{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4IW7XHOVX6FLVCFDJ3NSADBK5J","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":"d9475054f726bb1aaa50986dfc041203d9b5bc8f49e33ebafc34e027f46d1615","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-04-01T12:42:55Z","title_canon_sha256":"fa81f61ca674348ca5ea010c8f63074ea80d259fcebe0ae9851c71325e75da0a"},"schema_version":"1.0","source":{"id":"2204.02186","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.02186","created_at":"2026-07-05T04:48:47Z"},{"alias_kind":"arxiv_version","alias_value":"2204.02186v2","created_at":"2026-07-05T04:48:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.02186","created_at":"2026-07-05T04:48:47Z"},{"alias_kind":"pith_short_12","alias_value":"4IW7XHOVX6FL","created_at":"2026-07-05T04:48:47Z"},{"alias_kind":"pith_short_16","alias_value":"4IW7XHOVX6FLVCFD","created_at":"2026-07-05T04:48:47Z"},{"alias_kind":"pith_short_8","alias_value":"4IW7XHOV","created_at":"2026-07-05T04:48:47Z"}],"graph_snapshots":[{"event_id":"sha256:b7175541871578b151f14d690da68ff131b73a8670fc5cc2d469bb97ffe2879e","target":"graph","created_at":"2026-07-05T04:48:47Z","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/2204.02186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The baryon acoustic oscillation (BAO) peak, seen in the cosmic matter distribution at redshifts up to ~3.5, reflects the continued expansion of the sonic horizon first identified in temperature anisotropies of the cosmic microwave background. The BAO peak position can now be measured to better than ~1% accuracy using galaxies, and ~1.4-1.6% precision with Ly-alpha forrests and the clustering of quasars. In conjunction with the Alcock-Paczy\\'nski (AP) effect, which arises from the changing ratio of angular to spatial/redshift size of (presumed) spherically-symmetric source distributions with di","authors_text":"F. Melia, M. Lopez-Corredoira","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-04-01T12:42:55Z","title":"Model Selection using Baryon Acoustic Oscillations in the Final SDSS-IV Release"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.02186","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:e53b677f09bf01a1d4f26234ca12a2bfa9fd9807f9ff26a7885d02512626fd71","target":"record","created_at":"2026-07-05T04:48:47Z","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":"d9475054f726bb1aaa50986dfc041203d9b5bc8f49e33ebafc34e027f46d1615","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-04-01T12:42:55Z","title_canon_sha256":"fa81f61ca674348ca5ea010c8f63074ea80d259fcebe0ae9851c71325e75da0a"},"schema_version":"1.0","source":{"id":"2204.02186","kind":"arxiv","version":2}},"canonical_sha256":"e22dfb9dd5bf8aba88a34edb200c2aea6c7a5c639a080db8f8a3b5290ea6fd5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e22dfb9dd5bf8aba88a34edb200c2aea6c7a5c639a080db8f8a3b5290ea6fd5c","first_computed_at":"2026-07-05T04:48:47.304005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:48:47.304005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8EqjTQc0uqnOBSmRA8NVobrsho791Aq7elFwHhIc9UdciDblCssahTKS8Ypx2XasCqQR2dNkfVWbZJMB22FfAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:48:47.304419Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.02186","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e53b677f09bf01a1d4f26234ca12a2bfa9fd9807f9ff26a7885d02512626fd71","sha256:b7175541871578b151f14d690da68ff131b73a8670fc5cc2d469bb97ffe2879e"],"state_sha256":"d1315c527c8d7fe9a477f4219bf0d4bbf2d53c62d09b6d00833b631b01bbef09"}