{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:QSPS5GLAMPE6657VSMHFX5C3OZ","short_pith_number":"pith:QSPS5GLA","schema_version":"1.0","canonical_sha256":"849f2e996063c9ef77f5930e5bf45b7648950deaea2bf463664d16aa133d4ac2","source":{"kind":"arxiv","id":"2501.14873","version":2},"attestation_state":"computed","paper":{"title":"Refining local-type primordial non-Gaussianity: Sharpened $b_\\phi$ constraints through bias expansion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Boryana Hadzhiyska, Simone Ferraro","submitted_at":"2025-01-24T19:02:49Z","abstract_excerpt":"Local-type primordial non-Gaussianity (PNG), predicted by many non-minimal models of inflation, creates a scale-dependent contribution to the power spectrum of large-scale structure (LSS) tracers. Its amplitude is characterized by the product $b_\\phi f_{\\rm NL}^{\\rm loc}$, where $b_\\phi$ is an astrophysical parameter dependent on the properties of the tracer. However, $b_\\phi$ exhibits significant secondary dependence on halo concentration and other astrophysical properties, which may bias and weaken the constraints on $f_{\\rm NL}^{\\rm loc}$. In this work, we demonstrate that incorporating kno"},"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":"2501.14873","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-01-24T19:02:49Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"4033bfce3174c4164c6485baee34a325883ef1f513389e6c1f1ffb8b7faa7a0a","abstract_canon_sha256":"11f8adde2ef006a535f4d7cce574153604c538cef8e83c689b0d0a3879c9ca0d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:47.960627Z","signature_b64":"QAT+JsjU8S8TkIhqy5DUXSPoc7L+GAZ1YQxmWjaicqo2vMzpEAqG5G3Csipn4W2IAEcMpnnJlxuSXla+TiexBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"849f2e996063c9ef77f5930e5bf45b7648950deaea2bf463664d16aa133d4ac2","last_reissued_at":"2026-07-05T10:07:47.960159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:47.960159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Refining local-type primordial non-Gaussianity: Sharpened $b_\\phi$ constraints through bias expansion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Boryana Hadzhiyska, Simone Ferraro","submitted_at":"2025-01-24T19:02:49Z","abstract_excerpt":"Local-type primordial non-Gaussianity (PNG), predicted by many non-minimal models of inflation, creates a scale-dependent contribution to the power spectrum of large-scale structure (LSS) tracers. Its amplitude is characterized by the product $b_\\phi f_{\\rm NL}^{\\rm loc}$, where $b_\\phi$ is an astrophysical parameter dependent on the properties of the tracer. However, $b_\\phi$ exhibits significant secondary dependence on halo concentration and other astrophysical properties, which may bias and weaken the constraints on $f_{\\rm NL}^{\\rm loc}$. In this work, we demonstrate that incorporating kno"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.14873","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/2501.14873/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":"2501.14873","created_at":"2026-07-05T10:07:47.960216+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.14873v2","created_at":"2026-07-05T10:07:47.960216+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.14873","created_at":"2026-07-05T10:07:47.960216+00:00"},{"alias_kind":"pith_short_12","alias_value":"QSPS5GLAMPE6","created_at":"2026-07-05T10:07:47.960216+00:00"},{"alias_kind":"pith_short_16","alias_value":"QSPS5GLAMPE6657V","created_at":"2026-07-05T10:07:47.960216+00:00"},{"alias_kind":"pith_short_8","alias_value":"QSPS5GLA","created_at":"2026-07-05T10:07:47.960216+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.01314","citing_title":"How I stop worrying about non-universality and $b_\\phi$: Constraining local $f_{\\rm NL}$ with $b_\\phi$ priors from HOD posteriors","ref_index":14,"is_internal_anchor":false},{"citing_arxiv_id":"2604.04867","citing_title":"Measurement of the galaxy-velocity power spectrum of DESI tracers with the kinematic Sunyaev-Zeldovich effect using DESI DR2 and ACT DR6","ref_index":70,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ","json":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ.json","graph_json":"https://pith.science/api/pith-number/QSPS5GLAMPE6657VSMHFX5C3OZ/graph.json","events_json":"https://pith.science/api/pith-number/QSPS5GLAMPE6657VSMHFX5C3OZ/events.json","paper":"https://pith.science/paper/QSPS5GLA"},"agent_actions":{"view_html":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ","download_json":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ.json","view_paper":"https://pith.science/paper/QSPS5GLA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.14873&json=true","fetch_graph":"https://pith.science/api/pith-number/QSPS5GLAMPE6657VSMHFX5C3OZ/graph.json","fetch_events":"https://pith.science/api/pith-number/QSPS5GLAMPE6657VSMHFX5C3OZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ/action/storage_attestation","attest_author":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ/action/author_attestation","sign_citation":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ/action/citation_signature","submit_replication":"https://pith.science/pith/QSPS5GLAMPE6657VSMHFX5C3OZ/action/replication_record"}},"created_at":"2026-07-05T10:07:47.960216+00:00","updated_at":"2026-07-05T10:07:47.960216+00:00"}