{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:Q5YHY2MSZ5XUP6WSJTHUKSSIT2","short_pith_number":"pith:Q5YHY2MS","schema_version":"1.0","canonical_sha256":"87707c6992cf6f47fad24ccf454a489eba60a97128b525edd8993b3c85ddc9e1","source":{"kind":"arxiv","id":"1512.07531","version":2},"attestation_state":"computed","paper":{"title":"Littlest Seesaw","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Stephen F. King","submitted_at":"2015-12-23T16:13:57Z","abstract_excerpt":"We propose the Littlest Seesaw (LS) model consisting of just two right-handed neutrinos, where one of them, dominantly responsible for the atmospheric neutrino mass, has couplings to $(\\nu_e,\\nu_{\\mu},\\nu_{\\tau})$ proportional to $(0,1,1)$, while the subdominant right-handed neutrino, mainly responsible for the solar neutrino mass, has couplings to $(\\nu_e,\\nu_{\\mu},\\nu_{\\tau})$ proportional to $(1,n,n-2)$. This constrained sequential dominance (CSD) model preserves the first column of the tri-bimaximal (TB) mixing matrix (TM1) and has a reactor angle $\\theta_{13} \\sim (n-1) \\frac{\\sqrt{2}}{3}"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1512.07531","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-23T16:13:57Z","cross_cats_sorted":[],"title_canon_sha256":"a28c40b7aa4ad870ec89d1fe5b8587c54decf65335a96982781122bfcf5b2cdc","abstract_canon_sha256":"6c0a86da03066226371890b84012408ad5f1db4d7067c464c8dabc810fe91f15"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:38.917175Z","signature_b64":"hUtIydUAKdzNf6G6xJbOsCEJYCnM5A5fQcQrlO9W0FOQSnHqJMJLCXnJX/K5/V3tFuETcnzymzk1YsT7vw1NCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87707c6992cf6f47fad24ccf454a489eba60a97128b525edd8993b3c85ddc9e1","last_reissued_at":"2026-05-18T01:18:38.916603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:38.916603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Littlest Seesaw","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Stephen F. King","submitted_at":"2015-12-23T16:13:57Z","abstract_excerpt":"We propose the Littlest Seesaw (LS) model consisting of just two right-handed neutrinos, where one of them, dominantly responsible for the atmospheric neutrino mass, has couplings to $(\\nu_e,\\nu_{\\mu},\\nu_{\\tau})$ proportional to $(0,1,1)$, while the subdominant right-handed neutrino, mainly responsible for the solar neutrino mass, has couplings to $(\\nu_e,\\nu_{\\mu},\\nu_{\\tau})$ proportional to $(1,n,n-2)$. This constrained sequential dominance (CSD) model preserves the first column of the tri-bimaximal (TB) mixing matrix (TM1) and has a reactor angle $\\theta_{13} \\sim (n-1) \\frac{\\sqrt{2}}{3}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07531","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1512.07531","created_at":"2026-05-18T01:18:38.916677+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.07531v2","created_at":"2026-05-18T01:18:38.916677+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07531","created_at":"2026-05-18T01:18:38.916677+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q5YHY2MSZ5XU","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q5YHY2MSZ5XUP6WS","created_at":"2026-05-18T12:29:37.295048+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q5YHY2MS","created_at":"2026-05-18T12:29:37.295048+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.28923","citing_title":"A Minimal Dark $SU(2)$ Origin of a Massless Dirac Neutrino","ref_index":76,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2","json":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2.json","graph_json":"https://pith.science/api/pith-number/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/graph.json","events_json":"https://pith.science/api/pith-number/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/events.json","paper":"https://pith.science/paper/Q5YHY2MS"},"agent_actions":{"view_html":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2","download_json":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2.json","view_paper":"https://pith.science/paper/Q5YHY2MS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.07531&json=true","fetch_graph":"https://pith.science/api/pith-number/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/graph.json","fetch_events":"https://pith.science/api/pith-number/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/action/storage_attestation","attest_author":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/action/author_attestation","sign_citation":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/action/citation_signature","submit_replication":"https://pith.science/pith/Q5YHY2MSZ5XUP6WSJTHUKSSIT2/action/replication_record"}},"created_at":"2026-05-18T01:18:38.916677+00:00","updated_at":"2026-05-18T01:18:38.916677+00:00"}