{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:PQA7DLCDMKJYKQOOYTO67OUIQZ","short_pith_number":"pith:PQA7DLCD","schema_version":"1.0","canonical_sha256":"7c01f1ac4362938541cec4ddefba888664db0bddcb9d82e6837476a6d47cad6d","source":{"kind":"arxiv","id":"hep-ph/0409276","version":1},"attestation_state":"computed","paper":{"title":"Why Are Neutrinos Light? -- An Alternative","license":"","headline":"","cross_cats":["astro-ph","hep-ex"],"primary_cat":"hep-ph","authors_text":"Lawrence J. Hall, Steven J. Oliver","submitted_at":"2004-09-23T17:10:53Z","abstract_excerpt":"We review the recent proposal that neutrinos are light because their masses are proportional to a low scale, f, of lepton flavor symmetry breaking. This mechanism is testable because the resulting pseudo-Goldstone bosons, of mass m_G, couple strongly with the neutrinos, affecting the acoustic oscillations during the eV era of the early universe that generate the peaks in the CMB radiation. Characteristic signals result over a very wide range of (f, m_G) because of a change in the total relativistic energy density and because the neutrinos scatter rather than free-stream. Thermodynamics allows "},"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":"hep-ph/0409276","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-09-23T17:10:53Z","cross_cats_sorted":["astro-ph","hep-ex"],"title_canon_sha256":"8e6d2be809710f4b711f5187e35b05ed409083d9d0b1d82b9b2cf7776349cc16","abstract_canon_sha256":"e534738c27e590cf26036bbf5b54d6f88fc29bec8af3e3edbe128b955cc4b34f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:36:20.888386Z","signature_b64":"8YZIwQjwhCj+ps85+NcWJJRc/dkSFAiswOujHpbd6GsD/VWMpSbH7GxYlicaDCPnhYmiUlwqdtWLuCKoSiclAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c01f1ac4362938541cec4ddefba888664db0bddcb9d82e6837476a6d47cad6d","last_reissued_at":"2026-05-18T02:36:20.887655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:36:20.887655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Why Are Neutrinos Light? -- An Alternative","license":"","headline":"","cross_cats":["astro-ph","hep-ex"],"primary_cat":"hep-ph","authors_text":"Lawrence J. Hall, Steven J. Oliver","submitted_at":"2004-09-23T17:10:53Z","abstract_excerpt":"We review the recent proposal that neutrinos are light because their masses are proportional to a low scale, f, of lepton flavor symmetry breaking. This mechanism is testable because the resulting pseudo-Goldstone bosons, of mass m_G, couple strongly with the neutrinos, affecting the acoustic oscillations during the eV era of the early universe that generate the peaks in the CMB radiation. Characteristic signals result over a very wide range of (f, m_G) because of a change in the total relativistic energy density and because the neutrinos scatter rather than free-stream. Thermodynamics allows "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0409276","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0409276","created_at":"2026-05-18T02:36:20.887751+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0409276v1","created_at":"2026-05-18T02:36:20.887751+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0409276","created_at":"2026-05-18T02:36:20.887751+00:00"},{"alias_kind":"pith_short_12","alias_value":"PQA7DLCDMKJY","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"PQA7DLCDMKJYKQOO","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"PQA7DLCD","created_at":"2026-05-18T12:25:52.687210+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ","json":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ.json","graph_json":"https://pith.science/api/pith-number/PQA7DLCDMKJYKQOOYTO67OUIQZ/graph.json","events_json":"https://pith.science/api/pith-number/PQA7DLCDMKJYKQOOYTO67OUIQZ/events.json","paper":"https://pith.science/paper/PQA7DLCD"},"agent_actions":{"view_html":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ","download_json":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ.json","view_paper":"https://pith.science/paper/PQA7DLCD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0409276&json=true","fetch_graph":"https://pith.science/api/pith-number/PQA7DLCDMKJYKQOOYTO67OUIQZ/graph.json","fetch_events":"https://pith.science/api/pith-number/PQA7DLCDMKJYKQOOYTO67OUIQZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ/action/storage_attestation","attest_author":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ/action/author_attestation","sign_citation":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ/action/citation_signature","submit_replication":"https://pith.science/pith/PQA7DLCDMKJYKQOOYTO67OUIQZ/action/replication_record"}},"created_at":"2026-05-18T02:36:20.887751+00:00","updated_at":"2026-05-18T02:36:20.887751+00:00"}