{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:QWXKU2BHOVOSEBT6SBVHPLDM5J","short_pith_number":"pith:QWXKU2BH","schema_version":"1.0","canonical_sha256":"85aeaa6827755d22067e906a77ac6cea71ef30165a383934c4a424f7a5889f4d","source":{"kind":"arxiv","id":"1601.04112","version":2},"attestation_state":"computed","paper":{"title":"The bounce universe history from unimodular $F(R)$ gravity","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, S. Nojiri, V.K. Oikonomou","submitted_at":"2016-01-16T01:54:03Z","abstract_excerpt":"In this paper we investigate how to realize various quite well known cosmological bouncing models in the context of the recently developed unimodular $F(R)$ gravity. Particularly, we shall study the matter bounce scenario, the singular bounce, the superbounce and a symmetric bounce scenario. We present the behavior of the Hubble radius for each of the bouncing models we shall take into account and we investigate which era of the bouncing model is responsible for the cosmological perturbations. As we shall demonstrate, the various bouncing models do not behave in the same way, so the cosmologic"},"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":"1601.04112","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-01-16T01:54:03Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"1332fab45c922736970d55352f1b7bb67ecd3cb55fa8dd8478688b40d8a2d1e5","abstract_canon_sha256":"83ecb77f81695915ee5a6d9b8c0c64775f4f1e08bc8ba84f9b545e5b3b0044db"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:42.957741Z","signature_b64":"ph6bn/+007gC79BvgEghy+Nfj7i8se2PjV0sNVgsVH4Sv6em0cEEnSyb6hxuxf+XLACJGTY4BtmPeuCN+dPhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85aeaa6827755d22067e906a77ac6cea71ef30165a383934c4a424f7a5889f4d","last_reissued_at":"2026-05-18T01:15:42.957126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:42.957126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The bounce universe history from unimodular $F(R)$ gravity","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, S. Nojiri, V.K. Oikonomou","submitted_at":"2016-01-16T01:54:03Z","abstract_excerpt":"In this paper we investigate how to realize various quite well known cosmological bouncing models in the context of the recently developed unimodular $F(R)$ gravity. Particularly, we shall study the matter bounce scenario, the singular bounce, the superbounce and a symmetric bounce scenario. We present the behavior of the Hubble radius for each of the bouncing models we shall take into account and we investigate which era of the bouncing model is responsible for the cosmological perturbations. As we shall demonstrate, the various bouncing models do not behave in the same way, so the cosmologic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04112","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":"1601.04112","created_at":"2026-05-18T01:15:42.957209+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.04112v2","created_at":"2026-05-18T01:15:42.957209+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04112","created_at":"2026-05-18T01:15:42.957209+00:00"},{"alias_kind":"pith_short_12","alias_value":"QWXKU2BHOVOS","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_16","alias_value":"QWXKU2BHOVOSEBT6","created_at":"2026-05-18T12:30:41.710351+00:00"},{"alias_kind":"pith_short_8","alias_value":"QWXKU2BH","created_at":"2026-05-18T12:30:41.710351+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1705.11098","citing_title":"Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution","ref_index":190,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J","json":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J.json","graph_json":"https://pith.science/api/pith-number/QWXKU2BHOVOSEBT6SBVHPLDM5J/graph.json","events_json":"https://pith.science/api/pith-number/QWXKU2BHOVOSEBT6SBVHPLDM5J/events.json","paper":"https://pith.science/paper/QWXKU2BH"},"agent_actions":{"view_html":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J","download_json":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J.json","view_paper":"https://pith.science/paper/QWXKU2BH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.04112&json=true","fetch_graph":"https://pith.science/api/pith-number/QWXKU2BHOVOSEBT6SBVHPLDM5J/graph.json","fetch_events":"https://pith.science/api/pith-number/QWXKU2BHOVOSEBT6SBVHPLDM5J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J/action/storage_attestation","attest_author":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J/action/author_attestation","sign_citation":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J/action/citation_signature","submit_replication":"https://pith.science/pith/QWXKU2BHOVOSEBT6SBVHPLDM5J/action/replication_record"}},"created_at":"2026-05-18T01:15:42.957209+00:00","updated_at":"2026-05-18T01:15:42.957209+00:00"}