{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WFJ572DU7KHR4GAHJRA2PN6H4T","short_pith_number":"pith:WFJ572DU","canonical_record":{"source":{"id":"1301.4312","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-18T07:37:07Z","cross_cats_sorted":[],"title_canon_sha256":"757254613f159d427e652f3dca9d198083d2601acf83cb0b8b12aaef93a4d7da","abstract_canon_sha256":"4346cbee4e9a962517b0ea6da93bdad3727ecb816a434a4ba2c8a0492f1b65e1"},"schema_version":"1.0"},"canonical_sha256":"b153dfe874fa8f1e18074c41a7b7c7e4fe98c14744d9cc9e2a023bb9465503bc","source":{"kind":"arxiv","id":"1301.4312","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.4312","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"arxiv_version","alias_value":"1301.4312v2","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.4312","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"pith_short_12","alias_value":"WFJ572DU7KHR","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WFJ572DU7KHR4GAH","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WFJ572DU","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WFJ572DU7KHR4GAHJRA2PN6H4T","target":"record","payload":{"canonical_record":{"source":{"id":"1301.4312","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-18T07:37:07Z","cross_cats_sorted":[],"title_canon_sha256":"757254613f159d427e652f3dca9d198083d2601acf83cb0b8b12aaef93a4d7da","abstract_canon_sha256":"4346cbee4e9a962517b0ea6da93bdad3727ecb816a434a4ba2c8a0492f1b65e1"},"schema_version":"1.0"},"canonical_sha256":"b153dfe874fa8f1e18074c41a7b7c7e4fe98c14744d9cc9e2a023bb9465503bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:05.945167Z","signature_b64":"4cr2msSWiSvdg8nmAivEQouXp1tSzQr3FtPiwgNKLYheR/Vcd02M0M8oULPnrOQy4J36tdmTJ48wvElVt8w7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b153dfe874fa8f1e18074c41a7b7c7e4fe98c14744d9cc9e2a023bb9465503bc","last_reissued_at":"2026-05-18T01:52:05.944723Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:05.944723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.4312","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:52:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDELfNKjkn4C90eagVP6BKzk3H/kZCFCQG2HzQi2ITFJokTF4sWoVlYJEeXK+4yf+/Q0bG4brNyNPMonScWuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:27:01.028604Z"},"content_sha256":"5e4688a492486ddf2c4fb396e69e879915907e0fbf07523bca41605f913293e3","schema_version":"1.0","event_id":"sha256:5e4688a492486ddf2c4fb396e69e879915907e0fbf07523bca41605f913293e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WFJ572DU7KHR4GAHJRA2PN6H4T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutrino Mass Matrix Model with a Bilinear Form","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Hiroyuki Nishiura, Yoshio Koide","submitted_at":"2013-01-18T07:37:07Z","abstract_excerpt":"A neutrino mass matrix model with a bilinear form $M_\\nu = k_\\nu (M_D M_R^{-1} M_D^T)^2$ is proposed within the framework of the so-called yukawaon model, which has been proposed for the purpose of a unified description of the lepton mixing matrix $U_{PMNS}$ and the quark mixing matrix $V_{CKM}$. The model has only two adjustable parameters for the PMNS mixing and neutrino mass atios. (Other parameters are fixed from the observed quark and charged lepton mass ratios and the CKM mixing.) The model gives reasonable values $\\sin^2 2\\theta_{12} \\simeq 0.85$ and $\\sin^2 2\\theta_{23} \\sim 1$ and $\\s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.4312","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:52:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Nmk7y3egMKxGZ+4rutFvk96XUj1GJOc2OmevfIJvYtHyjxx9CdcBP7xjvBdEc3PgXEz4y4jQhfkc0vnicqfDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:27:01.029232Z"},"content_sha256":"02659e4fbe9ccf29864dfe097baf3c7e9805e373db6a2f8cf5cc9a23294ec14e","schema_version":"1.0","event_id":"sha256:02659e4fbe9ccf29864dfe097baf3c7e9805e373db6a2f8cf5cc9a23294ec14e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/bundle.json","state_url":"https://pith.science/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/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":"2026-06-06T19:27:01Z","links":{"resolver":"https://pith.science/pith/WFJ572DU7KHR4GAHJRA2PN6H4T","bundle":"https://pith.science/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/bundle.json","state":"https://pith.science/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WFJ572DU7KHR4GAHJRA2PN6H4T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WFJ572DU7KHR4GAHJRA2PN6H4T","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":"4346cbee4e9a962517b0ea6da93bdad3727ecb816a434a4ba2c8a0492f1b65e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-18T07:37:07Z","title_canon_sha256":"757254613f159d427e652f3dca9d198083d2601acf83cb0b8b12aaef93a4d7da"},"schema_version":"1.0","source":{"id":"1301.4312","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.4312","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"arxiv_version","alias_value":"1301.4312v2","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.4312","created_at":"2026-05-18T01:52:05Z"},{"alias_kind":"pith_short_12","alias_value":"WFJ572DU7KHR","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WFJ572DU7KHR4GAH","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WFJ572DU","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:02659e4fbe9ccf29864dfe097baf3c7e9805e373db6a2f8cf5cc9a23294ec14e","target":"graph","created_at":"2026-05-18T01:52:05Z","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 neutrino mass matrix model with a bilinear form $M_\\nu = k_\\nu (M_D M_R^{-1} M_D^T)^2$ is proposed within the framework of the so-called yukawaon model, which has been proposed for the purpose of a unified description of the lepton mixing matrix $U_{PMNS}$ and the quark mixing matrix $V_{CKM}$. The model has only two adjustable parameters for the PMNS mixing and neutrino mass atios. (Other parameters are fixed from the observed quark and charged lepton mass ratios and the CKM mixing.) The model gives reasonable values $\\sin^2 2\\theta_{12} \\simeq 0.85$ and $\\sin^2 2\\theta_{23} \\sim 1$ and $\\s","authors_text":"Hiroyuki Nishiura, Yoshio Koide","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-18T07:37:07Z","title":"Neutrino Mass Matrix Model with a Bilinear Form"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.4312","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":"sha256:5e4688a492486ddf2c4fb396e69e879915907e0fbf07523bca41605f913293e3","target":"record","created_at":"2026-05-18T01:52:05Z","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":"4346cbee4e9a962517b0ea6da93bdad3727ecb816a434a4ba2c8a0492f1b65e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-01-18T07:37:07Z","title_canon_sha256":"757254613f159d427e652f3dca9d198083d2601acf83cb0b8b12aaef93a4d7da"},"schema_version":"1.0","source":{"id":"1301.4312","kind":"arxiv","version":2}},"canonical_sha256":"b153dfe874fa8f1e18074c41a7b7c7e4fe98c14744d9cc9e2a023bb9465503bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b153dfe874fa8f1e18074c41a7b7c7e4fe98c14744d9cc9e2a023bb9465503bc","first_computed_at":"2026-05-18T01:52:05.944723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:05.944723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4cr2msSWiSvdg8nmAivEQouXp1tSzQr3FtPiwgNKLYheR/Vcd02M0M8oULPnrOQy4J36tdmTJ48wvElVt8w7CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:05.945167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.4312","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e4688a492486ddf2c4fb396e69e879915907e0fbf07523bca41605f913293e3","sha256:02659e4fbe9ccf29864dfe097baf3c7e9805e373db6a2f8cf5cc9a23294ec14e"],"state_sha256":"f7ce866cfc6c15b783b7c63a9e2036fa46dbf48ef5e9e9c0c71700a844e56879"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5GSVxP6T7IV35qNerlUJQF2MZZiG/s8bYOG1BUnPpJ1dEByxBqz1vYc28rkVY9HcPY5iKF42ERVpIN3r2Py9Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:27:01.032383Z","bundle_sha256":"d9c31016e20ecf533fd429daf1ae4852c14ea502d7035abfb8fc10fcc512d09f"}}