{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JCBJE4IU6S3MTNAGE34ESOF2M5","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":"41f836475e6c2808e4084f007e5ae03912d340e594d345c974da95ac800169cf","cross_cats_sorted":["astro-ph.CO","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-07-17T16:51:10Z","title_canon_sha256":"11bb27e6bb1e435b8ead74734bccfedb7a317612b3589ae1c938f1191430cc55"},"schema_version":"1.0","source":{"id":"2407.12732","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.12732","created_at":"2026-07-05T09:35:50Z"},{"alias_kind":"arxiv_version","alias_value":"2407.12732v3","created_at":"2026-07-05T09:35:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.12732","created_at":"2026-07-05T09:35:50Z"},{"alias_kind":"pith_short_12","alias_value":"JCBJE4IU6S3M","created_at":"2026-07-05T09:35:50Z"},{"alias_kind":"pith_short_16","alias_value":"JCBJE4IU6S3MTNAG","created_at":"2026-07-05T09:35:50Z"},{"alias_kind":"pith_short_8","alias_value":"JCBJE4IU","created_at":"2026-07-05T09:35:50Z"}],"graph_snapshots":[{"event_id":"sha256:a6f0b57f5f4a97d6c6b945412c29ab241bf10633aa37d97c651de8da1446e59a","target":"graph","created_at":"2026-07-05T09:35:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.12732/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We construct integrable chiral cosmological models with two scalar fields and potentials represented in terms of hyperbolic functions. Using the conformal transformation of the metric and the corresponding models with induced gravity terms, we obtain the general solutions in the spatially flat, open and closed Friedmann universes and the corresponding integrals of motion. The obtained general solutions can be written in terms of the Jacobi elliptic functions of the conformal time.","authors_text":"Sergey Yu. Vernov, Vsevolod R. Ivanov","cross_cats":["astro-ph.CO","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-07-17T16:51:10Z","title":"New Integrable Chiral Cosmological Models with Two Scalar Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.12732","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":"sha256:7b36bf094e743a90e7b0bcede3f1d9108ad56f9c115abbb0da75b23ccc1ea0ad","target":"record","created_at":"2026-07-05T09:35:50Z","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":"41f836475e6c2808e4084f007e5ae03912d340e594d345c974da95ac800169cf","cross_cats_sorted":["astro-ph.CO","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-07-17T16:51:10Z","title_canon_sha256":"11bb27e6bb1e435b8ead74734bccfedb7a317612b3589ae1c938f1191430cc55"},"schema_version":"1.0","source":{"id":"2407.12732","kind":"arxiv","version":3}},"canonical_sha256":"4882927114f4b6c9b40626f84938ba675f578e9e5f3ae220d85851669cb36d4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4882927114f4b6c9b40626f84938ba675f578e9e5f3ae220d85851669cb36d4c","first_computed_at":"2026-07-05T09:35:50.577194Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:35:50.577194Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JOYbFJgkU/Khl8F86PPibB7wlPpNt6+kHGYcLM9gz0n2gSKvHn3Lyr+sYSpFTqdYzTWsmHdqzfiLdtuJdoysBA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:35:50.577700Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.12732","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b36bf094e743a90e7b0bcede3f1d9108ad56f9c115abbb0da75b23ccc1ea0ad","sha256:a6f0b57f5f4a97d6c6b945412c29ab241bf10633aa37d97c651de8da1446e59a"],"state_sha256":"c69b11348ab2256180fe3b2368fec60b569a82fa07130fcc1f17625804bfd066"}