{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6GAGKBV7BPNM2X2LDQ2IAISMBI","short_pith_number":"pith:6GAGKBV7","canonical_record":{"source":{"id":"1612.08451","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-26T22:27:35Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3c78a3aa2b7d58158a921d10a29ccab08b0574b0d393c270d78ec06923381f84","abstract_canon_sha256":"61dc0866b25d57ed2cdb4edd3b1114f9ac92d355809104511c8b57e9ff9a0fe2"},"schema_version":"1.0"},"canonical_sha256":"f1806506bf0bdacd5f4b1c3480224c0a082feb1add75cc9cb6b066c5b6346216","source":{"kind":"arxiv","id":"1612.08451","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08451","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08451v3","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08451","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"pith_short_12","alias_value":"6GAGKBV7BPNM","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6GAGKBV7BPNM2X2L","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6GAGKBV7","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6GAGKBV7BPNM2X2LDQ2IAISMBI","target":"record","payload":{"canonical_record":{"source":{"id":"1612.08451","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-26T22:27:35Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"3c78a3aa2b7d58158a921d10a29ccab08b0574b0d393c270d78ec06923381f84","abstract_canon_sha256":"61dc0866b25d57ed2cdb4edd3b1114f9ac92d355809104511c8b57e9ff9a0fe2"},"schema_version":"1.0"},"canonical_sha256":"f1806506bf0bdacd5f4b1c3480224c0a082feb1add75cc9cb6b066c5b6346216","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:10.389527Z","signature_b64":"72VG+45lVApFLFtDW3I5MPQscC0cjSkOF1SgNaQRuMzysYN/OtQBIL4l/Xb8PY27M6pzukG87/VE6RqqkZc1Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1806506bf0bdacd5f4b1c3480224c0a082feb1add75cc9cb6b066c5b6346216","last_reissued_at":"2026-05-18T00:49:10.389080Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:10.389080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.08451","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":"2026-05-18T00:49:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gMa5bZIBrRG45USJ2pn5/C2B3Yy6mQp8vnvVS7I6BRXDWIfwfKdJ9Pfhs4yXnczkAf3Gx5w7ORKKNkGoRuu5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:39:15.869872Z"},"content_sha256":"ae854d0935aae1915b6a674663871082f1602d635bb83e1b2acf3a23de540946","schema_version":"1.0","event_id":"sha256:ae854d0935aae1915b6a674663871082f1602d635bb83e1b2acf3a23de540946"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6GAGKBV7BPNM2X2LDQ2IAISMBI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stable exponential cosmological solutions with zero variation of G in the Einstein-Gauss-Bonnet model with a Lambda-term","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"K. K. Ernazarov, V. D. Ivashchuk","submitted_at":"2016-12-26T22:27:35Z","abstract_excerpt":"A D-dimensional gravitational model with a Gauss-Bonnet term and the cosmological term Lambda is considered. By assuming diagonal cosmological metrics, we find, for certain fine-tuned Lambda, a class of solutions with exponential time dependence of two scale factors, governed by two Hubble-like parameters H >0 and h < 0, corresponding to factor spaces of dimensions m > 3 and l > 1, respectively, with (m,l) non-equal to (6,6), (7,4), (9,3) and D = 1 + m + l. Any of these solutions describes an exponential expansion of 3-dimensional subspace with Hubble parameter H and zero variation of the effe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08451","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":"2026-05-18T00:49:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PX4NDhFSMHFur8D7/HclPA/bnIH1nb2TxyllLSAyJuoM9x+rfYtBQLJpDGr59Pa3sDD8gRlUuC/47JxwOaegBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T05:39:15.870226Z"},"content_sha256":"2d96dd7ba4e02fe3d20cb5ebe83bd271afcf2db4f57170ff4265bba0da31616c","schema_version":"1.0","event_id":"sha256:2d96dd7ba4e02fe3d20cb5ebe83bd271afcf2db4f57170ff4265bba0da31616c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/bundle.json","state_url":"https://pith.science/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/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":"2026-05-28T05:39:15Z","links":{"resolver":"https://pith.science/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI","bundle":"https://pith.science/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/bundle.json","state":"https://pith.science/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6GAGKBV7BPNM2X2LDQ2IAISMBI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6GAGKBV7BPNM2X2LDQ2IAISMBI","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":"61dc0866b25d57ed2cdb4edd3b1114f9ac92d355809104511c8b57e9ff9a0fe2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-26T22:27:35Z","title_canon_sha256":"3c78a3aa2b7d58158a921d10a29ccab08b0574b0d393c270d78ec06923381f84"},"schema_version":"1.0","source":{"id":"1612.08451","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.08451","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"arxiv_version","alias_value":"1612.08451v3","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.08451","created_at":"2026-05-18T00:49:10Z"},{"alias_kind":"pith_short_12","alias_value":"6GAGKBV7BPNM","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6GAGKBV7BPNM2X2L","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6GAGKBV7","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:2d96dd7ba4e02fe3d20cb5ebe83bd271afcf2db4f57170ff4265bba0da31616c","target":"graph","created_at":"2026-05-18T00:49:10Z","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 a Gauss-Bonnet term and the cosmological term Lambda is considered. By assuming diagonal cosmological metrics, we find, for certain fine-tuned Lambda, a class of solutions with exponential time dependence of two scale factors, governed by two Hubble-like parameters H >0 and h < 0, corresponding to factor spaces of dimensions m > 3 and l > 1, respectively, with (m,l) non-equal to (6,6), (7,4), (9,3) and D = 1 + m + l. Any of these solutions describes an exponential expansion of 3-dimensional subspace with Hubble parameter H and zero variation of the effe","authors_text":"K. K. Ernazarov, V. D. Ivashchuk","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-26T22:27:35Z","title":"Stable exponential cosmological solutions with zero variation of G in the Einstein-Gauss-Bonnet model with a Lambda-term"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.08451","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:ae854d0935aae1915b6a674663871082f1602d635bb83e1b2acf3a23de540946","target":"record","created_at":"2026-05-18T00:49:10Z","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":"61dc0866b25d57ed2cdb4edd3b1114f9ac92d355809104511c8b57e9ff9a0fe2","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-12-26T22:27:35Z","title_canon_sha256":"3c78a3aa2b7d58158a921d10a29ccab08b0574b0d393c270d78ec06923381f84"},"schema_version":"1.0","source":{"id":"1612.08451","kind":"arxiv","version":3}},"canonical_sha256":"f1806506bf0bdacd5f4b1c3480224c0a082feb1add75cc9cb6b066c5b6346216","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1806506bf0bdacd5f4b1c3480224c0a082feb1add75cc9cb6b066c5b6346216","first_computed_at":"2026-05-18T00:49:10.389080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:49:10.389080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"72VG+45lVApFLFtDW3I5MPQscC0cjSkOF1SgNaQRuMzysYN/OtQBIL4l/Xb8PY27M6pzukG87/VE6RqqkZc1Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:49:10.389527Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.08451","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ae854d0935aae1915b6a674663871082f1602d635bb83e1b2acf3a23de540946","sha256:2d96dd7ba4e02fe3d20cb5ebe83bd271afcf2db4f57170ff4265bba0da31616c"],"state_sha256":"faf675577a4eecc9aecdaf0159eb9d33a689e5ad37346aef65dd883c9fac0888"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z+XgctlL9omGMUm2roJMjtlnqU/dAKUrE94ecqqwPaSUcJfGzd7Mgjym5tHzVEQld6kqJ6w9zhMyork49jk3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T05:39:15.872163Z","bundle_sha256":"257751f599dec5907480d3cc3a429375c4d5473049422ed6f63cd76bacac4402"}}