{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:S5P2OTWS6JHSLOTRJY4PBOTWP3","short_pith_number":"pith:S5P2OTWS","schema_version":"1.0","canonical_sha256":"975fa74ed2f24f25ba714e38f0ba767ef9584fd1d24ac792f52d9643d6bda495","source":{"kind":"arxiv","id":"0902.3237","version":2},"attestation_state":"computed","paper":{"title":"The Clustering of MgII Absorption Systems at z=0.5 and Detection of Cold Gas in Massive Halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2) ((1) KICP/UChicago, (2) BCCP UC Berkeley), Hsiao-Wen Chen (1), Jean-Rene Gauthier (1), Jeremy L. Tinker (1","submitted_at":"2009-02-18T20:48:08Z","abstract_excerpt":"We measure the large-scale clustering of MgII \\lambda\\lambda 2796,2803 absorbers with respect to a population of luminous red galaxies (LRGs) at z \\sim 0.5. From the cross-correlation measurements between MgII absorbers and LRGs, we calculate the mean bias of the dark matter halos in which the absorbers reside. We investigate systematic uncertainties in the clustering measurements due to the sample selection of LRGs and due to uncertainties in photometric redshifts. First, we compare the cross-correlation amplitudes determined using a it flux-limited LRG sample and a volume-limited one. The co"},"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":"0902.3237","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-02-18T20:48:08Z","cross_cats_sorted":[],"title_canon_sha256":"9d6912d7c719e20cd88225cbaaea18210725a03bb23017c18440e9a8b0ea386d","abstract_canon_sha256":"b46487caac0459a9cf051927370cb775f1ae95ca39be189b2c3a35b0993d2032"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:47:35.453780Z","signature_b64":"j+MrT+B0Fc4pnMCL/OZDkHUIr8OFGcylfGxPh2bUY690F0gdX76MXmdtwR5EcRKlL7A69gK6lAWg+geAECAIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"975fa74ed2f24f25ba714e38f0ba767ef9584fd1d24ac792f52d9643d6bda495","last_reissued_at":"2026-07-04T15:47:35.453432Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:47:35.453432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Clustering of MgII Absorption Systems at z=0.5 and Detection of Cold Gas in Massive Halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2) ((1) KICP/UChicago, (2) BCCP UC Berkeley), Hsiao-Wen Chen (1), Jean-Rene Gauthier (1), Jeremy L. Tinker (1","submitted_at":"2009-02-18T20:48:08Z","abstract_excerpt":"We measure the large-scale clustering of MgII \\lambda\\lambda 2796,2803 absorbers with respect to a population of luminous red galaxies (LRGs) at z \\sim 0.5. From the cross-correlation measurements between MgII absorbers and LRGs, we calculate the mean bias of the dark matter halos in which the absorbers reside. We investigate systematic uncertainties in the clustering measurements due to the sample selection of LRGs and due to uncertainties in photometric redshifts. First, we compare the cross-correlation amplitudes determined using a it flux-limited LRG sample and a volume-limited one. The co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3237","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/0902.3237/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":"0902.3237","created_at":"2026-07-04T15:47:35.453493+00:00"},{"alias_kind":"arxiv_version","alias_value":"0902.3237v2","created_at":"2026-07-04T15:47:35.453493+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3237","created_at":"2026-07-04T15:47:35.453493+00:00"},{"alias_kind":"pith_short_12","alias_value":"S5P2OTWS6JHS","created_at":"2026-07-04T15:47:35.453493+00:00"},{"alias_kind":"pith_short_16","alias_value":"S5P2OTWS6JHSLOTR","created_at":"2026-07-04T15:47:35.453493+00:00"},{"alias_kind":"pith_short_8","alias_value":"S5P2OTWS","created_at":"2026-07-04T15:47:35.453493+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2504.14940","citing_title":"Gigaparsec structures are nowhere to be seen in $\\Lambda$CDM: an enhanced analysis of LSS in FLAMINGO-10K simulations","ref_index":12,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3","json":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3.json","graph_json":"https://pith.science/api/pith-number/S5P2OTWS6JHSLOTRJY4PBOTWP3/graph.json","events_json":"https://pith.science/api/pith-number/S5P2OTWS6JHSLOTRJY4PBOTWP3/events.json","paper":"https://pith.science/paper/S5P2OTWS"},"agent_actions":{"view_html":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3","download_json":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3.json","view_paper":"https://pith.science/paper/S5P2OTWS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0902.3237&json=true","fetch_graph":"https://pith.science/api/pith-number/S5P2OTWS6JHSLOTRJY4PBOTWP3/graph.json","fetch_events":"https://pith.science/api/pith-number/S5P2OTWS6JHSLOTRJY4PBOTWP3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3/action/storage_attestation","attest_author":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3/action/author_attestation","sign_citation":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3/action/citation_signature","submit_replication":"https://pith.science/pith/S5P2OTWS6JHSLOTRJY4PBOTWP3/action/replication_record"}},"created_at":"2026-07-04T15:47:35.453493+00:00","updated_at":"2026-07-04T15:47:35.453493+00:00"}