{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QMNKXOUJ4WHV53TM5ILOCSIIV2","short_pith_number":"pith:QMNKXOUJ","schema_version":"1.0","canonical_sha256":"831aabba89e58f5eee6cea16e14908ae95580f42ff43ba6d10d08793d63edaed","source":{"kind":"arxiv","id":"1811.04327","version":1},"attestation_state":"computed","paper":{"title":"Power spectrum of primordial perturbations for an emergent universe in quantum reduced loop gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Emanuele Alesci, Javier Olmedo","submitted_at":"2018-11-11T00:20:20Z","abstract_excerpt":"We study the dynamics and predictions of a new emergent-universe model recently derived within Quantum Reduced Loop Gravity and based on the so-called statistical regularization scheme. These effective geometries show a dynamical transition from a stationary spacetime, with nearly constant scale factor at very early times, to a late-time semiclassical phase well approximated by a classical Friedmann-Robertson-Walker spacetime. We show that this is always the case when the matter content is a minimally coupled scalar field subject to a quadratic potential, including the massless case. Besides, "},"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":"1811.04327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-11-11T00:20:20Z","cross_cats_sorted":[],"title_canon_sha256":"b359313920f678ae914719faa2f00cb4c4ba4cfa4d608f9d97692783e478c8b8","abstract_canon_sha256":"be2136607fc593ffc24b1f6cb0da57fcdf7501ababa2333e2daf13841a95e240"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:59.176841Z","signature_b64":"8A4FLdDaswcfYxmTVAR9IxiI2cXRrSC1cRVIXlYgWFI3XnByA2y7rPxaEGsoYnVzOJ9Vp3sJjQAKMSVl1NvACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"831aabba89e58f5eee6cea16e14908ae95580f42ff43ba6d10d08793d63edaed","last_reissued_at":"2026-05-17T23:47:59.176395Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:59.176395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Power spectrum of primordial perturbations for an emergent universe in quantum reduced loop gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Emanuele Alesci, Javier Olmedo","submitted_at":"2018-11-11T00:20:20Z","abstract_excerpt":"We study the dynamics and predictions of a new emergent-universe model recently derived within Quantum Reduced Loop Gravity and based on the so-called statistical regularization scheme. These effective geometries show a dynamical transition from a stationary spacetime, with nearly constant scale factor at very early times, to a late-time semiclassical phase well approximated by a classical Friedmann-Robertson-Walker spacetime. We show that this is always the case when the matter content is a minimally coupled scalar field subject to a quadratic potential, including the massless case. Besides, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04327","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":""},"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":"1811.04327","created_at":"2026-05-17T23:47:59.176469+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.04327v1","created_at":"2026-05-17T23:47:59.176469+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04327","created_at":"2026-05-17T23:47:59.176469+00:00"},{"alias_kind":"pith_short_12","alias_value":"QMNKXOUJ4WHV","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QMNKXOUJ4WHV53TM","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QMNKXOUJ","created_at":"2026-05-18T12:32:46.962924+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.01368","citing_title":"Quantum-reduced loop gravity: New perspectives on the kinematics and dynamics","ref_index":6,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2","json":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2.json","graph_json":"https://pith.science/api/pith-number/QMNKXOUJ4WHV53TM5ILOCSIIV2/graph.json","events_json":"https://pith.science/api/pith-number/QMNKXOUJ4WHV53TM5ILOCSIIV2/events.json","paper":"https://pith.science/paper/QMNKXOUJ"},"agent_actions":{"view_html":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2","download_json":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2.json","view_paper":"https://pith.science/paper/QMNKXOUJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.04327&json=true","fetch_graph":"https://pith.science/api/pith-number/QMNKXOUJ4WHV53TM5ILOCSIIV2/graph.json","fetch_events":"https://pith.science/api/pith-number/QMNKXOUJ4WHV53TM5ILOCSIIV2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2/action/storage_attestation","attest_author":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2/action/author_attestation","sign_citation":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2/action/citation_signature","submit_replication":"https://pith.science/pith/QMNKXOUJ4WHV53TM5ILOCSIIV2/action/replication_record"}},"created_at":"2026-05-17T23:47:59.176469+00:00","updated_at":"2026-05-17T23:47:59.176469+00:00"}