc4a9b66cde26e2ed5270654bd1f16c739bca5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd4d77ad2a0c07e83fe8a23db2bc4a9b66cde26e2ed5270654bd1f16c739bca5","first_computed_at":"2026-05-17T23:52:34.792647Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:34.792647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jKn788WCvpnUEHAExbaISQY5SX2DmLXdyKWoxBhaEultNCvY9n4aI+aBGaw5ZXsUK4a/V+hX2YyyKaQBtJxcCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:34.793046Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.10052","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec779427d59815c1960a534976be0ccdc1520f931af1103dc37c5a47089c1db6","sha256:7af62f2ab25423b7f9821a552575ac51eb6d7a077f8fcc84799eeb806f69b3db"],"state_sha256":"810aa16e6623c0f9be7681d36ab64fa25832c7a9325ba631a9dc49005141ad38"}