{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HGPWCNEAYMIPGNFBWPC6ZIRMGG","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":"4f0f0e1aacbe484505721674cb8b8ec75ea796399795291b73cab241f55f658d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-17T01:50:31Z","title_canon_sha256":"829281ff99e5b1756120994f76ca13de0ad8d3182204b45b44606558701f0c4b"},"schema_version":"1.0","source":{"id":"1006.3353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.3353","created_at":"2026-05-18T04:30:48Z"},{"alias_kind":"arxiv_version","alias_value":"1006.3353v1","created_at":"2026-05-18T04:30:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3353","created_at":"2026-05-18T04:30:48Z"},{"alias_kind":"pith_short_12","alias_value":"HGPWCNEAYMIP","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HGPWCNEAYMIPGNFB","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HGPWCNEA","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:484284d92f8cf9edae94e4f20ae13b6ae68f7da4d08407b446fec36ef3f80670","target":"graph","created_at":"2026-05-18T04:30:48Z","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 use the redshift Hubble parameter $H(z)$ data derived from relative galaxy ages, distant type Ia supernovae (SNe Ia), the Baryonic Acoustic Oscillation (BAO) peak, and the Cosmic Microwave Background (CMB) shift parameter data, to constrain cosmological parameters in the Undulant Universe. We marginalize the likelihood functions over $h$ by integrating the probability density $P\\propto e^{-\\chi^2/2}$. By using the Markov Chain Monte Carlo (MCMC) technique, we obtain the best fitting results and give the confidence regions on the $b-\\Omega_{\\rm m0}$ plane. Then we compare their constraints. ","authors_text":"Hao-Yi Wan, Tian Lan, Tong-Jie Zhang, Yan Gong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-17T01:50:31Z","title":"Cosmological Constraints on the Undulant Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3353","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":"sha256:5b41c446958b6f973f4edda3d4d8dd209c12442f2d69f534e2ca35fae00c6b5f","target":"record","created_at":"2026-05-18T04:30:48Z","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":"4f0f0e1aacbe484505721674cb8b8ec75ea796399795291b73cab241f55f658d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-17T01:50:31Z","title_canon_sha256":"829281ff99e5b1756120994f76ca13de0ad8d3182204b45b44606558701f0c4b"},"schema_version":"1.0","source":{"id":"1006.3353","kind":"arxiv","version":1}},"canonical_sha256":"399f613480c310f334a1b3c5eca22c3182b0915fa7ad98e40859e96c554b6383","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"399f613480c310f334a1b3c5eca22c3182b0915fa7ad98e40859e96c554b6383","first_computed_at":"2026-05-18T04:30:48.403011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:48.403011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c+zZjDW71zpycXDrMRAPRaYWBPTX6RBmHlVRmnIX4EqXX0jFKt+SnADIZukGDxeRVGyOz+KuC6VGYgTvvXarAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:48.403462Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.3353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b41c446958b6f973f4edda3d4d8dd209c12442f2d69f534e2ca35fae00c6b5f","sha256:484284d92f8cf9edae94e4f20ae13b6ae68f7da4d08407b446fec36ef3f80670"],"state_sha256":"c29628cf153e5eeb1a6f472fc4aba634910be6bc67decccfcea6d5a3dd2e0ce4"}