{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:D7KJAHJZTBLI4N7GYD5AX3CYNK","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":"b1111404351eba05f49d4df3c0edcea7479ae1d80e3cd109b4721a36271206be","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-30T14:28:13Z","title_canon_sha256":"97522f3e17d27c4e574b958a3684ccdef6835e9f6a4b4eca0e97cfd6b10a2435"},"schema_version":"1.0","source":{"id":"1203.6828","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.6828","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"arxiv_version","alias_value":"1203.6828v2","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.6828","created_at":"2026-05-18T03:29:51Z"},{"alias_kind":"pith_short_12","alias_value":"D7KJAHJZTBLI","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"D7KJAHJZTBLI4N7G","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"D7KJAHJZ","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:a896b43c175f6628d609490dbba7fe5ba0779a342ac4bb2984fcecce38f0f135","target":"graph","created_at":"2026-05-18T03:29:51Z","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":"It is shown that the tension between recent neutrino oscillation experiments, favoring sterile neutrinos with masses of the order of 1 eV, and cosmological data which impose stringent constraints on neutrino masses from the free streaming suppression of density fluctuations, can be resolved in models of the present accelerated expansion of the Universe based on f(R) gravity.","authors_text":"Alexei A. Starobinsky, Hayato Motohashi, Jun'ichi Yokoyama","cross_cats":["hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-30T14:28:13Z","title":"Cosmology Based on f(R) Gravity Admits 1 eV Sterile Neutrinos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.6828","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":"sha256:8e23e6c0c09f679eb15a06a3a094724b0595bca7a0ec0fb4e1b649c9a4cc9514","target":"record","created_at":"2026-05-18T03:29:51Z","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":"b1111404351eba05f49d4df3c0edcea7479ae1d80e3cd109b4721a36271206be","cross_cats_sorted":["hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-03-30T14:28:13Z","title_canon_sha256":"97522f3e17d27c4e574b958a3684ccdef6835e9f6a4b4eca0e97cfd6b10a2435"},"schema_version":"1.0","source":{"id":"1203.6828","kind":"arxiv","version":2}},"canonical_sha256":"1fd4901d3998568e37e6c0fa0bec586a80f8edd38c4b6a27c813c286c712516d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fd4901d3998568e37e6c0fa0bec586a80f8edd38c4b6a27c813c286c712516d","first_computed_at":"2026-05-18T03:29:51.197257Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:29:51.197257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IuvHWRcqlhy6UrSwvehjRav9jI0LPF1kvK8xWJVVlwJ/OiYobFXWIiLxyqPkd20rrip3KUIudTJtL9PiJyZiCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:29:51.197870Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.6828","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e23e6c0c09f679eb15a06a3a094724b0595bca7a0ec0fb4e1b649c9a4cc9514","sha256:a896b43c175f6628d609490dbba7fe5ba0779a342ac4bb2984fcecce38f0f135"],"state_sha256":"982b9d7bcc7d63de69bf5aebe6436a49441d1b4d919c1a5da8d424fb1eb4f4e9"}