{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GTDA2CSNDQNGJ2AWJ5NIDXVUGO","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":"54475f13983ca3fb2a8fd0a678a0a0f3b6d49decc56f65a4a30511a6633c4f82","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-08-17T14:19:24Z","title_canon_sha256":"7d419223ba8f14dd8b4ee58999687579b441d871be9be2324146ddd25496166c"},"schema_version":"1.0","source":{"id":"1708.05303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.05303","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"arxiv_version","alias_value":"1708.05303v1","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.05303","created_at":"2026-05-18T00:27:13Z"},{"alias_kind":"pith_short_12","alias_value":"GTDA2CSNDQNG","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GTDA2CSNDQNGJ2AW","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GTDA2CSN","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:12cc9bbbbd3bd12b2a8ee533274471697dd28eaf9406672e7db1aafc755e573c","target":"graph","created_at":"2026-05-18T00:27:13Z","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":"In order to best improve constraints on cosmological parameters and on models of modified gravity using current and future galaxy surveys it is necessary maximally exploit the available data. As redshift-space distortions mean statistical translation invariance is broken for galaxy observations, this will require measurement of the monopole, quadrupole and hexadecapole of not just the galaxy power spectrum, but also the galaxy bispectrum. A recent (2015) paper by Scoccimarro demonstrated how the standard bispectrum estimator may be expressed in terms of Fast Fourier Transforms (FFTs) to afford","authors_text":"Donough Regan","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-08-17T14:19:24Z","title":"An Inventory of Bispectrum Estimators for Redshift Space Distortions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.05303","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:b9f1a29790fee9fadce9ec4f89ef1bd25deca3001d993ba19fb5063c45ddcb6b","target":"record","created_at":"2026-05-18T00:27:13Z","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":"54475f13983ca3fb2a8fd0a678a0a0f3b6d49decc56f65a4a30511a6633c4f82","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-08-17T14:19:24Z","title_canon_sha256":"7d419223ba8f14dd8b4ee58999687579b441d871be9be2324146ddd25496166c"},"schema_version":"1.0","source":{"id":"1708.05303","kind":"arxiv","version":1}},"canonical_sha256":"34c60d0a4d1c1a64e8164f5a81deb433907071581e37b41d4663cefff74c7a43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34c60d0a4d1c1a64e8164f5a81deb433907071581e37b41d4663cefff74c7a43","first_computed_at":"2026-05-18T00:27:13.133092Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:13.133092Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rk9Qr9jdXwAjSgotu2i69/9tOn52zN3KbZnVC2VjWXgzXeh4Lc8FshWGB3zDBHcZLSsE6sai1Kl5Cmp2DzIBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:13.133606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.05303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9f1a29790fee9fadce9ec4f89ef1bd25deca3001d993ba19fb5063c45ddcb6b","sha256:12cc9bbbbd3bd12b2a8ee533274471697dd28eaf9406672e7db1aafc755e573c"],"state_sha256":"4586a00e85e033ff43f280fb6fa0773bae60d433742d44d539bd1f4fdfa17a65"}