{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:L545JRG3UMZFL6D7TAYV2YIZUD","short_pith_number":"pith:L545JRG3","schema_version":"1.0","canonical_sha256":"5f79d4c4dba33255f87f98315d6119a0d971beedf43d4f0fce21cf27abb9a1b8","source":{"kind":"arxiv","id":"1606.00352","version":2},"attestation_state":"computed","paper":{"title":"Cosmological implications of interacting Group Field Theory models: cyclic Universe and accelerated expansion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Andreas G. A. Pithis, Mairi Sakellariadou, Marco de Cesare","submitted_at":"2016-06-01T16:40:10Z","abstract_excerpt":"We study the cosmological implications of interactions between spacetime quanta in the Group Field Theory (GFT) approach to Quantum Gravity from a phenomenological perspective. Our work represents a first step towards understanding Early Universe Cosmology by studying the dynamics of the emergent continuum spacetime, as obtained from a fundamentally discrete microscopic theory. In particular, we show how GFT interactions lead to a recollapse of the Universe while preserving the bounce replacing the initial singularity, which has already been shown to occur in the free case. It is remarkable th"},"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":"1606.00352","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-06-01T16:40:10Z","cross_cats_sorted":[],"title_canon_sha256":"1fb7faac2016910ea671c7ff5e0b740adc4f0bf885534c717b276886144e7418","abstract_canon_sha256":"e3d70c63c8106f3ac71569651f28f9087da3dd85717204bb1edab3b9af723f9c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:36.315557Z","signature_b64":"KIoEoLX4lENLpJ0jJBJRUu2G7B3cU0x0KY3qUNkWKE/AXWb8z9vty1LK8YhjaevYMYWkkwx03oU6O/YAPct4DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f79d4c4dba33255f87f98315d6119a0d971beedf43d4f0fce21cf27abb9a1b8","last_reissued_at":"2026-05-18T01:03:36.314889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:36.314889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological implications of interacting Group Field Theory models: cyclic Universe and accelerated expansion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Andreas G. A. Pithis, Mairi Sakellariadou, Marco de Cesare","submitted_at":"2016-06-01T16:40:10Z","abstract_excerpt":"We study the cosmological implications of interactions between spacetime quanta in the Group Field Theory (GFT) approach to Quantum Gravity from a phenomenological perspective. Our work represents a first step towards understanding Early Universe Cosmology by studying the dynamics of the emergent continuum spacetime, as obtained from a fundamentally discrete microscopic theory. In particular, we show how GFT interactions lead to a recollapse of the Universe while preserving the bounce replacing the initial singularity, which has already been shown to occur in the free case. It is remarkable th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.00352","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":"1606.00352","created_at":"2026-05-18T01:03:36.314999+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.00352v2","created_at":"2026-05-18T01:03:36.314999+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.00352","created_at":"2026-05-18T01:03:36.314999+00:00"},{"alias_kind":"pith_short_12","alias_value":"L545JRG3UMZF","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"L545JRG3UMZFL6D7","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"L545JRG3","created_at":"2026-05-18T12:30:29.479603+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.18977","citing_title":"Collective excitations in quantum gravity condensates","ref_index":98,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD","json":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD.json","graph_json":"https://pith.science/api/pith-number/L545JRG3UMZFL6D7TAYV2YIZUD/graph.json","events_json":"https://pith.science/api/pith-number/L545JRG3UMZFL6D7TAYV2YIZUD/events.json","paper":"https://pith.science/paper/L545JRG3"},"agent_actions":{"view_html":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD","download_json":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD.json","view_paper":"https://pith.science/paper/L545JRG3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.00352&json=true","fetch_graph":"https://pith.science/api/pith-number/L545JRG3UMZFL6D7TAYV2YIZUD/graph.json","fetch_events":"https://pith.science/api/pith-number/L545JRG3UMZFL6D7TAYV2YIZUD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD/action/storage_attestation","attest_author":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD/action/author_attestation","sign_citation":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD/action/citation_signature","submit_replication":"https://pith.science/pith/L545JRG3UMZFL6D7TAYV2YIZUD/action/replication_record"}},"created_at":"2026-05-18T01:03:36.314999+00:00","updated_at":"2026-05-18T01:03:36.314999+00:00"}