{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KQILMLCZYAREUW35IW7BCJXJTL","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":"5207c99a19a653ea9b075aa2d299d84e3b027652187ff636f75f75ee7cd2061d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-09-16T01:45:59Z","title_canon_sha256":"34faee5b500741ad9521fe839513b950118cc45809e8230d594fc27f09065ccc"},"schema_version":"1.0","source":{"id":"1109.3514","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3514","created_at":"2026-05-18T01:20:59Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3514v3","created_at":"2026-05-18T01:20:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3514","created_at":"2026-05-18T01:20:59Z"},{"alias_kind":"pith_short_12","alias_value":"KQILMLCZYARE","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KQILMLCZYAREUW35","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KQILMLCZ","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:4ed1211083e6560b51b525dc86f0efb8cd45247ffe2b2d16ae43bc699f5fb532","target":"graph","created_at":"2026-05-18T01:20:59Z","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 study a classical, noncommutative (NC), Friedmann-Robertson-Walker cosmological model. The spatial sections may have positive, negative or zero constant curvatures. The matter content is a generic perfect fluid. The initial noncommutativity between some canonical variables is rewritten, such that, we end up with commutative variables and a NC parameter. Initially, we derive the scale factor dynamic equations for the general situation, without specifying the perfect fluid or the curvature of the spatial sections. Next, we consider two concrete situations: a radiation perfect fluid and dust. ","authors_text":"C. Neves, E. V. Corr\\^ea Silva, G. A. Monerat, G. Oliveira-Neto, L.G. Rezende Rodrigues, M. Silva de Oliveira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-09-16T01:45:59Z","title":"Can noncommutativity affect the whole history of the Universe?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3514","kind":"arxiv","version":3},"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":"sha256:850bcdc2df34a5c51a767f36b6b72902c4e1740e6a047c574866c39bbdb1acb5","target":"record","created_at":"2026-05-18T01:20:59Z","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":"5207c99a19a653ea9b075aa2d299d84e3b027652187ff636f75f75ee7cd2061d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-09-16T01:45:59Z","title_canon_sha256":"34faee5b500741ad9521fe839513b950118cc45809e8230d594fc27f09065ccc"},"schema_version":"1.0","source":{"id":"1109.3514","kind":"arxiv","version":3}},"canonical_sha256":"5410b62c59c0224a5b7d45be1126e99ada9ab46dcf84ed8062a9657aa8490a73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5410b62c59c0224a5b7d45be1126e99ada9ab46dcf84ed8062a9657aa8490a73","first_computed_at":"2026-05-18T01:20:59.663481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:59.663481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8mxyKLJS1cCMmzGirOMkNBe8yb9jVZbnQ3FGrJeQNzO7BU3t7PgT+P7f9gy9d34O1WiuPri6BQ9tF3R0afr+CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:59.664145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3514","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:850bcdc2df34a5c51a767f36b6b72902c4e1740e6a047c574866c39bbdb1acb5","sha256:4ed1211083e6560b51b525dc86f0efb8cd45247ffe2b2d16ae43bc699f5fb532"],"state_sha256":"189eb5f70b96ba096802c611208fc1fecf33538ba6412707dff8c302397282f5"}