{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:JJKQXRLB6QQJINYAU6OKGISWO4","short_pith_number":"pith:JJKQXRLB","canonical_record":{"source":{"id":"1302.2140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-08T20:46:15Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"856fbb161d2810f31f4e5e289a36496f354a4bf6a4bb992dcac1828419dc798f","abstract_canon_sha256":"26de5e7f6a1216d29a425cde744d5b408b0c93a3d3b51a5067bfbb68c684bd4e"},"schema_version":"1.0"},"canonical_sha256":"4a550bc561f420943700a79ca3225677111bd337d5de6e202ea4585cb1d4fb50","source":{"kind":"arxiv","id":"1302.2140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2140","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2140v1","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2140","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"pith_short_12","alias_value":"JJKQXRLB6QQJ","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JJKQXRLB6QQJINYA","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JJKQXRLB","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:JJKQXRLB6QQJINYAU6OKGISWO4","target":"record","payload":{"canonical_record":{"source":{"id":"1302.2140","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-08T20:46:15Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"856fbb161d2810f31f4e5e289a36496f354a4bf6a4bb992dcac1828419dc798f","abstract_canon_sha256":"26de5e7f6a1216d29a425cde744d5b408b0c93a3d3b51a5067bfbb68c684bd4e"},"schema_version":"1.0"},"canonical_sha256":"4a550bc561f420943700a79ca3225677111bd337d5de6e202ea4585cb1d4fb50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:54.778161Z","signature_b64":"uqRcyC489j6ORFOoox3Dv4WkpbydMcLOZ40NQih11FpDdKZkvaSRl8vIOpR4MvdmTjAIOvdr9Lt/EUqZdEV2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a550bc561f420943700a79ca3225677111bd337d5de6e202ea4585cb1d4fb50","last_reissued_at":"2026-05-18T03:05:54.777769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:54.777769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.2140","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:05:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x7k8neeacWRkToKQ2IQyKtuLGxu3O4ZDF+D0ApGWgJiacji37HW3wPEpoz6InksU7VAFAPW5kpaODuxpBunQDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:12:30.055918Z"},"content_sha256":"0756b435fce3b08043beb8282f4368fc89e3813fe01a2a40c2088dfcb10b389b","schema_version":"1.0","event_id":"sha256:0756b435fce3b08043beb8282f4368fc89e3813fe01a2a40c2088dfcb10b389b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:JJKQXRLB6QQJINYAU6OKGISWO4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Alexey S. Koshelev","submitted_at":"2013-02-08T20:46:15Z","abstract_excerpt":"We consider the most general quadratic in curvature stringy motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of this type of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2140","kind":"arxiv","version":1},"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":"2026-05-18T03:05:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CUzZpxB3T1NVA2Xn/XSZNs3jJTaP7WZfD9fXtCAkGbmsOPkK9fbQaFgb2qpuDncY7AjxDJvyaw0QhdSTmvsrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:12:30.056274Z"},"content_sha256":"f85ac169f93121f2a879ec4730b2d11ec299fee965b4c60f808aa593828fe44e","schema_version":"1.0","event_id":"sha256:f85ac169f93121f2a879ec4730b2d11ec299fee965b4c60f808aa593828fe44e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JJKQXRLB6QQJINYAU6OKGISWO4/bundle.json","state_url":"https://pith.science/pith/JJKQXRLB6QQJINYAU6OKGISWO4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JJKQXRLB6QQJINYAU6OKGISWO4/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":"2026-06-03T22:12:30Z","links":{"resolver":"https://pith.science/pith/JJKQXRLB6QQJINYAU6OKGISWO4","bundle":"https://pith.science/pith/JJKQXRLB6QQJINYAU6OKGISWO4/bundle.json","state":"https://pith.science/pith/JJKQXRLB6QQJINYAU6OKGISWO4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JJKQXRLB6QQJINYAU6OKGISWO4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JJKQXRLB6QQJINYAU6OKGISWO4","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":"26de5e7f6a1216d29a425cde744d5b408b0c93a3d3b51a5067bfbb68c684bd4e","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-08T20:46:15Z","title_canon_sha256":"856fbb161d2810f31f4e5e289a36496f354a4bf6a4bb992dcac1828419dc798f"},"schema_version":"1.0","source":{"id":"1302.2140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2140","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2140v1","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2140","created_at":"2026-05-18T03:05:54Z"},{"alias_kind":"pith_short_12","alias_value":"JJKQXRLB6QQJ","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JJKQXRLB6QQJINYA","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JJKQXRLB","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:f85ac169f93121f2a879ec4730b2d11ec299fee965b4c60f808aa593828fe44e","target":"graph","created_at":"2026-05-18T03:05:54Z","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 the most general quadratic in curvature stringy motivated non-local action for the modified Einstein's gravity. We present exact analytic cosmological solutions including the bouncing ones and develop the relevant techniques for the further study of this type of models. We also elaborate on the perturbation formalism and argue that the found bouncing solution is stable during the bounce phase.","authors_text":"Alexey S. Koshelev","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-08T20:46:15Z","title":"Stable analytic bounce in non-local Einstein-Gauss-Bonnet cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2140","kind":"arxiv","version":1},"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":"sha256:0756b435fce3b08043beb8282f4368fc89e3813fe01a2a40c2088dfcb10b389b","target":"record","created_at":"2026-05-18T03:05:54Z","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":"26de5e7f6a1216d29a425cde744d5b408b0c93a3d3b51a5067bfbb68c684bd4e","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-08T20:46:15Z","title_canon_sha256":"856fbb161d2810f31f4e5e289a36496f354a4bf6a4bb992dcac1828419dc798f"},"schema_version":"1.0","source":{"id":"1302.2140","kind":"arxiv","version":1}},"canonical_sha256":"4a550bc561f420943700a79ca3225677111bd337d5de6e202ea4585cb1d4fb50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a550bc561f420943700a79ca3225677111bd337d5de6e202ea4585cb1d4fb50","first_computed_at":"2026-05-18T03:05:54.777769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:05:54.777769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uqRcyC489j6ORFOoox3Dv4WkpbydMcLOZ40NQih11FpDdKZkvaSRl8vIOpR4MvdmTjAIOvdr9Lt/EUqZdEV2BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:05:54.778161Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.2140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0756b435fce3b08043beb8282f4368fc89e3813fe01a2a40c2088dfcb10b389b","sha256:f85ac169f93121f2a879ec4730b2d11ec299fee965b4c60f808aa593828fe44e"],"state_sha256":"c2d23375c7395b8bdddbc4046215776ef3aba3fc44d6548f1a5aa2cbd90ee461"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o8U6GDXBvRqsCyw9KsTmyygaszOB2wkBeIZPkzaUzh+gpMztXTHVGxhrx1tDXk5dTBZDf+iuA69RQUG69nmNAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:12:30.058154Z","bundle_sha256":"d6c2fac06fe28d10a177ec0b258066f975ae2ae65dfe0233e0beebcc884a31ab"}}