{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:EKTDCNF3BQVAA5TNLNP7QLUXA2","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":"f2fb0fab9fd7e8d888cd15afc9e5d70f32b8188c1e8fb244d507baffbf9dbe55","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-07-05T13:27:08Z","title_canon_sha256":"b41546dc4aae89c41324201233e1c339143e9eead02e9a36ca97b330ddff7c08"},"schema_version":"1.0","source":{"id":"1607.01244","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01244","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01244v2","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01244","created_at":"2026-05-18T01:08:08Z"},{"alias_kind":"pith_short_12","alias_value":"EKTDCNF3BQVA","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"EKTDCNF3BQVAA5TN","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"EKTDCNF3","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:f8d0ded3942578dd8d37a7b5b96834613616c859629220b350bbb76d24350fed","target":"graph","created_at":"2026-05-18T01:08:08Z","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 (n+1)-dimensional gravitational model with Gauss-Bonnet term and cosmological constant term is considered. When ansatz with diagonal cosmological metrics is adopted, the solutions with exponential dependence of scale factors: a_i ~ exp( v^i t), i = 1, ..., n, are analysed for n > 3. We study the stability of the solutions with non-static volume factor, i.e. if K(v) = \\sum_{k = 1}^{n} v^k \\neq 0. We prove that under certain restriction R imposed solutions with K(v) > 0 are stable while solutions with K(v) < 0 are unstable. Certain examples of stable solutions are presented. We show that the s","authors_text":"V. D. Ivashchuk","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-07-05T13:27:08Z","title":"On stability of exponential cosmological solutions with non-static volume factor in the Einstein-Gauss-Bonnet model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01244","kind":"arxiv","version":2},"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":"sha256:63c635bfadde32fd7b106edb72901774fe9594adfab7a10a079e496c16687b73","target":"record","created_at":"2026-05-18T01:08:08Z","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":"f2fb0fab9fd7e8d888cd15afc9e5d70f32b8188c1e8fb244d507baffbf9dbe55","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-07-05T13:27:08Z","title_canon_sha256":"b41546dc4aae89c41324201233e1c339143e9eead02e9a36ca97b330ddff7c08"},"schema_version":"1.0","source":{"id":"1607.01244","kind":"arxiv","version":2}},"canonical_sha256":"22a63134bb0c2a00766d5b5ff82e9706a07bd00e59fda8577ce3b39d822de9e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"22a63134bb0c2a00766d5b5ff82e9706a07bd00e59fda8577ce3b39d822de9e6","first_computed_at":"2026-05-18T01:08:08.672138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:08.672138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zdMlSdLmnEaN8LUlCRJ15Vgey6NsHN7UxA6/xplZPY9yOoXNe7Aq4yKtZmIJtj4nBkM6ZnSSYMKapdqizP71Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:08.672517Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.01244","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:63c635bfadde32fd7b106edb72901774fe9594adfab7a10a079e496c16687b73","sha256:f8d0ded3942578dd8d37a7b5b96834613616c859629220b350bbb76d24350fed"],"state_sha256":"ea0a7c3edf2583b899bd5d5877d4a96b13d854f53cac391b881f3eed103b98a4"}