{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:F6V3COTJI5MUIOWL2WGFXVTAH7","short_pith_number":"pith:F6V3COTJ","schema_version":"1.0","canonical_sha256":"2fabb13a694759443acbd58c5bd6603fd2a557f5a0526a449da1e3ca0edcb22f","source":{"kind":"arxiv","id":"1911.07329","version":1},"attestation_state":"computed","paper":{"title":"Ghost-free non-local $F(R)$ Gravity Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"S.D. Odintsov, Shin'ichi Nojiri, V.K. Oikonomou","submitted_at":"2019-11-17T20:24:05Z","abstract_excerpt":"In this work we shall study ghost-free non-local $F(R)$ gravity models. Firstly we shall demonstrate how the ghost degrees of freedom may occur in the non-local $F(R)$ gravity models, and accordingly we shall modify appropriately the gravitational action of non-local $F(R)$ gravity models in order to eliminate the ghosts. Also we shall investigate how the (anti-)de Sitter and the Minkowski spacetime cosmological solutions may arise in the theory, and we investigate when these solutions are stable. Moreover, we shall examine the inflationary phenomenology of the Jordan frame ghost-free non-loca"},"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":"1911.07329","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-11-17T20:24:05Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"f67694e1b797771b092fba383c9b301d7d405bb6381c1c0785b9db706c8f1be2","abstract_canon_sha256":"71b4f31455d1a7a1b2adde672b6407dacc4fa5719e3e1e8f37a48939ed01d4c8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:19:45.624583Z","signature_b64":"soYEJyingWTOZ+TH9jPRY9DwIdctP4GTanwPKfG/K67/cXXGu81UQkVNHeULtvlY7I6rJuGJsjQ+xFrMCqZyBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fabb13a694759443acbd58c5bd6603fd2a557f5a0526a449da1e3ca0edcb22f","last_reissued_at":"2026-07-05T00:19:45.624138Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:19:45.624138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ghost-free non-local $F(R)$ Gravity Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"S.D. Odintsov, Shin'ichi Nojiri, V.K. Oikonomou","submitted_at":"2019-11-17T20:24:05Z","abstract_excerpt":"In this work we shall study ghost-free non-local $F(R)$ gravity models. Firstly we shall demonstrate how the ghost degrees of freedom may occur in the non-local $F(R)$ gravity models, and accordingly we shall modify appropriately the gravitational action of non-local $F(R)$ gravity models in order to eliminate the ghosts. Also we shall investigate how the (anti-)de Sitter and the Minkowski spacetime cosmological solutions may arise in the theory, and we investigate when these solutions are stable. Moreover, we shall examine the inflationary phenomenology of the Jordan frame ghost-free non-loca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.07329","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.07329/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1911.07329","created_at":"2026-07-05T00:19:45.624193+00:00"},{"alias_kind":"arxiv_version","alias_value":"1911.07329v1","created_at":"2026-07-05T00:19:45.624193+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.07329","created_at":"2026-07-05T00:19:45.624193+00:00"},{"alias_kind":"pith_short_12","alias_value":"F6V3COTJI5MU","created_at":"2026-07-05T00:19:45.624193+00:00"},{"alias_kind":"pith_short_16","alias_value":"F6V3COTJI5MUIOWL","created_at":"2026-07-05T00:19:45.624193+00:00"},{"alias_kind":"pith_short_8","alias_value":"F6V3COTJ","created_at":"2026-07-05T00:19:45.624193+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.13629","citing_title":"Non-locality in Quadrupolar Gravitational Radiation","ref_index":16,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7","json":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7.json","graph_json":"https://pith.science/api/pith-number/F6V3COTJI5MUIOWL2WGFXVTAH7/graph.json","events_json":"https://pith.science/api/pith-number/F6V3COTJI5MUIOWL2WGFXVTAH7/events.json","paper":"https://pith.science/paper/F6V3COTJ"},"agent_actions":{"view_html":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7","download_json":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7.json","view_paper":"https://pith.science/paper/F6V3COTJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1911.07329&json=true","fetch_graph":"https://pith.science/api/pith-number/F6V3COTJI5MUIOWL2WGFXVTAH7/graph.json","fetch_events":"https://pith.science/api/pith-number/F6V3COTJI5MUIOWL2WGFXVTAH7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7/action/storage_attestation","attest_author":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7/action/author_attestation","sign_citation":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7/action/citation_signature","submit_replication":"https://pith.science/pith/F6V3COTJI5MUIOWL2WGFXVTAH7/action/replication_record"}},"created_at":"2026-07-05T00:19:45.624193+00:00","updated_at":"2026-07-05T00:19:45.624193+00:00"}