{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:GYTWFDBTLIWOCRG33OETZBMV2G","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":"80cac84a2276d1189d87dc9fc736d44a44845b32df3f6120eb5e8575fecc45bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-12T19:33:00Z","title_canon_sha256":"1b219e0cdce2ad56b7dd65e4077feae96bb90a670050632dc4c077a27261416b"},"schema_version":"1.0","source":{"id":"1406.3330","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3330","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3330v1","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3330","created_at":"2026-05-18T02:30:40Z"},{"alias_kind":"pith_short_12","alias_value":"GYTWFDBTLIWO","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"GYTWFDBTLIWOCRG3","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"GYTWFDBT","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:08d450b1432b0226d643cbe6fdae2421e0c7ff53fa648f76c70c806a0d845d6e","target":"graph","created_at":"2026-05-18T02:30:40Z","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":"Naive estimates of the statistics of large scale structure and weak lensing power spectrum measurements that include only Gaussian errors exaggerate their scientific impact. Non-linear evolution and finite volume effects are both significant sources of non-Gaussian covariance that reduce the ability of power spectrum measurements to constrain cosmological parameters. Using a halo model formalism, we derive an intuitive understanding of the various contributions to the covariance and show that our analytical treatment agrees with simulations. This approach enables an approximate derivation of a","authors_text":"David N. Spergel, Emmanuel Schaan, Masahiro Takada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-12T19:33:00Z","title":"Joint likelihood function of cluster counts and $n$-point correlation functions: Improving their power through including halo sample variance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3330","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:a0b772f52d105366e517e2f912b28a9a0d37b47a4789c053b0a996bfa430b7af","target":"record","created_at":"2026-05-18T02:30:40Z","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":"80cac84a2276d1189d87dc9fc736d44a44845b32df3f6120eb5e8575fecc45bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-06-12T19:33:00Z","title_canon_sha256":"1b219e0cdce2ad56b7dd65e4077feae96bb90a670050632dc4c077a27261416b"},"schema_version":"1.0","source":{"id":"1406.3330","kind":"arxiv","version":1}},"canonical_sha256":"3627628c335a2ce144dbdb893c8595d19ee49f563e82e6ab8352ae09ddf348d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3627628c335a2ce144dbdb893c8595d19ee49f563e82e6ab8352ae09ddf348d7","first_computed_at":"2026-05-18T02:30:40.235870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:40.235870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XSoXSYn5CMwNms2PyNl1SOD/c3Cb3hIQORLSccGqMOs8fCqa5J80UkqrpI8Ovk4/sbqVAs4M5PpEWA4ccnbgAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:40.236309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.3330","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0b772f52d105366e517e2f912b28a9a0d37b47a4789c053b0a996bfa430b7af","sha256:08d450b1432b0226d643cbe6fdae2421e0c7ff53fa648f76c70c806a0d845d6e"],"state_sha256":"0b018720c6c5071e00404a3433d9c83ccf7448c8efb1a27c511eddd9bbe418fe"}