{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:A3PFSMICSND6HD4KHDXIYYCE7N","short_pith_number":"pith:A3PFSMIC","schema_version":"1.0","canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","source":{"kind":"arxiv","id":"1402.2290","version":1},"attestation_state":"computed","paper":{"title":"Radio Galaxy populations and the multi-tracer technique: pushing the limits on primordial non-Gaussianity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Luis D. Ferramacho, Mario G. Santos, Matt J. Jarvis, Stefano Camera","submitted_at":"2014-02-10T21:00:23Z","abstract_excerpt":"We explore the use of different radio galaxy populations as tracers of different mass halos and therefore, with different bias properties, to constrain primordial non-Gaussianity of the local type. We perform a Fisher matrix analysis based on the predicted auto and cross angular power spectra of these populations, using simulated redshift distributions as a function of detection flux and the evolution of the bias for the different galaxy types (Star forming galaxies, Starburst galaxies, Radio-Quiet Quasars, FRI and FRII AGN galaxies). We show that such a multi-tracer analysis greatly improves "},"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":"1402.2290","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-02-10T21:00:23Z","cross_cats_sorted":[],"title_canon_sha256":"e586ee1890ac99d9c732ec9e4688cdfbc057cc3b557faee9ad59c2e529948aca","abstract_canon_sha256":"7f87b32cb9e505cd9912bd3158c88dbe9be5d379ab2191a82fcde05b36227902"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:45.715091Z","signature_b64":"Zqb6/a0bCfs+8GnJ5TJ9q0CjlMOEWbKsp3jpsOCel8G+s00KuriQWF/fTTt/tuthrwdzU6HMHeL31y4lVtrOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","last_reissued_at":"2026-05-18T01:44:45.714555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:45.714555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radio Galaxy populations and the multi-tracer technique: pushing the limits on primordial non-Gaussianity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Luis D. Ferramacho, Mario G. Santos, Matt J. Jarvis, Stefano Camera","submitted_at":"2014-02-10T21:00:23Z","abstract_excerpt":"We explore the use of different radio galaxy populations as tracers of different mass halos and therefore, with different bias properties, to constrain primordial non-Gaussianity of the local type. We perform a Fisher matrix analysis based on the predicted auto and cross angular power spectra of these populations, using simulated redshift distributions as a function of detection flux and the evolution of the bias for the different galaxy types (Star forming galaxies, Starburst galaxies, Radio-Quiet Quasars, FRI and FRII AGN galaxies). We show that such a multi-tracer analysis greatly improves "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2290","kind":"arxiv","version":1},"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":"1402.2290","created_at":"2026-05-18T01:44:45.714627+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.2290v1","created_at":"2026-05-18T01:44:45.714627+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2290","created_at":"2026-05-18T01:44:45.714627+00:00"},{"alias_kind":"pith_short_12","alias_value":"A3PFSMICSND6","created_at":"2026-05-18T12:28:19.803747+00:00"},{"alias_kind":"pith_short_16","alias_value":"A3PFSMICSND6HD4K","created_at":"2026-05-18T12:28:19.803747+00:00"},{"alias_kind":"pith_short_8","alias_value":"A3PFSMIC","created_at":"2026-05-18T12:28:19.803747+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.20992","citing_title":"Constraints on primordial non-Gaussianity from Quaia","ref_index":11,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N","json":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N.json","graph_json":"https://pith.science/api/pith-number/A3PFSMICSND6HD4KHDXIYYCE7N/graph.json","events_json":"https://pith.science/api/pith-number/A3PFSMICSND6HD4KHDXIYYCE7N/events.json","paper":"https://pith.science/paper/A3PFSMIC"},"agent_actions":{"view_html":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N","download_json":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N.json","view_paper":"https://pith.science/paper/A3PFSMIC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.2290&json=true","fetch_graph":"https://pith.science/api/pith-number/A3PFSMICSND6HD4KHDXIYYCE7N/graph.json","fetch_events":"https://pith.science/api/pith-number/A3PFSMICSND6HD4KHDXIYYCE7N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/action/storage_attestation","attest_author":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/action/author_attestation","sign_citation":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/action/citation_signature","submit_replication":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/action/replication_record"}},"created_at":"2026-05-18T01:44:45.714627+00:00","updated_at":"2026-05-18T01:44:45.714627+00:00"}