{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:3IPVKUXXV2WOBHNCPECETDZDAA","short_pith_number":"pith:3IPVKUXX","canonical_record":{"source":{"id":"1510.00243","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-01T14:07:20Z","cross_cats_sorted":[],"title_canon_sha256":"7cc6ba116cf75f916403356d722c893b60312d061d52ad40c72fc53dbc8a0afe","abstract_canon_sha256":"603fd05dac74d641de1d5e3ebfd7bd4b4490564494d340e3695d8a6de62d0905"},"schema_version":"1.0"},"canonical_sha256":"da1f5552f7aeace09da27904498f230006d18cb8b359c108e0684094cba4b1ad","source":{"kind":"arxiv","id":"1510.00243","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00243","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00243v2","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00243","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"pith_short_12","alias_value":"3IPVKUXXV2WO","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3IPVKUXXV2WOBHNC","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3IPVKUXX","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:3IPVKUXXV2WOBHNCPECETDZDAA","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00243","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-01T14:07:20Z","cross_cats_sorted":[],"title_canon_sha256":"7cc6ba116cf75f916403356d722c893b60312d061d52ad40c72fc53dbc8a0afe","abstract_canon_sha256":"603fd05dac74d641de1d5e3ebfd7bd4b4490564494d340e3695d8a6de62d0905"},"schema_version":"1.0"},"canonical_sha256":"da1f5552f7aeace09da27904498f230006d18cb8b359c108e0684094cba4b1ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:11.349878Z","signature_b64":"moIs6qTL4M1jIN1gUQWfOt4A0Fouj8K2Zha9QgFiodS7QumX5sZ3JRQwekAT+DFH+shV26KTIpp0xPEzlFDlCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da1f5552f7aeace09da27904498f230006d18cb8b359c108e0684094cba4b1ad","last_reissued_at":"2026-05-18T01:21:11.349204Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:11.349204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00243","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":"2026-05-18T01:21:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LqH12GapycDpfseqXCn6MMQ7H/3b/dyYe1+5Nkv0TkIjak27MmubtmfruDgwSjJqp0IjTmqHzPsc0oivkhZmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:34:08.477452Z"},"content_sha256":"ae17e02823b1d40f564f77955b31f57d71187b58b60fe8141ade5bcd83b693ac","schema_version":"1.0","event_id":"sha256:ae17e02823b1d40f564f77955b31f57d71187b58b60fe8141ade5bcd83b693ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:3IPVKUXXV2WOBHNCPECETDZDAA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exotic see-saw mechanism for neutrinos and leptogenesis in a Pati-Salam model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andrea Addazi, Giulia Ricciardi, Massimo Bianchi","submitted_at":"2015-10-01T14:07:20Z","abstract_excerpt":"We discuss non-perturbative corrections to the neutrino sector, in the context of a D-brane Pati-Salam-like model, that can be obtained as a simple alternative to $SO(10)$ GUT's in theories with open and unoriented strings. In such D-brane models, exotic stringy instantons can correct the right-handed neutrino mass matrix in a calculable way, thus affecting mass hierarchies and modifying the see-saw mechanism to what we name exotic see-saw. For a wide range of parameters, a compact spectrum of right-handed neutrino masses can occur that gives rise to a predictive scenario for low energy observ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00243","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":"2026-05-18T01:21:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YrJYHxFV+aok0zEUJVKpYllhwDAUK5uJkOBtPVEZIF0kNG4B0VdvB9X45WNNPlej0q5tfFayPqOm5KFLl4eTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:34:08.478051Z"},"content_sha256":"4a6f0a1eee91eee723f9edae586125a7f4f288d8d4198c762595f17d7c2a0022","schema_version":"1.0","event_id":"sha256:4a6f0a1eee91eee723f9edae586125a7f4f288d8d4198c762595f17d7c2a0022"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3IPVKUXXV2WOBHNCPECETDZDAA/bundle.json","state_url":"https://pith.science/pith/3IPVKUXXV2WOBHNCPECETDZDAA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3IPVKUXXV2WOBHNCPECETDZDAA/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":"2026-05-27T00:34:08Z","links":{"resolver":"https://pith.science/pith/3IPVKUXXV2WOBHNCPECETDZDAA","bundle":"https://pith.science/pith/3IPVKUXXV2WOBHNCPECETDZDAA/bundle.json","state":"https://pith.science/pith/3IPVKUXXV2WOBHNCPECETDZDAA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3IPVKUXXV2WOBHNCPECETDZDAA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:3IPVKUXXV2WOBHNCPECETDZDAA","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":"603fd05dac74d641de1d5e3ebfd7bd4b4490564494d340e3695d8a6de62d0905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-01T14:07:20Z","title_canon_sha256":"7cc6ba116cf75f916403356d722c893b60312d061d52ad40c72fc53dbc8a0afe"},"schema_version":"1.0","source":{"id":"1510.00243","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00243","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00243v2","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00243","created_at":"2026-05-18T01:21:11Z"},{"alias_kind":"pith_short_12","alias_value":"3IPVKUXXV2WO","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"3IPVKUXXV2WOBHNC","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"3IPVKUXX","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:4a6f0a1eee91eee723f9edae586125a7f4f288d8d4198c762595f17d7c2a0022","target":"graph","created_at":"2026-05-18T01:21:11Z","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 discuss non-perturbative corrections to the neutrino sector, in the context of a D-brane Pati-Salam-like model, that can be obtained as a simple alternative to $SO(10)$ GUT's in theories with open and unoriented strings. In such D-brane models, exotic stringy instantons can correct the right-handed neutrino mass matrix in a calculable way, thus affecting mass hierarchies and modifying the see-saw mechanism to what we name exotic see-saw. For a wide range of parameters, a compact spectrum of right-handed neutrino masses can occur that gives rise to a predictive scenario for low energy observ","authors_text":"Andrea Addazi, Giulia Ricciardi, Massimo Bianchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-01T14:07:20Z","title":"Exotic see-saw mechanism for neutrinos and leptogenesis in a Pati-Salam model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00243","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:ae17e02823b1d40f564f77955b31f57d71187b58b60fe8141ade5bcd83b693ac","target":"record","created_at":"2026-05-18T01:21:11Z","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":"603fd05dac74d641de1d5e3ebfd7bd4b4490564494d340e3695d8a6de62d0905","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-10-01T14:07:20Z","title_canon_sha256":"7cc6ba116cf75f916403356d722c893b60312d061d52ad40c72fc53dbc8a0afe"},"schema_version":"1.0","source":{"id":"1510.00243","kind":"arxiv","version":2}},"canonical_sha256":"da1f5552f7aeace09da27904498f230006d18cb8b359c108e0684094cba4b1ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da1f5552f7aeace09da27904498f230006d18cb8b359c108e0684094cba4b1ad","first_computed_at":"2026-05-18T01:21:11.349204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:11.349204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"moIs6qTL4M1jIN1gUQWfOt4A0Fouj8K2Zha9QgFiodS7QumX5sZ3JRQwekAT+DFH+shV26KTIpp0xPEzlFDlCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:11.349878Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00243","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae17e02823b1d40f564f77955b31f57d71187b58b60fe8141ade5bcd83b693ac","sha256:4a6f0a1eee91eee723f9edae586125a7f4f288d8d4198c762595f17d7c2a0022"],"state_sha256":"af06f018cc2cd12dbd0f307d49122a4e3ba3c703912b310de07d08f4da0a43bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6VAZWez5yxRomV53ahrha3brR1a+AU/ODmcxcVr1V9thlmModg8K5Dum2be3AhzEh8/zFretgOEB0sJm8G/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:34:08.481532Z","bundle_sha256":"8dc55867b70c096cfd48db25a620ed3505391d7577100bc92c2f8d4072d9e9af"}}