{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:F3L5XHBVJ2BD3YQGJNF7DXCDD5","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":"46c7ac56d781ddeedc9011cf9922fd6eb4cd9847744df1f216611442ae927e1b","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1998-12-16T00:38:43Z","title_canon_sha256":"5794ca711e618fb82d7fc161d6a940b24e0b7df37b7d5d3cb1b92567261cd40d"},"schema_version":"1.0","source":{"id":"hep-th/9812129","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/9812129","created_at":"2026-07-04T16:10:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/9812129v1","created_at":"2026-07-04T16:10:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/9812129","created_at":"2026-07-04T16:10:06Z"},{"alias_kind":"pith_short_12","alias_value":"F3L5XHBVJ2BD","created_at":"2026-07-04T16:10:06Z"},{"alias_kind":"pith_short_16","alias_value":"F3L5XHBVJ2BD3YQG","created_at":"2026-07-04T16:10:06Z"},{"alias_kind":"pith_short_8","alias_value":"F3L5XHBV","created_at":"2026-07-04T16:10:06Z"}],"graph_snapshots":[{"event_id":"sha256:5cbbfc32756699126483fa4e457cca1175391e84fddedee2685f99927a1f8783","target":"graph","created_at":"2026-07-04T16:10:06Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-th/9812129/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is shown that a simple model for 4-dimensional quantum gravity based on a 3-dimensional generalization of anyon superconductivity can be regarded as a discrete form of Polyakov's string theory. This suggests that there is a universal negative pressure that is on the order of the string tension divided by the square of the Robertson-Walker scale factor. This is in accord with recent observations of the brightness of distant supernovae, which suggest that at the present time there is a vacuum energy whose magnitude is close to the mass density of an Einstein-de Sitter universe.","authors_text":"George Chapline","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"1998-12-16T00:38:43Z","title":"The Vacuum Energy in a Condensate Model for Spacetime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/9812129","kind":"arxiv","version":1},"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":"sha256:54a7a7ba8e9373c7015b24f6163e27d00107041aee3d6e92d85f895f251010d5","target":"record","created_at":"2026-07-04T16:10:06Z","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":"46c7ac56d781ddeedc9011cf9922fd6eb4cd9847744df1f216611442ae927e1b","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"1998-12-16T00:38:43Z","title_canon_sha256":"5794ca711e618fb82d7fc161d6a940b24e0b7df37b7d5d3cb1b92567261cd40d"},"schema_version":"1.0","source":{"id":"hep-th/9812129","kind":"arxiv","version":1}},"canonical_sha256":"2ed7db9c354e823de2064b4bf1dc431f4e8c005a20f693b9246d7f91720c8df3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ed7db9c354e823de2064b4bf1dc431f4e8c005a20f693b9246d7f91720c8df3","first_computed_at":"2026-07-04T16:10:06.429339Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:10:06.429339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6o8RCbwoW+M7qkMAKu/qNqPh7GqyQJNoAfjg1siuflJ1N+oWfm2Kwlm54Zz2ZS570TPwCanjhkYQCcGtX5JJDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:10:06.429745Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/9812129","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54a7a7ba8e9373c7015b24f6163e27d00107041aee3d6e92d85f895f251010d5","sha256:5cbbfc32756699126483fa4e457cca1175391e84fddedee2685f99927a1f8783"],"state_sha256":"7d0ff436aac563c0eec86a706a9588fcbd943d01c744c28f9f3f273c766bed47"}