{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:5QUDS2OBRRVB23KVLKZ33IWJYO","short_pith_number":"pith:5QUDS2OB","schema_version":"1.0","canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","source":{"kind":"arxiv","id":"1801.06522","version":1},"attestation_state":"computed","paper":{"title":"Mean Occupation Function of High Redshift Quasars from the Planck Cluster Catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Kentucky, 3), (3) IISc, (4) UWyo), Adam D. Myers (4) ((1) PU, Alankar Dutta (1, Priyanka Chakraborty (1, Suchetana Chatterjee (1)","submitted_at":"2018-01-19T18:28:47Z","abstract_excerpt":"We characterise the distribution of quasars within dark matter halos using a direct measurement technique for the first time at redshifts as high as $z \\sim 1$. Using the Planck Sunyaev-Zeldovich (SZ) catalogue for galaxy groups and the Sloan Digital Sky Survey (SDSS) DR12 quasar dataset, we assign host clusters/groups to the quasars and make a measurement of the mean number of quasars within dark matter halos as a function of halo mass. We find that a simple power-law fit of $\\log\\left <N\\right> = (2.11 \\pm 0.01) \\log (M) -(32.77 \\pm 0.11)$ can be used to model the quasar fraction in dark mat"},"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":"1801.06522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-19T18:28:47Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"057fad83ae2405cbae13e6fc50a26ca5e7ea6e3b27530498bb2052de3f400675","abstract_canon_sha256":"0780fbabd5e9a43afa379f6b55f6a7f222126a55bd6a3141768852f2f0fb4f53"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:13.454533Z","signature_b64":"owM62s8+RU4ZyikJc9gHAZZkOOioF6yVD+I8uywyLnDTM8iuBco2avdMjpTfcVB1GkmTLdMR6TwYi1hT3WSeBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec283969c18c6a1d6d555ab3bda2c9c3b6d3737c0164d0c019ad328bb56067ba","last_reissued_at":"2026-05-18T00:00:13.453967Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:13.453967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mean Occupation Function of High Redshift Quasars from the Planck Cluster Catalog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Kentucky, 3), (3) IISc, (4) UWyo), Adam D. Myers (4) ((1) PU, Alankar Dutta (1, Priyanka Chakraborty (1, Suchetana Chatterjee (1)","submitted_at":"2018-01-19T18:28:47Z","abstract_excerpt":"We characterise the distribution of quasars within dark matter halos using a direct measurement technique for the first time at redshifts as high as $z \\sim 1$. Using the Planck Sunyaev-Zeldovich (SZ) catalogue for galaxy groups and the Sloan Digital Sky Survey (SDSS) DR12 quasar dataset, we assign host clusters/groups to the quasars and make a measurement of the mean number of quasars within dark matter halos as a function of halo mass. We find that a simple power-law fit of $\\log\\left <N\\right> = (2.11 \\pm 0.01) \\log (M) -(32.77 \\pm 0.11)$ can be used to model the quasar fraction in dark mat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06522","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":"1801.06522","created_at":"2026-05-18T00:00:13.454049+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.06522v1","created_at":"2026-05-18T00:00:13.454049+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06522","created_at":"2026-05-18T00:00:13.454049+00:00"},{"alias_kind":"pith_short_12","alias_value":"5QUDS2OBRRVB","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"5QUDS2OBRRVB23KV","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"5QUDS2OB","created_at":"2026-05-18T12:32:08.215937+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/5QUDS2OBRRVB23KVLKZ33IWJYO","json":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO.json","graph_json":"https://pith.science/api/pith-number/5QUDS2OBRRVB23KVLKZ33IWJYO/graph.json","events_json":"https://pith.science/api/pith-number/5QUDS2OBRRVB23KVLKZ33IWJYO/events.json","paper":"https://pith.science/paper/5QUDS2OB"},"agent_actions":{"view_html":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO","download_json":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO.json","view_paper":"https://pith.science/paper/5QUDS2OB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.06522&json=true","fetch_graph":"https://pith.science/api/pith-number/5QUDS2OBRRVB23KVLKZ33IWJYO/graph.json","fetch_events":"https://pith.science/api/pith-number/5QUDS2OBRRVB23KVLKZ33IWJYO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/action/storage_attestation","attest_author":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/action/author_attestation","sign_citation":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/action/citation_signature","submit_replication":"https://pith.science/pith/5QUDS2OBRRVB23KVLKZ33IWJYO/action/replication_record"}},"created_at":"2026-05-18T00:00:13.454049+00:00","updated_at":"2026-05-18T00:00:13.454049+00:00"}