{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BHZT6BXIBK3VVLZCLDUNS352PU","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":"e24d06d7f53af547eb4a60a19811bc8784f159d97ceceef1841f074ff765cdbd","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-07T19:57:16Z","title_canon_sha256":"b99acf71b9363d553a474e7118a9ccd0f60eba8a5ae3badf78069efa0a147ac3"},"schema_version":"1.0","source":{"id":"1307.1910","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1910","created_at":"2026-05-18T01:48:58Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1910v3","created_at":"2026-05-18T01:48:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1910","created_at":"2026-05-18T01:48:58Z"},{"alias_kind":"pith_short_12","alias_value":"BHZT6BXIBK3V","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BHZT6BXIBK3VVLZC","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BHZT6BXI","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:9ffb9c540029ab6f049bd6080cb3cbd4f40cc155ba38c1d7aaa3a184575f5a6e","target":"graph","created_at":"2026-05-18T01:48:58Z","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 build a number of integrable one--scalar spatially flat cosmologies, which play a natural role in inflationary scenarios, examine their behavior in several cases and draw from them some general lessons on this type of systems, whose potentials involve combinations of exponential functions, and on similar non--integrable ones. These include the need for the scalar to emerge from the initial singularity while climbing up sufficiently steep exponential potentials (\"climbing phenomenon\") and the inevitable collapse in a big Crunch whenever the scalar tries to settle at negative extrema of the p","authors_text":"A. Sagnotti (Scuola Normale Superiore, A.S. Sorin (JINR, Dubna), INFN), P. Fr\\'e (Universit\\`a di Torino","cross_cats":["gr-qc","hep-ph","math-ph","math.MP","nlin.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-07T19:57:16Z","title":"Integrable Scalar Cosmologies I. Foundations and links with String Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1910","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":"sha256:392ecc5d32c82b85abc67a64a0945297c761043453152f9a908dbc2707767a81","target":"record","created_at":"2026-05-18T01:48:58Z","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":"e24d06d7f53af547eb4a60a19811bc8784f159d97ceceef1841f074ff765cdbd","cross_cats_sorted":["gr-qc","hep-ph","math-ph","math.MP","nlin.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-07-07T19:57:16Z","title_canon_sha256":"b99acf71b9363d553a474e7118a9ccd0f60eba8a5ae3badf78069efa0a147ac3"},"schema_version":"1.0","source":{"id":"1307.1910","kind":"arxiv","version":3}},"canonical_sha256":"09f33f06e80ab75aaf2258e8d96fba7d088b8ec2e9b7f4ee747a6202c5df76ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09f33f06e80ab75aaf2258e8d96fba7d088b8ec2e9b7f4ee747a6202c5df76ec","first_computed_at":"2026-05-18T01:48:58.952779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:58.952779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H1f7KFZ5PDKAgAQQnrbfV8vuBes5dY3DpRwsQYbjp5lw1uBDgRGmJLYVfYonePFkP37ZNhGeH4FBHXJkOAJxDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:58.953438Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.1910","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:392ecc5d32c82b85abc67a64a0945297c761043453152f9a908dbc2707767a81","sha256:9ffb9c540029ab6f049bd6080cb3cbd4f40cc155ba38c1d7aaa3a184575f5a6e"],"state_sha256":"c069ad253ac6669730e95097c4b0e2ca23a57af21fbf6524595eb9d453570dfd"}