{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:KUUKRT7HH7HIXIFNTH3QPOG2JY","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":"6b999b345fcb695c154af5951a79c6be041d60ebb601ad90190cbf97f74696a9","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2001-10-29T12:34:20Z","title_canon_sha256":"209e66c86b31d18daa2d0fc8b49f8c9f978370c629242c18b85dc96538c61e22"},"schema_version":"1.0","source":{"id":"gr-qc/0110120","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0110120","created_at":"2026-05-18T04:17:53Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0110120v2","created_at":"2026-05-18T04:17:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0110120","created_at":"2026-05-18T04:17:53Z"},{"alias_kind":"pith_short_12","alias_value":"KUUKRT7HH7HI","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"KUUKRT7HH7HIXIFN","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"KUUKRT7H","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:81a75c2902bb7e7caaa9dd54711c17bdc57d2ad5ac11ba5c6b125ee6a2a9f51e","target":"graph","created_at":"2026-05-18T04:17:53Z","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":"The scenario that the Universe contracts towards a big crunch and then undergoes a transition to expanding Universe in envisaged in the quantum string cosmology approach. The Wheeler-De Witt equation is solved exactly for an exponential dilaton potential. S-duality invariant cosmological effective action, for type IIB theory, is considered to derive classical solutions and solve WDW equations.","authors_text":"Jnanadeva Maharana","cross_cats":["astro-ph","hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2001-10-29T12:34:20Z","title":"From Big Crunch to Big Bang: A Quantum String Cosmology Perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0110120","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:a7f65900c63ba52d89a9c8a05f0874aeb73ac5d10bceb064ce427e5142bc5a4b","target":"record","created_at":"2026-05-18T04:17:53Z","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":"6b999b345fcb695c154af5951a79c6be041d60ebb601ad90190cbf97f74696a9","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2001-10-29T12:34:20Z","title_canon_sha256":"209e66c86b31d18daa2d0fc8b49f8c9f978370c629242c18b85dc96538c61e22"},"schema_version":"1.0","source":{"id":"gr-qc/0110120","kind":"arxiv","version":2}},"canonical_sha256":"5528a8cfe73fce8ba0ad99f707b8da4e04d061876b04a6cf841a3d5427bbfed9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5528a8cfe73fce8ba0ad99f707b8da4e04d061876b04a6cf841a3d5427bbfed9","first_computed_at":"2026-05-18T04:17:53.085332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:17:53.085332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+/ImC+PNbGFRN/d2DL/UUHza9M7MqEt3p9BAi0T9tEVEHdt+ORPX/XxYySbCUjr4T9FZd4/EJJdCWJQa6TLUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:17:53.085798Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0110120","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7f65900c63ba52d89a9c8a05f0874aeb73ac5d10bceb064ce427e5142bc5a4b","sha256:81a75c2902bb7e7caaa9dd54711c17bdc57d2ad5ac11ba5c6b125ee6a2a9f51e"],"state_sha256":"38f6137ef9d4df21d3302147b7601d17e215b6b73133b7c122d48c135554952c"}