{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:XA4RNLQLGFJJUWCI6PEL2FVO7H","short_pith_number":"pith:XA4RNLQL","schema_version":"1.0","canonical_sha256":"b83916ae0b31529a5848f3c8bd16aef9d8c843e52147a11d802a1388d26e10a6","source":{"kind":"arxiv","id":"1302.6015","version":2},"attestation_state":"computed","paper":{"title":"Baryon acoustic oscillations with the cross-correlation of spectroscopic and photometric samples","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Atsushi J. Nishizawa, Masahiro Takada, Masamune Oguri","submitted_at":"2013-02-25T08:27:53Z","abstract_excerpt":"The baryon acoustic oscillation (BAO) experiment requires a sufficiently dense sampling of large-scale structure tracers with spectroscopic redshift, which is observationally expensive especially at high redshifts $z\\simgt 1$. Here we present an alternative route of the BAO analysis that uses the cross-correlation of sparse spectroscopic tracers with a much denser photometric sample, where the spectroscopic tracers can be quasars or bright, rare galaxies that are easier to access spectroscopically. We show that measurements of the cross-correlation as a function of the transverse comoving sepa"},"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":"1302.6015","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-25T08:27:53Z","cross_cats_sorted":[],"title_canon_sha256":"cfc84eaaff43058bb3da53397b35a24f5dc0f305a7c2acba32a44b684495d28a","abstract_canon_sha256":"70f2a3067c515d80fa807e7f60dc16eba1dfa319e837d73090e911fd95acfbf5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:29.031712Z","signature_b64":"NY31uxxklBSP9roxnsoV0JHy7NRuNQRs0a9kssTScp+ePSxG8feETwxWUUb+dcIGrU/w0OYGEEE3uNXwJP79DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b83916ae0b31529a5848f3c8bd16aef9d8c843e52147a11d802a1388d26e10a6","last_reissued_at":"2026-05-18T01:51:29.031240Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:29.031240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Baryon acoustic oscillations with the cross-correlation of spectroscopic and photometric samples","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Atsushi J. Nishizawa, Masahiro Takada, Masamune Oguri","submitted_at":"2013-02-25T08:27:53Z","abstract_excerpt":"The baryon acoustic oscillation (BAO) experiment requires a sufficiently dense sampling of large-scale structure tracers with spectroscopic redshift, which is observationally expensive especially at high redshifts $z\\simgt 1$. Here we present an alternative route of the BAO analysis that uses the cross-correlation of sparse spectroscopic tracers with a much denser photometric sample, where the spectroscopic tracers can be quasars or bright, rare galaxies that are easier to access spectroscopically. We show that measurements of the cross-correlation as a function of the transverse comoving sepa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6015","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":""},"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":"1302.6015","created_at":"2026-05-18T01:51:29.031331+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.6015v2","created_at":"2026-05-18T01:51:29.031331+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6015","created_at":"2026-05-18T01:51:29.031331+00:00"},{"alias_kind":"pith_short_12","alias_value":"XA4RNLQLGFJJ","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"XA4RNLQLGFJJUWCI","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"XA4RNLQL","created_at":"2026-05-18T12:28:06.772260+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H","json":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H.json","graph_json":"https://pith.science/api/pith-number/XA4RNLQLGFJJUWCI6PEL2FVO7H/graph.json","events_json":"https://pith.science/api/pith-number/XA4RNLQLGFJJUWCI6PEL2FVO7H/events.json","paper":"https://pith.science/paper/XA4RNLQL"},"agent_actions":{"view_html":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H","download_json":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H.json","view_paper":"https://pith.science/paper/XA4RNLQL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.6015&json=true","fetch_graph":"https://pith.science/api/pith-number/XA4RNLQLGFJJUWCI6PEL2FVO7H/graph.json","fetch_events":"https://pith.science/api/pith-number/XA4RNLQLGFJJUWCI6PEL2FVO7H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H/action/storage_attestation","attest_author":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H/action/author_attestation","sign_citation":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H/action/citation_signature","submit_replication":"https://pith.science/pith/XA4RNLQLGFJJUWCI6PEL2FVO7H/action/replication_record"}},"created_at":"2026-05-18T01:51:29.031331+00:00","updated_at":"2026-05-18T01:51:29.031331+00:00"}