{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DMIZCCJMIL67OQ5PKEBLO6P3TC","short_pith_number":"pith:DMIZCCJM","schema_version":"1.0","canonical_sha256":"1b1191092c42fdf743af5102b779fb98a8ef479b5e0d145fa25163575389054b","source":{"kind":"arxiv","id":"1512.03566","version":2},"attestation_state":"computed","paper":{"title":"Optimising the measurement of relativistic distortions in large-scale structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Camille Bonvin, Enrique Gaztanaga, Lam Hui","submitted_at":"2015-12-11T09:52:55Z","abstract_excerpt":"It has been shown recently that relativistic distortions generate a dipolar modulation in the two-point correlation function of galaxies. To measure this relativistic dipole it is necessary to cross-correlate different populations of galaxies with for example different luminosities or colours. In this paper, we construct an optimal estimator to measure the dipole with multiple populations. We show that this estimator increases the signal-to-noise of the dipole by up to 35 percent. Using 6 populations of galaxies, in a survey with halos and number densities similar to those of the millennium si"},"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":"1512.03566","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-12-11T09:52:55Z","cross_cats_sorted":[],"title_canon_sha256":"f428a3c0e4641c926f0f0b25130338c07889ec96a4c30e0338b9fd6d0224b046","abstract_canon_sha256":"fb0fa63e93038c90bdc559c1878afdff783830fd6897dfbadf18767411f9e267"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:18:33.566666Z","signature_b64":"WMT2YNhx3+E8dKIONjh+Yqzc+pJeXR/9xNDNWfdiXsrgf0KZcFPKZorom+H3HtXcwP+mdAS/jhznt8xHhcvLAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b1191092c42fdf743af5102b779fb98a8ef479b5e0d145fa25163575389054b","last_reissued_at":"2026-07-05T06:18:33.566155Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:18:33.566155Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimising the measurement of relativistic distortions in large-scale structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Camille Bonvin, Enrique Gaztanaga, Lam Hui","submitted_at":"2015-12-11T09:52:55Z","abstract_excerpt":"It has been shown recently that relativistic distortions generate a dipolar modulation in the two-point correlation function of galaxies. To measure this relativistic dipole it is necessary to cross-correlate different populations of galaxies with for example different luminosities or colours. In this paper, we construct an optimal estimator to measure the dipole with multiple populations. We show that this estimator increases the signal-to-noise of the dipole by up to 35 percent. Using 6 populations of galaxies, in a survey with halos and number densities similar to those of the millennium si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03566","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/1512.03566/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":"1512.03566","created_at":"2026-07-05T06:18:33.566210+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.03566v2","created_at":"2026-07-05T06:18:33.566210+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03566","created_at":"2026-07-05T06:18:33.566210+00:00"},{"alias_kind":"pith_short_12","alias_value":"DMIZCCJMIL67","created_at":"2026-07-05T06:18:33.566210+00:00"},{"alias_kind":"pith_short_16","alias_value":"DMIZCCJMIL67OQ5P","created_at":"2026-07-05T06:18:33.566210+00:00"},{"alias_kind":"pith_short_8","alias_value":"DMIZCCJM","created_at":"2026-07-05T06:18:33.566210+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.20989","citing_title":"Relativistic effects in k-essence","ref_index":44,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC","json":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC.json","graph_json":"https://pith.science/api/pith-number/DMIZCCJMIL67OQ5PKEBLO6P3TC/graph.json","events_json":"https://pith.science/api/pith-number/DMIZCCJMIL67OQ5PKEBLO6P3TC/events.json","paper":"https://pith.science/paper/DMIZCCJM"},"agent_actions":{"view_html":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC","download_json":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC.json","view_paper":"https://pith.science/paper/DMIZCCJM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.03566&json=true","fetch_graph":"https://pith.science/api/pith-number/DMIZCCJMIL67OQ5PKEBLO6P3TC/graph.json","fetch_events":"https://pith.science/api/pith-number/DMIZCCJMIL67OQ5PKEBLO6P3TC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC/action/storage_attestation","attest_author":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC/action/author_attestation","sign_citation":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC/action/citation_signature","submit_replication":"https://pith.science/pith/DMIZCCJMIL67OQ5PKEBLO6P3TC/action/replication_record"}},"created_at":"2026-07-05T06:18:33.566210+00:00","updated_at":"2026-07-05T06:18:33.566210+00:00"}