{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:HKANOMGP6LJ46EJTPEWNSL2AKD","short_pith_number":"pith:HKANOMGP","schema_version":"1.0","canonical_sha256":"3a80d730cff2d3cf1133792cd92f4050f7e4935842d5b47acacec4e4b67cbccf","source":{"kind":"arxiv","id":"astro-ph/0503596","version":1},"attestation_state":"computed","paper":{"title":"Dissipationless Merging and the Assembly of Central Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Asantha Cooray (UC Irvine), Milos Milosavljevic (Caltech)","submitted_at":"2005-03-29T05:32:03Z","abstract_excerpt":"We reanalyze the galaxy-mass correlation function measured by the Sloan Digital Sky Survey to obtain host dark matter halo masses at galaxy and galaxy group scales. We extend the data to galaxy clusters in the 2MASS catalog and study the relation between central galaxy luminosity and halo mass. While the central galaxy luminosity scales as ~M^{0.7-0.8} at low masses, the relation flattens to ~M^{<0.3} above ~4x10^{13} M_sun. The total luminosity of galaxies in the halo, however, continues to grow as a power-law ~M^{0.8-0.9}. Starting from the hypothesis that the central galaxies grow by mergin"},"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":"astro-ph/0503596","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-03-29T05:32:03Z","cross_cats_sorted":[],"title_canon_sha256":"1dc9dc50b74a427468f975793020aa788ff81c68db3655f41bf30cfdbbaaba25","abstract_canon_sha256":"cf20ab8edf7546ba4e700e8dfbbea61bcf1569788bf3ab8a66c858affefce1d8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:31.551525Z","signature_b64":"lmosyRQHiaPkWiRyIi0rn8ObI4R+t92UBVhCDB6NzbzC2V064BvtXlXTjU5T5dhz5pq0xvTDjOBCCWUrUnWuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a80d730cff2d3cf1133792cd92f4050f7e4935842d5b47acacec4e4b67cbccf","last_reissued_at":"2026-05-18T01:07:31.550846Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:31.550846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dissipationless Merging and the Assembly of Central Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Asantha Cooray (UC Irvine), Milos Milosavljevic (Caltech)","submitted_at":"2005-03-29T05:32:03Z","abstract_excerpt":"We reanalyze the galaxy-mass correlation function measured by the Sloan Digital Sky Survey to obtain host dark matter halo masses at galaxy and galaxy group scales. We extend the data to galaxy clusters in the 2MASS catalog and study the relation between central galaxy luminosity and halo mass. While the central galaxy luminosity scales as ~M^{0.7-0.8} at low masses, the relation flattens to ~M^{<0.3} above ~4x10^{13} M_sun. The total luminosity of galaxies in the halo, however, continues to grow as a power-law ~M^{0.8-0.9}. Starting from the hypothesis that the central galaxies grow by mergin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0503596","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":"astro-ph/0503596","created_at":"2026-05-18T01:07:31.550938+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0503596v1","created_at":"2026-05-18T01:07:31.550938+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0503596","created_at":"2026-05-18T01:07:31.550938+00:00"},{"alias_kind":"pith_short_12","alias_value":"HKANOMGP6LJ4","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"HKANOMGP6LJ46EJT","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"HKANOMGP","created_at":"2026-05-18T12:25:53.335082+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/HKANOMGP6LJ46EJTPEWNSL2AKD","json":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD.json","graph_json":"https://pith.science/api/pith-number/HKANOMGP6LJ46EJTPEWNSL2AKD/graph.json","events_json":"https://pith.science/api/pith-number/HKANOMGP6LJ46EJTPEWNSL2AKD/events.json","paper":"https://pith.science/paper/HKANOMGP"},"agent_actions":{"view_html":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD","download_json":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD.json","view_paper":"https://pith.science/paper/HKANOMGP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0503596&json=true","fetch_graph":"https://pith.science/api/pith-number/HKANOMGP6LJ46EJTPEWNSL2AKD/graph.json","fetch_events":"https://pith.science/api/pith-number/HKANOMGP6LJ46EJTPEWNSL2AKD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD/action/storage_attestation","attest_author":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD/action/author_attestation","sign_citation":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD/action/citation_signature","submit_replication":"https://pith.science/pith/HKANOMGP6LJ46EJTPEWNSL2AKD/action/replication_record"}},"created_at":"2026-05-18T01:07:31.550938+00:00","updated_at":"2026-05-18T01:07:31.550938+00:00"}