{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ACSE73Y3ZTSITKVM7JIBKYV5FJ","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":"b95fc4c1e8747aa310bda85fda538f169748d2670d1782762e0e05739c00ee64","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-20T11:43:23Z","title_canon_sha256":"2ae9d000f7b81bcd9c73c59489127ec8eccd315492540da5d7b3e49b1cce8aea"},"schema_version":"1.0","source":{"id":"1112.4661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4661","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4661v1","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4661","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"pith_short_12","alias_value":"ACSE73Y3ZTSI","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ACSE73Y3ZTSITKVM","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ACSE73Y3","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:6c51766c12259bd563e582f43cd3e5f40ca59379d133a02249eeedfa0c63b30d","target":"graph","created_at":"2026-05-18T03:22:53Z","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":"Cosmological measurements are affected by the energy density of both active and sterile massive neutrinos. We extend here a recent analysis of current cosmological data to non minimal cosmologies. Several possible scenarios are examined: a constant w \\neq -1 dark energy equation of state, a non flat universe, a time varying dark energy component and coupled dark matter dark energy universes or modified gravity scenarios. When considering cosmological data only, (3+2) massive neutrino models with ~0.5 eV sterile species are allowed at 95% CL. This scenario has been shown to reconcile reactor, L","authors_text":"Alessandro Melchiorri, Elena Giusarma, Maria Archidiacono, Olga Mena, Roland de Putter","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-20T11:43:23Z","title":"Constraints on massive sterile plus active neutrino species in non minimal cosmologies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4661","kind":"arxiv","version":1},"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:b9ddc2e168d4419f65c88ee482a247f695ae09b22ae09fbd08495da460b60cf0","target":"record","created_at":"2026-05-18T03:22:53Z","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":"b95fc4c1e8747aa310bda85fda538f169748d2670d1782762e0e05739c00ee64","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-12-20T11:43:23Z","title_canon_sha256":"2ae9d000f7b81bcd9c73c59489127ec8eccd315492540da5d7b3e49b1cce8aea"},"schema_version":"1.0","source":{"id":"1112.4661","kind":"arxiv","version":1}},"canonical_sha256":"00a44fef1bcce489aaacfa501562bd2a77d410db2e469797d0420780ebf83449","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00a44fef1bcce489aaacfa501562bd2a77d410db2e469797d0420780ebf83449","first_computed_at":"2026-05-18T03:22:53.829769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:53.829769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4DRLNaHSKsn0Xsh25qkc/MTNxiH9Ah/8JKIQakdJolL+0DbYxKmkcoCYv7Sdw01tOlUXc1pj2xszd9nUUP21Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:53.830268Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9ddc2e168d4419f65c88ee482a247f695ae09b22ae09fbd08495da460b60cf0","sha256:6c51766c12259bd563e582f43cd3e5f40ca59379d133a02249eeedfa0c63b30d"],"state_sha256":"e349fa28749bac321a2ca97a445318e218d0dfa6e1efce65ac4c425e42a720fb"}