{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:EKAPJEOIDUHT44S4SPFYRIPFBN","short_pith_number":"pith:EKAPJEOI","schema_version":"1.0","canonical_sha256":"2280f491c81d0f3e725c93cb88a1e50b5510dd239969be37b7030d465ab6ce0a","source":{"kind":"arxiv","id":"2409.01040","version":1},"attestation_state":"computed","paper":{"title":"Bouncing cosmologies and stability analysis in symmetric teleparallel $f(Q)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"M. Koussour, N. Myrzakulov","submitted_at":"2024-09-02T08:18:34Z","abstract_excerpt":"This paper is devoted to examining cosmological bouncing scenarios in the framework of the recently proposed symmetric teleparallel gravity (or $f(Q)$ gravity), where the non-metricity scalar $Q$ represents the gravitational interaction. We assume an $f(Q)$ model in the form of $f(Q)=\\alpha Q^n$, where $\\alpha$ and $n$ are free model parameters. To obtain a bouncing universe, we consider a special form of the scale factor $a(t)$ in terms of cosmic time, specifically $a(t) = (1+\\lambda t^2)^{1/3}$, where $\\lambda$ is an arbitrary constant. We derive the field equations for the flat FLRW univers"},"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":"2409.01040","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-09-02T08:18:34Z","cross_cats_sorted":[],"title_canon_sha256":"b42dc2c9e520b537b4ed00ecaa7962fbb5807551185e0eb856928508dd8bbca7","abstract_canon_sha256":"54f9e3ab44c6df7662eb701d5dd39db3c098041c6a508c1dd007c170d08f1f18"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:07:02.887408Z","signature_b64":"DGW8WAQT5M1uuCiIbZJH3XN+W7oULm9Tf2WCKlt5asXgrw8sNrwQfRLWtiLFs5SVCnzUVb4ZkQ+IRtWuIdazAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2280f491c81d0f3e725c93cb88a1e50b5510dd239969be37b7030d465ab6ce0a","last_reissued_at":"2026-07-05T09:07:02.886989Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:07:02.886989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bouncing cosmologies and stability analysis in symmetric teleparallel $f(Q)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"M. Koussour, N. Myrzakulov","submitted_at":"2024-09-02T08:18:34Z","abstract_excerpt":"This paper is devoted to examining cosmological bouncing scenarios in the framework of the recently proposed symmetric teleparallel gravity (or $f(Q)$ gravity), where the non-metricity scalar $Q$ represents the gravitational interaction. We assume an $f(Q)$ model in the form of $f(Q)=\\alpha Q^n$, where $\\alpha$ and $n$ are free model parameters. To obtain a bouncing universe, we consider a special form of the scale factor $a(t)$ in terms of cosmic time, specifically $a(t) = (1+\\lambda t^2)^{1/3}$, where $\\lambda$ is an arbitrary constant. We derive the field equations for the flat FLRW univers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.01040","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/2409.01040/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":"2409.01040","created_at":"2026-07-05T09:07:02.887045+00:00"},{"alias_kind":"arxiv_version","alias_value":"2409.01040v1","created_at":"2026-07-05T09:07:02.887045+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.01040","created_at":"2026-07-05T09:07:02.887045+00:00"},{"alias_kind":"pith_short_12","alias_value":"EKAPJEOIDUHT","created_at":"2026-07-05T09:07:02.887045+00:00"},{"alias_kind":"pith_short_16","alias_value":"EKAPJEOIDUHT44S4","created_at":"2026-07-05T09:07:02.887045+00:00"},{"alias_kind":"pith_short_8","alias_value":"EKAPJEOI","created_at":"2026-07-05T09:07:02.887045+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/EKAPJEOIDUHT44S4SPFYRIPFBN","json":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN.json","graph_json":"https://pith.science/api/pith-number/EKAPJEOIDUHT44S4SPFYRIPFBN/graph.json","events_json":"https://pith.science/api/pith-number/EKAPJEOIDUHT44S4SPFYRIPFBN/events.json","paper":"https://pith.science/paper/EKAPJEOI"},"agent_actions":{"view_html":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN","download_json":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN.json","view_paper":"https://pith.science/paper/EKAPJEOI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2409.01040&json=true","fetch_graph":"https://pith.science/api/pith-number/EKAPJEOIDUHT44S4SPFYRIPFBN/graph.json","fetch_events":"https://pith.science/api/pith-number/EKAPJEOIDUHT44S4SPFYRIPFBN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN/action/storage_attestation","attest_author":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN/action/author_attestation","sign_citation":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN/action/citation_signature","submit_replication":"https://pith.science/pith/EKAPJEOIDUHT44S4SPFYRIPFBN/action/replication_record"}},"created_at":"2026-07-05T09:07:02.887045+00:00","updated_at":"2026-07-05T09:07:02.887045+00:00"}