{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:C6NU4FGEABUBTCXJIQ6ATYLXSV","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":"59a866a7c96278eb715a2b6a88aa856b1a3095208430747452b3690ee9634b5e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-02T23:12:25Z","title_canon_sha256":"977a4046fa138ca47026e1ae2b375547ef45e2b8c7fd67449af4ca82161838a6"},"schema_version":"1.0","source":{"id":"1602.01152","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01152","created_at":"2026-05-18T01:21:10Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01152v2","created_at":"2026-05-18T01:21:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01152","created_at":"2026-05-18T01:21:10Z"},{"alias_kind":"pith_short_12","alias_value":"C6NU4FGEABUB","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C6NU4FGEABUBTCXJ","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C6NU4FGE","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:99cfbb5a8562176fb97f4ed6f10d0a6645782f86d0d3d9897492fabd0626f269","target":"graph","created_at":"2026-05-18T01:21:10Z","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 model for gravitational collapse where the event horizon is a quantum critical phase transition is extended to provide an explanation for the origin of the observable universe, where the expanding universe that we observe today was proceeded by a flat universe with a negative cosmological constant. In principal this allows one derive all the features of our universe from a single parameter: the magnitude of the pre-big bang negative vacuum energy density. In this paper a simple model for the big bang is introduced which allows us to relate the present day energy density and temperature fluct","authors_text":"George Chapline, James Barbieri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-02T23:12:25Z","title":"Was there a negative vacuum energy in your past?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01152","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:b59fba89e59791f7010b624e6ebe5d531f99338b45a2de7f8d5f5aeec9c8b488","target":"record","created_at":"2026-05-18T01:21:10Z","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":"59a866a7c96278eb715a2b6a88aa856b1a3095208430747452b3690ee9634b5e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-02-02T23:12:25Z","title_canon_sha256":"977a4046fa138ca47026e1ae2b375547ef45e2b8c7fd67449af4ca82161838a6"},"schema_version":"1.0","source":{"id":"1602.01152","kind":"arxiv","version":2}},"canonical_sha256":"179b4e14c40068198ae9443c09e177957d042521d28e811dcfa50f003aec4802","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"179b4e14c40068198ae9443c09e177957d042521d28e811dcfa50f003aec4802","first_computed_at":"2026-05-18T01:21:10.849375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:10.849375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k+nDBWjNKPSTUAGaJsQZTwJFcOiGfxywPPrdkKnQ19vXRebN2bKjWGQJxa+c3zy4HqZIXG+/ISyQiIE7PNImCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:10.850124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.01152","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b59fba89e59791f7010b624e6ebe5d531f99338b45a2de7f8d5f5aeec9c8b488","sha256:99cfbb5a8562176fb97f4ed6f10d0a6645782f86d0d3d9897492fabd0626f269"],"state_sha256":"9d56b90f9e37e5e84bc3e8caa43bd44c5fb586d64451d9d835c84db34176e5dd"}