{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:QDYPXSAYT3BP7PJHLQLHBAUOEX","short_pith_number":"pith:QDYPXSAY","schema_version":"1.0","canonical_sha256":"80f0fbc8189ec2ffbd275c1670828e25c58e264173c2e157856962bb3060e794","source":{"kind":"arxiv","id":"1002.0160","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic Confirmation of Three Red-Sequence Selected Galaxy Clusters at z=0.87, 1.16 and 1.21 from the SpARCS Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam Muzzin, David Gilbank, Gillian Wilson, Henk Hoekstra, H. K. C. Yee, Jason Surace, Kris Blindert, Mark Lacy, Ricardo Demarco","submitted_at":"2010-01-31T22:19:59Z","abstract_excerpt":"The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey of the 50 deg^2 Spitzer SWIRE Legacy fields, designed with the primary aim of creating the first large, homogeneously selected sample of massive clusters at z>1. SpARCS uses an infrared adaptation of the two-filter cluster red-sequence technique. In this paper we report Keck/LRIS spectroscopic confirmation of two new exceptionally rich galaxy clusters, SpARCS J161315+564930 at z=0.871+/-0.002, with 14 high-confidence members and a rest-frame velocity dispersion of sigma_v= 1230+/-320 km s^-1, and"},"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":"1002.0160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-01-31T22:19:59Z","cross_cats_sorted":[],"title_canon_sha256":"28ca7763341167d22747726c2e655049c8091c9b79ac46dbdb202be67585f782","abstract_canon_sha256":"584ffe4c899f350d9a3a9c4dbc15089f34f356033e5d9914a00ac826da9cff18"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:21.634929Z","signature_b64":"3XTqT5OiRXfU7y1RtZfi3GzVN4kpL37QJvG1thqiBpN75HqlariSMNFE/4FGoLb1J+vw1l64o3i44dYavCJyBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80f0fbc8189ec2ffbd275c1670828e25c58e264173c2e157856962bb3060e794","last_reissued_at":"2026-05-18T02:09:21.634365Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:21.634365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic Confirmation of Three Red-Sequence Selected Galaxy Clusters at z=0.87, 1.16 and 1.21 from the SpARCS Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adam Muzzin, David Gilbank, Gillian Wilson, Henk Hoekstra, H. K. C. Yee, Jason Surace, Kris Blindert, Mark Lacy, Ricardo Demarco","submitted_at":"2010-01-31T22:19:59Z","abstract_excerpt":"The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey of the 50 deg^2 Spitzer SWIRE Legacy fields, designed with the primary aim of creating the first large, homogeneously selected sample of massive clusters at z>1. SpARCS uses an infrared adaptation of the two-filter cluster red-sequence technique. In this paper we report Keck/LRIS spectroscopic confirmation of two new exceptionally rich galaxy clusters, SpARCS J161315+564930 at z=0.871+/-0.002, with 14 high-confidence members and a rest-frame velocity dispersion of sigma_v= 1230+/-320 km s^-1, and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.0160","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":"1002.0160","created_at":"2026-05-18T02:09:21.634454+00:00"},{"alias_kind":"arxiv_version","alias_value":"1002.0160v1","created_at":"2026-05-18T02:09:21.634454+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.0160","created_at":"2026-05-18T02:09:21.634454+00:00"},{"alias_kind":"pith_short_12","alias_value":"QDYPXSAYT3BP","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"QDYPXSAYT3BP7PJH","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"QDYPXSAY","created_at":"2026-05-18T12:26:12.377268+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/QDYPXSAYT3BP7PJHLQLHBAUOEX","json":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX.json","graph_json":"https://pith.science/api/pith-number/QDYPXSAYT3BP7PJHLQLHBAUOEX/graph.json","events_json":"https://pith.science/api/pith-number/QDYPXSAYT3BP7PJHLQLHBAUOEX/events.json","paper":"https://pith.science/paper/QDYPXSAY"},"agent_actions":{"view_html":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX","download_json":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX.json","view_paper":"https://pith.science/paper/QDYPXSAY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1002.0160&json=true","fetch_graph":"https://pith.science/api/pith-number/QDYPXSAYT3BP7PJHLQLHBAUOEX/graph.json","fetch_events":"https://pith.science/api/pith-number/QDYPXSAYT3BP7PJHLQLHBAUOEX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX/action/storage_attestation","attest_author":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX/action/author_attestation","sign_citation":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX/action/citation_signature","submit_replication":"https://pith.science/pith/QDYPXSAYT3BP7PJHLQLHBAUOEX/action/replication_record"}},"created_at":"2026-05-18T02:09:21.634454+00:00","updated_at":"2026-05-18T02:09:21.634454+00:00"}