{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:U3I47IXY4WSFV2AMNWOWPMHFNY","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":"04d231bbeaebdf7fdac1a7d2bd9ca07be2c7ca67a245ccd474f784f5f0584e29","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-03T09:00:04Z","title_canon_sha256":"994cc9d82157f215ec948657fbbea79f549be86af8d8fd7fc0ebfee3bf491585"},"schema_version":"1.0","source":{"id":"1503.00860","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.00860","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"arxiv_version","alias_value":"1503.00860v3","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.00860","created_at":"2026-05-18T01:03:31Z"},{"alias_kind":"pith_short_12","alias_value":"U3I47IXY4WSF","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"U3I47IXY4WSFV2AM","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"U3I47IXY","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:f90c3f4a0a5db856480454d57a7789e21c53c222f3a32219a614a313fc3281c7","target":"graph","created_at":"2026-05-18T01:03:31Z","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":"A D-dimensional gravitational model with Gauss-Bonnet term is considered. When ansatz with diagonal cosmological type metrics is adopted, we find solutions with exponential dependence of scale factors (with respect to \"synchronous-like\" variable) which describe an exponential expansion of \"our\" 3-dimensional factor-space and obey the observational constraints on the temporal variation of effective gravitational constant G. Among them there are two exact solutions in dimensions D = 22, 28 with constant G and also an infinite series of solutions in dimensions D \\ge 2690 with the variation of G o","authors_text":"A. A. Kobtsev, V. D. Ivashchuk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-03T09:00:04Z","title":"On exponential cosmological type solutions in the model with Gauss-Bonnet term and variation of gravitational constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.00860","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":"sha256:5c733a67cc395444e8b4724cece8b37a4ed4721f9d8a1efd12440915691aa944","target":"record","created_at":"2026-05-18T01:03:31Z","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":"04d231bbeaebdf7fdac1a7d2bd9ca07be2c7ca67a245ccd474f784f5f0584e29","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-03-03T09:00:04Z","title_canon_sha256":"994cc9d82157f215ec948657fbbea79f549be86af8d8fd7fc0ebfee3bf491585"},"schema_version":"1.0","source":{"id":"1503.00860","kind":"arxiv","version":3}},"canonical_sha256":"a6d1cfa2f8e5a45ae80c6d9d67b0e56e2d8919474df52f3311fff80c58675cc9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6d1cfa2f8e5a45ae80c6d9d67b0e56e2d8919474df52f3311fff80c58675cc9","first_computed_at":"2026-05-18T01:03:31.152008Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:31.152008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eQu9aVmWh6Sgf02gdiA8Tmge2FDBOy5c/r+ESSp15c9nLEH8SenczYlkoDKDmUDjvDvWH0A9/kPq2GnO3V/FDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:31.152608Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.00860","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c733a67cc395444e8b4724cece8b37a4ed4721f9d8a1efd12440915691aa944","sha256:f90c3f4a0a5db856480454d57a7789e21c53c222f3a32219a614a313fc3281c7"],"state_sha256":"ee4d9ec5aac49c003f8b845cbf1650edd1722bc7cc35cef61f32c16a7818a78a"}