{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:ZXUBC6ESLJ4D22DO5ZOZRT7R6F","short_pith_number":"pith:ZXUBC6ES","schema_version":"1.0","canonical_sha256":"cde81178925a783d686eee5d98cff1f1724547aa7213acfc8fe6a7a8a1dfad8a","source":{"kind":"arxiv","id":"1011.4618","version":2},"attestation_state":"computed","paper":{"title":"Evolution of cosmological perturbations in an RG-driven inflationary scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Adriano Contillo","submitted_at":"2010-11-20T22:45:03Z","abstract_excerpt":"A gauge-invariant, linear cosmological perturbation theory of an almost homogeneous and isotropic universe with dynamically evolving Newton constant G and cosmological constant $\\Lambda$ is presented. The equations governing the evolution of the comoving fractional spatial gradients of the matter density, G and $\\Lambda$ are thus obtained. Explicit solutions are discussed in cosmologies, featuring an accelerated expansion, where both G and $\\Lambda$ vary according to renormalization group equations in the vicinity of an ultraviolet fixed point. Finally, a similar analysis is carried out in the"},"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":"1011.4618","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-11-20T22:45:03Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"15c9222202a636b71a1d4116af26fde862516f6be9e5996422bbd530ce545182","abstract_canon_sha256":"d0bb6d36bc9e71f8771320be81ca08a9632fe3e1a0366974a367b3af983d4209"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:23:45.747169Z","signature_b64":"4d2Hlj033PlLEDupS0JmHzYRpkNciqW8Y63CRDFkH4bEToKgmfpr3/8mRZRK/2dV0Khvqlw7c6fEyXafym2pDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cde81178925a783d686eee5d98cff1f1724547aa7213acfc8fe6a7a8a1dfad8a","last_reissued_at":"2026-05-18T04:23:45.746663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:23:45.746663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution of cosmological perturbations in an RG-driven inflationary scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Adriano Contillo","submitted_at":"2010-11-20T22:45:03Z","abstract_excerpt":"A gauge-invariant, linear cosmological perturbation theory of an almost homogeneous and isotropic universe with dynamically evolving Newton constant G and cosmological constant $\\Lambda$ is presented. The equations governing the evolution of the comoving fractional spatial gradients of the matter density, G and $\\Lambda$ are thus obtained. Explicit solutions are discussed in cosmologies, featuring an accelerated expansion, where both G and $\\Lambda$ vary according to renormalization group equations in the vicinity of an ultraviolet fixed point. Finally, a similar analysis is carried out in the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4618","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":"1011.4618","created_at":"2026-05-18T04:23:45.746729+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.4618v2","created_at":"2026-05-18T04:23:45.746729+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4618","created_at":"2026-05-18T04:23:45.746729+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZXUBC6ESLJ4D","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZXUBC6ESLJ4D22DO","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZXUBC6ES","created_at":"2026-05-18T12:26:18.847500+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/ZXUBC6ESLJ4D22DO5ZOZRT7R6F","json":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F.json","graph_json":"https://pith.science/api/pith-number/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/graph.json","events_json":"https://pith.science/api/pith-number/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/events.json","paper":"https://pith.science/paper/ZXUBC6ES"},"agent_actions":{"view_html":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F","download_json":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F.json","view_paper":"https://pith.science/paper/ZXUBC6ES","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.4618&json=true","fetch_graph":"https://pith.science/api/pith-number/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/graph.json","fetch_events":"https://pith.science/api/pith-number/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/action/storage_attestation","attest_author":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/action/author_attestation","sign_citation":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/action/citation_signature","submit_replication":"https://pith.science/pith/ZXUBC6ESLJ4D22DO5ZOZRT7R6F/action/replication_record"}},"created_at":"2026-05-18T04:23:45.746729+00:00","updated_at":"2026-05-18T04:23:45.746729+00:00"}