{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PAORTBZJ5HC4HHLGAF4YBX22OI","short_pith_number":"pith:PAORTBZJ","canonical_record":{"source":{"id":"1412.1073","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-02T13:18:09Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"39bed0405d66756b0410b4c8ec1297fb35236ffc4aa14572fa8597f513eec984","abstract_canon_sha256":"06e1f875bc6cc128916dfbc182f03ec1c49d49a24245d854c4c970f1074143ce"},"schema_version":"1.0"},"canonical_sha256":"781d198729e9c5c39d66017980df5a7220c680b2fc4a8932d822b5353df0da75","source":{"kind":"arxiv","id":"1412.1073","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1073","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1073v3","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1073","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"PAORTBZJ5HC4","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PAORTBZJ5HC4HHLG","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PAORTBZJ","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PAORTBZJ5HC4HHLGAF4YBX22OI","target":"record","payload":{"canonical_record":{"source":{"id":"1412.1073","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-02T13:18:09Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"39bed0405d66756b0410b4c8ec1297fb35236ffc4aa14572fa8597f513eec984","abstract_canon_sha256":"06e1f875bc6cc128916dfbc182f03ec1c49d49a24245d854c4c970f1074143ce"},"schema_version":"1.0"},"canonical_sha256":"781d198729e9c5c39d66017980df5a7220c680b2fc4a8932d822b5353df0da75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:43.664719Z","signature_b64":"r6C14CnBUP65B4tbShyxOq+pn7pMYoHQ2dwWQgL5B9CNxsRTjPw+7wuexAnYVgi/k0ll7qd/+IuLcWVBoFr2AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"781d198729e9c5c39d66017980df5a7220c680b2fc4a8932d822b5353df0da75","last_reissued_at":"2026-05-18T01:32:43.664212Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:43.664212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.1073","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4RNFLj5jQgGKiPp71PGhyna+NXZyyDJElHHWnYugzC9aqfhFqeBlKQ7YWuTupNnbjcfcIgatx9ssUeplj129Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T17:16:23.148571Z"},"content_sha256":"22653143f5a295ee138f12e079c727b990b17d7198fd0ce2d42169415ddb0ce8","schema_version":"1.0","event_id":"sha256:22653143f5a295ee138f12e079c727b990b17d7198fd0ce2d42169415ddb0ce8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PAORTBZJ5HC4HHLGAF4YBX22OI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inflationary universe from higher-derivative quantum gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Lorenzo Sebastiani, Ratbay Myrzakulov, Sergei Odintsov","submitted_at":"2014-12-02T13:18:09Z","abstract_excerpt":"We consider higher-derivative quantum gravity where renormalization group improved effective action beyond one-loop approximation is derived. Using this effective action, the quantum-corrected FRW equations are analyzed. De Sitter universe solution is found. It is demonstrated that such de Sitter inflationary universe is instable. The slow-roll inflationary parameters are calculated. The contribution of renormalization group improved Gauss-Bonnet term to quantum-corrected FRW equations as well as to instability of de Sitter universe is estimated. It is demonstrated that in this case the spectr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1073","kind":"arxiv","version":3},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W7v30lM23cUgUFGgvtJ12b465P6dIVNC5rgskIiRX87geUUtlD1IWZWPJ6/ELQCt8ou+PujcG5qzigmPNVOOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T17:16:23.148911Z"},"content_sha256":"fc187b2dc03d7314ee83c1ffbbd932d1c694c29d104641d947cd5142d436ffa2","schema_version":"1.0","event_id":"sha256:fc187b2dc03d7314ee83c1ffbbd932d1c694c29d104641d947cd5142d436ffa2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/bundle.json","state_url":"https://pith.science/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-04T17:16:23Z","links":{"resolver":"https://pith.science/pith/PAORTBZJ5HC4HHLGAF4YBX22OI","bundle":"https://pith.science/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/bundle.json","state":"https://pith.science/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PAORTBZJ5HC4HHLGAF4YBX22OI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PAORTBZJ5HC4HHLGAF4YBX22OI","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"06e1f875bc6cc128916dfbc182f03ec1c49d49a24245d854c4c970f1074143ce","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-02T13:18:09Z","title_canon_sha256":"39bed0405d66756b0410b4c8ec1297fb35236ffc4aa14572fa8597f513eec984"},"schema_version":"1.0","source":{"id":"1412.1073","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1073","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1073v3","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1073","created_at":"2026-05-18T01:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"PAORTBZJ5HC4","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PAORTBZJ5HC4HHLG","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PAORTBZJ","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:fc187b2dc03d7314ee83c1ffbbd932d1c694c29d104641d947cd5142d436ffa2","target":"graph","created_at":"2026-05-18T01:32:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We consider higher-derivative quantum gravity where renormalization group improved effective action beyond one-loop approximation is derived. Using this effective action, the quantum-corrected FRW equations are analyzed. De Sitter universe solution is found. It is demonstrated that such de Sitter inflationary universe is instable. The slow-roll inflationary parameters are calculated. The contribution of renormalization group improved Gauss-Bonnet term to quantum-corrected FRW equations as well as to instability of de Sitter universe is estimated. It is demonstrated that in this case the spectr","authors_text":"Lorenzo Sebastiani, Ratbay Myrzakulov, Sergei Odintsov","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-02T13:18:09Z","title":"Inflationary universe from higher-derivative quantum gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1073","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:22653143f5a295ee138f12e079c727b990b17d7198fd0ce2d42169415ddb0ce8","target":"record","created_at":"2026-05-18T01:32:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"06e1f875bc6cc128916dfbc182f03ec1c49d49a24245d854c4c970f1074143ce","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-12-02T13:18:09Z","title_canon_sha256":"39bed0405d66756b0410b4c8ec1297fb35236ffc4aa14572fa8597f513eec984"},"schema_version":"1.0","source":{"id":"1412.1073","kind":"arxiv","version":3}},"canonical_sha256":"781d198729e9c5c39d66017980df5a7220c680b2fc4a8932d822b5353df0da75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"781d198729e9c5c39d66017980df5a7220c680b2fc4a8932d822b5353df0da75","first_computed_at":"2026-05-18T01:32:43.664212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:43.664212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r6C14CnBUP65B4tbShyxOq+pn7pMYoHQ2dwWQgL5B9CNxsRTjPw+7wuexAnYVgi/k0ll7qd/+IuLcWVBoFr2AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:43.664719Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.1073","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22653143f5a295ee138f12e079c727b990b17d7198fd0ce2d42169415ddb0ce8","sha256:fc187b2dc03d7314ee83c1ffbbd932d1c694c29d104641d947cd5142d436ffa2"],"state_sha256":"f86c3b05f6996f76702f5a4d3886301528df0f807faca9692945bf71b38f6961"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qx86UCGDQEzfD3BP+h4NHYblOzSQ35uvz6CdbfESIPnM+fsHV/3kg3ZAh7IBnAXQFNbDb8C0yXr75qGTMAK0AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T17:16:23.150803Z","bundle_sha256":"6cdd0347a38f0d95d7ff3218fcaae21df122d109dd2ac99943b870c55090bc13"}}