{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:A3PFSMICSND6HD4KHDXIYYCE7N","short_pith_number":"pith:A3PFSMIC","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"},"canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","source":{"kind":"arxiv","id":"1402.2290","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2290","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2290v1","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2290","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"A3PFSMICSND6","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A3PFSMICSND6HD4K","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A3PFSMIC","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:A3PFSMICSND6HD4KHDXIYYCE7N","target":"record","payload":{"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"},"canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","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"},"source_kind":"arxiv","source_id":"1402.2290","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dvnwJABtAPJl0MpOHU824BBQBFpzgtCguNNd+soUnGroKwAIrHJu3yGYD5mjnZxAo5GY/PheglkloNWM+pMfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:19:23.479763Z"},"content_sha256":"1b606097bd150e94c0da95b09fd118f7488297816fe6fa8830d4f6ac08210021","schema_version":"1.0","event_id":"sha256:1b606097bd150e94c0da95b09fd118f7488297816fe6fa8830d4f6ac08210021"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:A3PFSMICSND6HD4KHDXIYYCE7N","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:44:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2KZeWm5dEnmSIsN/f2XRBv3qnbb33vBroORJT+u3ogLqTu0fLUQomM6TKEYbbcv2UZv0tQmpri5+2WS+AK1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:19:23.480425Z"},"content_sha256":"b8a25967d6d12ad8d5de568389448acf4209b7eace4d27e27e50645fcbeb2dab","schema_version":"1.0","event_id":"sha256:b8a25967d6d12ad8d5de568389448acf4209b7eace4d27e27e50645fcbeb2dab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/bundle.json","state_url":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3PFSMICSND6HD4KHDXIYYCE7N/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T23:19:23Z","links":{"resolver":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N","bundle":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/bundle.json","state":"https://pith.science/pith/A3PFSMICSND6HD4KHDXIYYCE7N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3PFSMICSND6HD4KHDXIYYCE7N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:A3PFSMICSND6HD4KHDXIYYCE7N","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":"7f87b32cb9e505cd9912bd3158c88dbe9be5d379ab2191a82fcde05b36227902","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-02-10T21:00:23Z","title_canon_sha256":"e586ee1890ac99d9c732ec9e4688cdfbc057cc3b557faee9ad59c2e529948aca"},"schema_version":"1.0","source":{"id":"1402.2290","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2290","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2290v1","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2290","created_at":"2026-05-18T01:44:45Z"},{"alias_kind":"pith_short_12","alias_value":"A3PFSMICSND6","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A3PFSMICSND6HD4K","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A3PFSMIC","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:b8a25967d6d12ad8d5de568389448acf4209b7eace4d27e27e50645fcbeb2dab","target":"graph","created_at":"2026-05-18T01:44:45Z","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":"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 ","authors_text":"Luis D. Ferramacho, Mario G. Santos, Matt J. Jarvis, Stefano Camera","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-02-10T21:00:23Z","title":"Radio Galaxy populations and the multi-tracer technique: pushing the limits on primordial non-Gaussianity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2290","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":"sha256:1b606097bd150e94c0da95b09fd118f7488297816fe6fa8830d4f6ac08210021","target":"record","created_at":"2026-05-18T01:44:45Z","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":"7f87b32cb9e505cd9912bd3158c88dbe9be5d379ab2191a82fcde05b36227902","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-02-10T21:00:23Z","title_canon_sha256":"e586ee1890ac99d9c732ec9e4688cdfbc057cc3b557faee9ad59c2e529948aca"},"schema_version":"1.0","source":{"id":"1402.2290","kind":"arxiv","version":1}},"canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06de5931029347e38f8a38ee8c6044fb54eda66f943613ac247ad9260f96f4d8","first_computed_at":"2026-05-18T01:44:45.714555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:45.714555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zqb6/a0bCfs+8GnJ5TJ9q0CjlMOEWbKsp3jpsOCel8G+s00KuriQWF/fTTt/tuthrwdzU6HMHeL31y4lVtrOAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:45.715091Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.2290","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b606097bd150e94c0da95b09fd118f7488297816fe6fa8830d4f6ac08210021","sha256:b8a25967d6d12ad8d5de568389448acf4209b7eace4d27e27e50645fcbeb2dab"],"state_sha256":"afbfb39724e4d2de361f99b127f2639db4405b60a19b2549baa58687cdac49ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3A1Rv3wpc6t9M7/T4MVVNvvYdTZ3I/jeUX9LNU+z98fyXuaGdGxfuA73Kd73c6fI1J/vW96hPQhzNc8kqP9EDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:19:23.483346Z","bundle_sha256":"5e226ac45d7dabf35ba33169c42f14316803566ff643e9826c30f0b3a4f2c662"}}