{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YC4IA2ZYPLPOQHMO7PGIB5GTGP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ce8366b1631a569461c9e96b79b76f3a22a053360d088ffc91adbc53f7830f2b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-18T20:01:16Z","title_canon_sha256":"93c017a7d49153535c92e3c9ffd37baa8ba29fdd64ab716096f019c7e98db6dd"},"schema_version":"1.0","source":{"id":"1505.04798","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.04798","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"arxiv_version","alias_value":"1505.04798v1","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.04798","created_at":"2026-05-18T01:36:53Z"},{"alias_kind":"pith_short_12","alias_value":"YC4IA2ZYPLPO","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YC4IA2ZYPLPOQHMO","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YC4IA2ZY","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:5fd19c79f5a01ef4fbc4acfa44c786ba90905f61791098738ab4fb444e797ed9","target":"graph","created_at":"2026-05-18T01:36:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We investigate the ability of current implementations of galaxy group finders to recover colour-dependent halo occupation statistics. To test the fidelity of group catalogue inferred statistics, we run three different group finders used in the literature over a mock that includes galaxy colours in a realistic manner. Overall, the resulting mock group catalogues are remarkably similar, and most colour-dependent statistics are recovered with reasonable accuracy. However, it is also clear that certain systematic errors arise as a consequence of correlated errors in group membership determination,","authors_text":"Andreas Berlind, Andrew Hearin, Duncan Campbell, Frank C van den Bosch, H. J. Mo, Jeremy Tinker, Nikhil Padmanabhan, Xiaohu Yang","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-18T20:01:16Z","title":"Assessing Colour-dependent Occupation Statistics Inferred from Galaxy Group Catalogues"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.04798","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:61d489f5a3d5999a65819a33872b1f7b71e40bd985a63b1dda3ab648df073c40","target":"record","created_at":"2026-05-18T01:36:53Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ce8366b1631a569461c9e96b79b76f3a22a053360d088ffc91adbc53f7830f2b","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-18T20:01:16Z","title_canon_sha256":"93c017a7d49153535c92e3c9ffd37baa8ba29fdd64ab716096f019c7e98db6dd"},"schema_version":"1.0","source":{"id":"1505.04798","kind":"arxiv","version":1}},"canonical_sha256":"c0b8806b387adee81d8efbcc80f4d333c2fa15ac78713a767f9f937537611c59","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0b8806b387adee81d8efbcc80f4d333c2fa15ac78713a767f9f937537611c59","first_computed_at":"2026-05-18T01:36:53.443652Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:53.443652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PyWnHcQcen8gVkP31iTlbBvoiEEHqGmk8Hk4VPNRsmL/lAlBLPPL8EKYeeoYPbJshkmq+gFXXPmYOQPRd08wAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:53.444304Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.04798","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61d489f5a3d5999a65819a33872b1f7b71e40bd985a63b1dda3ab648df073c40","sha256:5fd19c79f5a01ef4fbc4acfa44c786ba90905f61791098738ab4fb444e797ed9"],"state_sha256":"a6cb206775d1262e27d4a6fee889bbe6931f38fcb7f55ffe63da832ebe487ec0"}