{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:57SB5LF6OIHN4TJWHOPM5N2JYV","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":"79a5c277f6f0360b7eadc0cb2bd88d4a01ccfa0d42a2462624ddd7a7e2ef094b","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-09-05T18:17:44Z","title_canon_sha256":"7b7dbabbff148dec9b157dc29be8072dd483a7ff4b2b4a60c0caf1de5da5f713"},"schema_version":"1.0","source":{"id":"1209.1068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.1068","created_at":"2026-05-18T03:46:06Z"},{"alias_kind":"arxiv_version","alias_value":"1209.1068v2","created_at":"2026-05-18T03:46:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.1068","created_at":"2026-05-18T03:46:06Z"},{"alias_kind":"pith_short_12","alias_value":"57SB5LF6OIHN","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"57SB5LF6OIHN4TJW","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"57SB5LF6","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:62d3e433e43195baf5309cf8c36eb91eef33999ccb845f5076e908e0c4da1f12","target":"graph","created_at":"2026-05-18T03:46:06Z","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 unique description of the Big Crunch-Big Bang transition is given at the classical gravity level, along with a complete set of homogeneous, isotropic, analytic solutions in scalar-tensor cosmology, with radiation and curvature. All solutions repeat cyclically; they have been obtained by using conformal gauge symmetry (Weyl symmetry) as a powerful tool in cosmology, and more generally in gravity. The significance of the Big Crunch-Big Bang transition is that it provides a model independent analytic resolution of the singularity, as an unambiguous and unavoidable solution of the equations at t","authors_text":"Itzhak Bars","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-09-05T18:17:44Z","title":"Traversing Cosmological Singularities, Complete Journeys Through Spacetime Including Antigravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.1068","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:b8cf867b6e381e656eaca442e93ff4a41e4e4f308e58e11a2710339fa84bc460","target":"record","created_at":"2026-05-18T03:46:06Z","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":"79a5c277f6f0360b7eadc0cb2bd88d4a01ccfa0d42a2462624ddd7a7e2ef094b","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-09-05T18:17:44Z","title_canon_sha256":"7b7dbabbff148dec9b157dc29be8072dd483a7ff4b2b4a60c0caf1de5da5f713"},"schema_version":"1.0","source":{"id":"1209.1068","kind":"arxiv","version":2}},"canonical_sha256":"efe41eacbe720ede4d363b9eceb749c5431795970da6abf82544d2c7ef16ca29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"efe41eacbe720ede4d363b9eceb749c5431795970da6abf82544d2c7ef16ca29","first_computed_at":"2026-05-18T03:46:06.549175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:06.549175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fuDG0brGu8DMqDcvOG8i5+L9/Zbjdizb8RyA54xnQbfE4VBcBi+5IWHyIfkLka3KG17L8yzMXnA4q0knoKnKDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:06.550036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.1068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b8cf867b6e381e656eaca442e93ff4a41e4e4f308e58e11a2710339fa84bc460","sha256:62d3e433e43195baf5309cf8c36eb91eef33999ccb845f5076e908e0c4da1f12"],"state_sha256":"7e2fee58cb881e3ff17cf17cb88889b0aec1cda451f2a2c145bd1372e4849ae9"}