{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:ULXGMC4YOBONGDYYWFU7VTHBHY","short_pith_number":"pith:ULXGMC4Y","schema_version":"1.0","canonical_sha256":"a2ee660b98705cd30f18b169facce13e2b10e51e38302a9ba38ab98e8809f58b","source":{"kind":"arxiv","id":"2106.07641","version":2},"attestation_state":"computed","paper":{"title":"ShapeFit: extracting the power spectrum shape information in galaxy surveys beyond BAO and RSD","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"H\\'ector Gil-Mar\\'in, Licia Verde, Samuel Brieden","submitted_at":"2021-06-14T17:58:29Z","abstract_excerpt":"In the standard (classic) approach, galaxy clustering measurements from spectroscopic surveys are compressed into baryon acoustic oscillations and redshift space distortions measurements, which in turn can be compared to cosmological models. Recent works have shown that avoiding this intermediate step and fitting directly the full power spectrum signal (full modelling) leads to much tighter constraints on cosmological parameters. Here we show where this extra information is coming from and extend the classic approach with one additional effective parameter, such that it captures, effectively, "},"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":"2106.07641","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-06-14T17:58:29Z","cross_cats_sorted":[],"title_canon_sha256":"9df3564f2586bb7f1ac1e8b2a95964bb0db0e598d63b6040b12cccd5afb2d189","abstract_canon_sha256":"f7e2d16312f1ecc5ddbee2895483d29b0bbb3b2da29eea38fba004c110e814a9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:43:42.048703Z","signature_b64":"AqWPZ1NJv/4BY6u8mR1HBIxFuZDkuIj0oaHrPBh/gc8H4UsAOt9IWbpVHzvWNph9BDAlqOeN2nNTfGoHJJLACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2ee660b98705cd30f18b169facce13e2b10e51e38302a9ba38ab98e8809f58b","last_reissued_at":"2026-07-05T03:43:42.048307Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:43:42.048307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ShapeFit: extracting the power spectrum shape information in galaxy surveys beyond BAO and RSD","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"H\\'ector Gil-Mar\\'in, Licia Verde, Samuel Brieden","submitted_at":"2021-06-14T17:58:29Z","abstract_excerpt":"In the standard (classic) approach, galaxy clustering measurements from spectroscopic surveys are compressed into baryon acoustic oscillations and redshift space distortions measurements, which in turn can be compared to cosmological models. Recent works have shown that avoiding this intermediate step and fitting directly the full power spectrum signal (full modelling) leads to much tighter constraints on cosmological parameters. Here we show where this extra information is coming from and extend the classic approach with one additional effective parameter, such that it captures, effectively, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.07641","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.07641/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2106.07641","created_at":"2026-07-05T03:43:42.048374+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.07641v2","created_at":"2026-07-05T03:43:42.048374+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.07641","created_at":"2026-07-05T03:43:42.048374+00:00"},{"alias_kind":"pith_short_12","alias_value":"ULXGMC4YOBON","created_at":"2026-07-05T03:43:42.048374+00:00"},{"alias_kind":"pith_short_16","alias_value":"ULXGMC4YOBONGDYY","created_at":"2026-07-05T03:43:42.048374+00:00"},{"alias_kind":"pith_short_8","alias_value":"ULXGMC4Y","created_at":"2026-07-05T03:43:42.048374+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":12,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.07777","citing_title":"The Status of Single Scalar Field Dark Energy","ref_index":159,"is_internal_anchor":true},{"citing_arxiv_id":"2606.27076","citing_title":"Spherical Collapse and Halo Formation in a Cosmology with Decaying Dark Matter and a Semi-Cosmographic Dark Energy","ref_index":45,"is_internal_anchor":false},{"citing_arxiv_id":"2606.23936","citing_title":"Cosmological constraints from the DESI DR1 Bispectrum Full-Shape and DR2 BAO","ref_index":27,"is_internal_anchor":false},{"citing_arxiv_id":"2606.20434","citing_title":"The Hubble tension: A decade review","ref_index":132,"is_internal_anchor":false},{"citing_arxiv_id":"2606.06591","citing_title":"Impact of fiducial cosmology in model-agnostic cosmological inference with the BAO feature","ref_index":14,"is_internal_anchor":false},{"citing_arxiv_id":"2606.31977","citing_title":"Constraining dark energy with complementary probes of large-scale structure","ref_index":70,"is_internal_anchor":false},{"citing_arxiv_id":"2411.12021","citing_title":"DESI 2024 V: Full-Shape Galaxy Clustering from Galaxies and Quasars","ref_index":132,"is_internal_anchor":false},{"citing_arxiv_id":"2411.12022","citing_title":"DESI 2024 VII: Cosmological Constraints from the Full-Shape Modeling of Clustering Measurements","ref_index":108,"is_internal_anchor":false},{"citing_arxiv_id":"2605.12415","citing_title":"Late-time reconstruction of non-minimally coupled gravity with a smoothness prior","ref_index":67,"is_internal_anchor":false},{"citing_arxiv_id":"2604.11694","citing_title":"Cosmological inference with halo clustering reconstructed from the redshift-space galaxy distribution","ref_index":35,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08895","citing_title":"FolpsD: combining EFT and phenomenological approaches for joint power spectrum and bispectrum analyses","ref_index":125,"is_internal_anchor":false},{"citing_arxiv_id":"2604.14504","citing_title":"Forecasting neutrino mass constraints from the Nancy Grace Roman Space Telescope","ref_index":60,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY","json":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY.json","graph_json":"https://pith.science/api/pith-number/ULXGMC4YOBONGDYYWFU7VTHBHY/graph.json","events_json":"https://pith.science/api/pith-number/ULXGMC4YOBONGDYYWFU7VTHBHY/events.json","paper":"https://pith.science/paper/ULXGMC4Y"},"agent_actions":{"view_html":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY","download_json":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY.json","view_paper":"https://pith.science/paper/ULXGMC4Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.07641&json=true","fetch_graph":"https://pith.science/api/pith-number/ULXGMC4YOBONGDYYWFU7VTHBHY/graph.json","fetch_events":"https://pith.science/api/pith-number/ULXGMC4YOBONGDYYWFU7VTHBHY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY/action/storage_attestation","attest_author":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY/action/author_attestation","sign_citation":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY/action/citation_signature","submit_replication":"https://pith.science/pith/ULXGMC4YOBONGDYYWFU7VTHBHY/action/replication_record"}},"created_at":"2026-07-05T03:43:42.048374+00:00","updated_at":"2026-07-05T03:43:42.048374+00:00"}