{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IYGQWCJJCTLSA3CCQG6OHLUZO5","short_pith_number":"pith:IYGQWCJJ","canonical_record":{"source":{"id":"1511.09256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-30T11:49:23Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3d0306d58adac84a36195ab630cfa144b121549263a8e94ab5d65c70a38f2716","abstract_canon_sha256":"5080fa4451c94a8c1d313ebf70cc2b80391b3325b93e12214775d88a1532f9a7"},"schema_version":"1.0"},"canonical_sha256":"460d0b092914d7206c4281bce3ae99776ad4e38a1cc743e028ee16d1e8cd723e","source":{"kind":"arxiv","id":"1511.09256","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09256","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09256v1","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09256","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"pith_short_12","alias_value":"IYGQWCJJCTLS","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IYGQWCJJCTLSA3CC","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IYGQWCJJ","created_at":"2026-05-18T12:29:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IYGQWCJJCTLSA3CCQG6OHLUZO5","target":"record","payload":{"canonical_record":{"source":{"id":"1511.09256","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-30T11:49:23Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3d0306d58adac84a36195ab630cfa144b121549263a8e94ab5d65c70a38f2716","abstract_canon_sha256":"5080fa4451c94a8c1d313ebf70cc2b80391b3325b93e12214775d88a1532f9a7"},"schema_version":"1.0"},"canonical_sha256":"460d0b092914d7206c4281bce3ae99776ad4e38a1cc743e028ee16d1e8cd723e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:30.471232Z","signature_b64":"dd4UTwdVVuNpCgnUaknftMFCOm3c1kgeF0d3K7LRGuYoe9797N60shEkqOZU4Gle3GoBLEYRDKIQ+05qA17KDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"460d0b092914d7206c4281bce3ae99776ad4e38a1cc743e028ee16d1e8cd723e","last_reissued_at":"2026-05-18T01:18:30.470698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:30.470698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.09256","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:18:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lPwhLmetIgEq2KcuBvXFm88iN9yRwMb0V9FkWU8pcxtP17iQPydiSVoovxpVgfHNhu8FYQcIO8v6SbrAQDZnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T07:48:23.684856Z"},"content_sha256":"704007ade51fce081b3221f58eb154357de9a509bd6e9f80523dc604f6a61b58","schema_version":"1.0","event_id":"sha256:704007ade51fce081b3221f58eb154357de9a509bd6e9f80523dc604f6a61b58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IYGQWCJJCTLSA3CCQG6OHLUZO5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Majorana neutrino mass structure induced by rigid instatons on toroidal orbifold","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"hep-ph","authors_text":"Shohei Uemura, Tatsuo Kobayashi, Yoshiyuki Tatsuta","submitted_at":"2015-11-30T11:49:23Z","abstract_excerpt":"We study effects of D-brane instantons wrapping rigid cycles on Z2*Z2' toroidal orbifold. We compute Majorana masses induced by rigid D-brane instantons and realize bimaximal mixing matrices in certain models. We can also derive more generic mass matrices in other models. The bimaximal mixing Majorana mass matrix has a possibility to explain observed mixing angles. We also compute the mu-term matrix among more than one pairs of Higgs fields induced by rigid D-brane instantons."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09256","kind":"arxiv","version":1},"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":"2026-05-18T01:18:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VYVkRT3rtN5ubeuPyonmDVJOsADAvVCDZbfCGIl40Oxu2ckA0XRNGsGiPzydAJ+f1fIJ0scpBV6Tr+dhMBNsBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T07:48:23.685379Z"},"content_sha256":"44214a04cfabc170cbea03138145d52decd2a5606a8b75db46296a0b32e145e0","schema_version":"1.0","event_id":"sha256:44214a04cfabc170cbea03138145d52decd2a5606a8b75db46296a0b32e145e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/bundle.json","state_url":"https://pith.science/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/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":"2026-08-20T07:48:23Z","links":{"resolver":"https://pith.science/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5","bundle":"https://pith.science/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/bundle.json","state":"https://pith.science/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IYGQWCJJCTLSA3CCQG6OHLUZO5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IYGQWCJJCTLSA3CCQG6OHLUZO5","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":"5080fa4451c94a8c1d313ebf70cc2b80391b3325b93e12214775d88a1532f9a7","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-30T11:49:23Z","title_canon_sha256":"3d0306d58adac84a36195ab630cfa144b121549263a8e94ab5d65c70a38f2716"},"schema_version":"1.0","source":{"id":"1511.09256","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.09256","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"arxiv_version","alias_value":"1511.09256v1","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.09256","created_at":"2026-05-18T01:18:30Z"},{"alias_kind":"pith_short_12","alias_value":"IYGQWCJJCTLS","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"IYGQWCJJCTLSA3CC","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"IYGQWCJJ","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:44214a04cfabc170cbea03138145d52decd2a5606a8b75db46296a0b32e145e0","target":"graph","created_at":"2026-05-18T01:18:30Z","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":"We study effects of D-brane instantons wrapping rigid cycles on Z2*Z2' toroidal orbifold. We compute Majorana masses induced by rigid D-brane instantons and realize bimaximal mixing matrices in certain models. We can also derive more generic mass matrices in other models. The bimaximal mixing Majorana mass matrix has a possibility to explain observed mixing angles. We also compute the mu-term matrix among more than one pairs of Higgs fields induced by rigid D-brane instantons.","authors_text":"Shohei Uemura, Tatsuo Kobayashi, Yoshiyuki Tatsuta","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-30T11:49:23Z","title":"Majorana neutrino mass structure induced by rigid instatons on toroidal orbifold"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.09256","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":"sha256:704007ade51fce081b3221f58eb154357de9a509bd6e9f80523dc604f6a61b58","target":"record","created_at":"2026-05-18T01:18:30Z","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":"5080fa4451c94a8c1d313ebf70cc2b80391b3325b93e12214775d88a1532f9a7","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-11-30T11:49:23Z","title_canon_sha256":"3d0306d58adac84a36195ab630cfa144b121549263a8e94ab5d65c70a38f2716"},"schema_version":"1.0","source":{"id":"1511.09256","kind":"arxiv","version":1}},"canonical_sha256":"460d0b092914d7206c4281bce3ae99776ad4e38a1cc743e028ee16d1e8cd723e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"460d0b092914d7206c4281bce3ae99776ad4e38a1cc743e028ee16d1e8cd723e","first_computed_at":"2026-05-18T01:18:30.470698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:30.470698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dd4UTwdVVuNpCgnUaknftMFCOm3c1kgeF0d3K7LRGuYoe9797N60shEkqOZU4Gle3GoBLEYRDKIQ+05qA17KDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:30.471232Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.09256","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:704007ade51fce081b3221f58eb154357de9a509bd6e9f80523dc604f6a61b58","sha256:44214a04cfabc170cbea03138145d52decd2a5606a8b75db46296a0b32e145e0"],"state_sha256":"fd2283710960700fef31ed944607c675831579b0059fddded9fc79f4baffb7c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eziG9+vnOmy4mDZsx6oma3pJnNUKVKzYhrRCg5a6Y+X7yQ4W8qTN8jWm8hMhFvRIgGGFKXDwB8E/mhp1Es1LCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T07:48:23.689410Z","bundle_sha256":"56a1e1e7dbbbac059269a9cf8f5602230f526a20eb2b65849f5bcc5da8d591d1"}}