{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:GVF2PMGIAU2KNIIYXEUNESVIIS","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":"0d994c75aa7f38d7eb90ed9f78c5c90fc758e1286945feedb7cca596c902f597","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-30T06:19:07Z","title_canon_sha256":"b5fd3742468068c3c6971faa37fff441fbdd1b1dbe7c6736de0dc73173b293ae"},"schema_version":"1.0","source":{"id":"1008.5010","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.5010","created_at":"2026-05-18T04:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"1008.5010v3","created_at":"2026-05-18T04:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5010","created_at":"2026-05-18T04:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"GVF2PMGIAU2K","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"GVF2PMGIAU2KNIIY","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"GVF2PMGI","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:db8efbfe2d8ff296fc90b793c4ae86962800a9099473047c926cb9b2dd85d479","target":"graph","created_at":"2026-05-18T04:16:53Z","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 apply the Union2 compilation of 557 supernova Ia data, the baryon acoustic oscillation measurement of distance, the cosmic microwave background radiation data from the seven year Wilkinson Microwave Anisotropy Probe, and the Hubble parameter data to study the geometry of the Universe and the property of dark energy by using models and parametrizations with different high redshift behaviours of $w(z)$. We find that $\\Lambda$CDM model is consistent with current data, that the Dvali-Gabadadze-Porrati model is excluded by the data at more than $3\\sigma$ level, that the Universe is almost flat, ","authors_text":"Xiao-ming Zhu, Yungui Gong, Zong-Hong Zhu","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-30T06:19:07Z","title":"Current cosmological constraints on the curvature, dark energy and modified gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5010","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":"sha256:105db8ab8cfe075e6d2967d4c17abb1688f18c3dc385afede327a3fec3c0ed4a","target":"record","created_at":"2026-05-18T04:16:53Z","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":"0d994c75aa7f38d7eb90ed9f78c5c90fc758e1286945feedb7cca596c902f597","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-30T06:19:07Z","title_canon_sha256":"b5fd3742468068c3c6971faa37fff441fbdd1b1dbe7c6736de0dc73173b293ae"},"schema_version":"1.0","source":{"id":"1008.5010","kind":"arxiv","version":3}},"canonical_sha256":"354ba7b0c80534a6a118b928d24aa844bb436c8dd82a9118f7587edc61c3de05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"354ba7b0c80534a6a118b928d24aa844bb436c8dd82a9118f7587edc61c3de05","first_computed_at":"2026-05-18T04:16:53.598393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:53.598393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FuJrTEqqQfe7ZyMdKDtFWTUO6qhXnO9wzUTNFcIeadYd2ybn0T0t4c0uckLLhK2bpOfbWvzSyrgPe2oMpWerAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:53.599016Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.5010","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:105db8ab8cfe075e6d2967d4c17abb1688f18c3dc385afede327a3fec3c0ed4a","sha256:db8efbfe2d8ff296fc90b793c4ae86962800a9099473047c926cb9b2dd85d479"],"state_sha256":"1a14185a48abb549d92a31e1e07eeb07e44a6b1b2128e632d70554007aa614f5"}