{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:E42VVR3ESP77A6GA6ASGYPVGWH","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":"efa94432333a0761a8e19cbc319420aaa3f9a04ec004055700a0936f99ab2d63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-27T16:14:12Z","title_canon_sha256":"1367e6a5c8a4f8fafe2daaece8bb149c92693fd8ff76f4f5f944af6158c22adf"},"schema_version":"1.0","source":{"id":"1802.09997","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.09997","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1802.09997v2","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.09997","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"E42VVR3ESP77","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"E42VVR3ESP77A6GA","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"E42VVR3E","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:e55f848b8ab773176bd218104f11972a17398a9dd458c33af7819f391a32f536","target":"graph","created_at":"2026-05-17T23:52:07Z","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 consider an extension of the Standard Model by right-handed neutrinos and we argue that, under plausible assumptions, a neutrino mass of ${\\cal O}(0.1)\\,{\\rm eV}$ is naturally generated by the breaking of the lepton number at the Planck scale, possibly by gravitational effects, without the necessity of introducing new mass scales in the model. Some implications of this framework are also briefly discussed.","authors_text":"Alejandro Ibarra, Patrick Strobl, Takashi Toma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-27T16:14:12Z","title":"Neutrino masses from Planck-scale lepton number breaking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.09997","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":"sha256:9ca613336ab23b058a45516e7a811071238e5caaa600e9d18581ef32304ae001","target":"record","created_at":"2026-05-17T23:52:07Z","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":"efa94432333a0761a8e19cbc319420aaa3f9a04ec004055700a0936f99ab2d63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-27T16:14:12Z","title_canon_sha256":"1367e6a5c8a4f8fafe2daaece8bb149c92693fd8ff76f4f5f944af6158c22adf"},"schema_version":"1.0","source":{"id":"1802.09997","kind":"arxiv","version":2}},"canonical_sha256":"27355ac76493fff078c0f0246c3ea6b1ecbc1066d784637c0c2dce13f501225d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27355ac76493fff078c0f0246c3ea6b1ecbc1066d784637c0c2dce13f501225d","first_computed_at":"2026-05-17T23:52:07.983101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:07.983101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CY1zMyYeEykrQIJzdoTHD344eah2p1EECJ+ojxUIZXV6QglFaEa46+isV755LB1P7+zF+G1/JAVMP6y/Cv5MAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:07.983607Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.09997","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ca613336ab23b058a45516e7a811071238e5caaa600e9d18581ef32304ae001","sha256:e55f848b8ab773176bd218104f11972a17398a9dd458c33af7819f391a32f536"],"state_sha256":"3efbcd8f5e78051f7d4b0140012200d4ea169b6a2587ff8aecda224b71b1da36"}