{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:CK6ZX2C3GKYESWMLRBE7U4DI2B","short_pith_number":"pith:CK6ZX2C3","schema_version":"1.0","canonical_sha256":"12bd9be85b32b049598b8849fa7068d06fef7b9a03fa4a8fbdbbbfec81323a5f","source":{"kind":"arxiv","id":"1405.3660","version":2},"attestation_state":"computed","paper":{"title":"3-dimensional spherical analyses of cosmological spectroscopic surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam Amara, Alexandre Refregier, Andrina Nicola, Aseem Paranjape (ETH Zurich)","submitted_at":"2014-05-14T20:00:22Z","abstract_excerpt":"Spectroscopic redshift surveys offer great prospects for constraining the dark sector in cosmology. Future surveys will however be both deep and wide and will thus require an analysis in 3-dimensional spherical geometry. We review and compare several methods which have been proposed in the literature for this purpose, focusing in particular on implementations of the spherical harmonic tomography (SHT) power spectrum $C^{i j}_{l}$ and the spherical Fourier Bessel (SFB) power spectrum $C_{l} (k, k')$. Using a Fisher analysis, we compare the forecasted constraints on cosmological parameters using"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1405.3660","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-14T20:00:22Z","cross_cats_sorted":[],"title_canon_sha256":"66c98904e0cab83e4b5e282a2cc6c8a31a204df5fb6a7b839a1b019160c44089","abstract_canon_sha256":"4102d4dd0647c836df0e4aa227ff5b86fc06441bfe84af044be6130e75a4496f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:12.361998Z","signature_b64":"E9THOm85jcHAYGpQ/OkKHQJqhhzmrH5oakH6jtxB4vBpyM5amEv+hojnN7eQk2x7zfS02+yvcNoDoz7J2jt0Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"12bd9be85b32b049598b8849fa7068d06fef7b9a03fa4a8fbdbbbfec81323a5f","last_reissued_at":"2026-05-18T01:43:12.361436Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:12.361436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"3-dimensional spherical analyses of cosmological spectroscopic surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam Amara, Alexandre Refregier, Andrina Nicola, Aseem Paranjape (ETH Zurich)","submitted_at":"2014-05-14T20:00:22Z","abstract_excerpt":"Spectroscopic redshift surveys offer great prospects for constraining the dark sector in cosmology. Future surveys will however be both deep and wide and will thus require an analysis in 3-dimensional spherical geometry. We review and compare several methods which have been proposed in the literature for this purpose, focusing in particular on implementations of the spherical harmonic tomography (SHT) power spectrum $C^{i j}_{l}$ and the spherical Fourier Bessel (SFB) power spectrum $C_{l} (k, k')$. Using a Fisher analysis, we compare the forecasted constraints on cosmological parameters using"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.3660","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1405.3660","created_at":"2026-05-18T01:43:12.361505+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.3660v2","created_at":"2026-05-18T01:43:12.361505+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.3660","created_at":"2026-05-18T01:43:12.361505+00:00"},{"alias_kind":"pith_short_12","alias_value":"CK6ZX2C3GKYE","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"CK6ZX2C3GKYESWML","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"CK6ZX2C3","created_at":"2026-05-18T12:28:22.404517+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B","json":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B.json","graph_json":"https://pith.science/api/pith-number/CK6ZX2C3GKYESWMLRBE7U4DI2B/graph.json","events_json":"https://pith.science/api/pith-number/CK6ZX2C3GKYESWMLRBE7U4DI2B/events.json","paper":"https://pith.science/paper/CK6ZX2C3"},"agent_actions":{"view_html":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B","download_json":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B.json","view_paper":"https://pith.science/paper/CK6ZX2C3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.3660&json=true","fetch_graph":"https://pith.science/api/pith-number/CK6ZX2C3GKYESWMLRBE7U4DI2B/graph.json","fetch_events":"https://pith.science/api/pith-number/CK6ZX2C3GKYESWMLRBE7U4DI2B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B/action/storage_attestation","attest_author":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B/action/author_attestation","sign_citation":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B/action/citation_signature","submit_replication":"https://pith.science/pith/CK6ZX2C3GKYESWMLRBE7U4DI2B/action/replication_record"}},"created_at":"2026-05-18T01:43:12.361505+00:00","updated_at":"2026-05-18T01:43:12.361505+00:00"}