{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GX7AAAAXFMKOEXQFMJD5HLCC5S","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":"609f34a53153577cb692e61c491db78e29df69f3da3f3c1b8e6c846e40ed1a2d","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-19T16:03:08Z","title_canon_sha256":"25b116715c5985372980ff539cef73254f86108a0db6fe7deb1d8546bf056f36"},"schema_version":"1.0","source":{"id":"1709.06497","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06497","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06497v2","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06497","created_at":"2026-05-18T00:27:43Z"},{"alias_kind":"pith_short_12","alias_value":"GX7AAAAXFMKO","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GX7AAAAXFMKOEXQF","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GX7AAAAX","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:9fc51db2225fe3f73350ddd980157e391737ea49bd40d2abc3c4f5b9444ca332","target":"graph","created_at":"2026-05-18T00:27:43Z","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 recently formulated a model of the universe based on an underlying W3-symmetry. It allows the creation of the universe from nothing and the creation of baby universes and wormholes for spacetimes of dimension 2, 3, 4, 6 and 10. Here we show that the classical large time and large space limit of these universes is one of exponential fast expansion without the need of a cosmological constant. Under a number of simplifying assumptions our model predicts that w=-1.2 in the case of four-dimensional spacetime. The possibility of obtaining a w-value less than -1 is linked to the ability of our mod","authors_text":"J. Ambjorn, Y. Watabiki","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-19T16:03:08Z","title":"A modified Friedmann equation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06497","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":"sha256:4f48136dc3e80a046d8d9d2d89ac6dde4cdc60f9724acbd124c718bdf67d040e","target":"record","created_at":"2026-05-18T00:27:43Z","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":"609f34a53153577cb692e61c491db78e29df69f3da3f3c1b8e6c846e40ed1a2d","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-19T16:03:08Z","title_canon_sha256":"25b116715c5985372980ff539cef73254f86108a0db6fe7deb1d8546bf056f36"},"schema_version":"1.0","source":{"id":"1709.06497","kind":"arxiv","version":2}},"canonical_sha256":"35fe0000172b14e25e056247d3ac42ecac759265bcfdf37a4605d56c905d9fd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35fe0000172b14e25e056247d3ac42ecac759265bcfdf37a4605d56c905d9fd9","first_computed_at":"2026-05-18T00:27:43.336259Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:43.336259Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fIK51Vx4erQPGrPwQ+z2d4euFdzA7bpmKEk3HiNewHrqOonYSHJAf9qlxD+8K71vPDW43pjZTk0Vso/lnXQdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:43.336893Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.06497","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f48136dc3e80a046d8d9d2d89ac6dde4cdc60f9724acbd124c718bdf67d040e","sha256:9fc51db2225fe3f73350ddd980157e391737ea49bd40d2abc3c4f5b9444ca332"],"state_sha256":"a89dfda1880997ffc0647f54354c1885355dac4ab7519cde35ca7296abb4bc14"}