{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CRBICCTGBT77HMMXS6W3ADZY6D","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":"ff888eeea7dc85d253d470e139375b70b25e6aa6e557e9e06b2e40d10c7b5f86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-10T10:35:23Z","title_canon_sha256":"c2efd511c24e81bbfb9ba0b85b50db807025a47f3e23b281545271e0be974fd2"},"schema_version":"1.0","source":{"id":"1405.2416","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.2416","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1405.2416v1","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2416","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"CRBICCTGBT77","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CRBICCTGBT77HMMX","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CRBICCTG","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:bfac87509fd4d38cc2bb9f82cc7e2dd417d532cccd1fba310f3aad666d97085d","target":"graph","created_at":"2026-05-18T01:29:38Z","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":"A simple form of neutrino mass matrix which has only two free parameters is proposed from a phenomenological point of view. Using this mass matrix, we succeed to reproduce all the observed values for the MNS lepton mixing angles and the neutrino mass squared difference ratio. Our model also predicts $\\delta_{\\nu}= 155^\\circ$ for the Dirac CP violating phase in the lepton sector and the effective neutrino mass $\\langle m \\rangle=6.3\\times 10^{-3}$ eV in the neutrinoless double beta decay.","authors_text":"Hiroyuki Nishiura, Takeshi Fukuyama","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-10T10:35:23Z","title":"Simple neutrino mass matrix with only two free parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2416","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:c4a38e9ceb7290d94acfdc92cee6cee65d6ae211822035ff0db0e9e1906fc95a","target":"record","created_at":"2026-05-18T01:29:38Z","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":"ff888eeea7dc85d253d470e139375b70b25e6aa6e557e9e06b2e40d10c7b5f86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-05-10T10:35:23Z","title_canon_sha256":"c2efd511c24e81bbfb9ba0b85b50db807025a47f3e23b281545271e0be974fd2"},"schema_version":"1.0","source":{"id":"1405.2416","kind":"arxiv","version":1}},"canonical_sha256":"1442810a660cfff3b19797adb00f38f0c3ca8dc515ba77eccc3a7a271f76235e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1442810a660cfff3b19797adb00f38f0c3ca8dc515ba77eccc3a7a271f76235e","first_computed_at":"2026-05-18T01:29:38.592534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:38.592534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WuuaR8KQA0Xp148TemSLLprcc8MYsHaUF2mHFfnIgeaPEKRSquG7NPt5dGAqWZpckp/OJj5SgBZEdR0TEObyBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:38.593183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.2416","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4a38e9ceb7290d94acfdc92cee6cee65d6ae211822035ff0db0e9e1906fc95a","sha256:bfac87509fd4d38cc2bb9f82cc7e2dd417d532cccd1fba310f3aad666d97085d"],"state_sha256":"b57c4b91ddd93d9e22f7caef2de64caddd3f4d02a60ef1814054d3acaad382a7"}