{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:BHTYMVIL6EAQO73TDBRTA6HW36","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":"9e4c6dcf1696c5f7f48733299b740d924e5c9e6e9d6009a9ab3579a6ac9f6f8b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-28T20:00:00Z","title_canon_sha256":"ef67e17b3613375ed271400c36e7faa374ae8dc09e40a6d380a55601f63cb24c"},"schema_version":"1.0","source":{"id":"1303.7231","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.7231","created_at":"2026-05-18T02:57:14Z"},{"alias_kind":"arxiv_version","alias_value":"1303.7231v2","created_at":"2026-05-18T02:57:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.7231","created_at":"2026-05-18T02:57:14Z"},{"alias_kind":"pith_short_12","alias_value":"BHTYMVIL6EAQ","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"BHTYMVIL6EAQO73T","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"BHTYMVIL","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:748f0db6a63940909ffae25e67b6dc7f6c720d0a8938e0752bb8386fd85ea54b","target":"graph","created_at":"2026-05-18T02:57:14Z","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":"Galaxies that are several virial radii beyond groups/clusters show preferentially quiescent star formation rates. Using a galaxy group/cluster catalog from the Sloan Digital Sky Survey, together with a cosmological N-body simulation, we examine the origin of this environmental quenching beyond the virial radius. Accounting for the clustering of groups/clusters, we show that central galaxies show enhanced SFR quenching out to 2.5 virial radii beyond groups/clusters, and we demonstrate that this extended environmental enhancement can be explained simply by 'ejected' satellite galaxies that orbit","authors_text":"Andrew R. Wetzel, Charlie Conroy, Frank C. van den Bosch, Jeremy L. Tinker","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-28T20:00:00Z","title":"Galaxy evolution near groups and clusters: ejected satellites and the spatial extent of environmental quenching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.7231","kind":"arxiv","version":2},"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":"sha256:317313b2a139ccc9a6706fb8a353849c2e9899ed6a51e3d694d987b6978c4d99","target":"record","created_at":"2026-05-18T02:57:14Z","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":"9e4c6dcf1696c5f7f48733299b740d924e5c9e6e9d6009a9ab3579a6ac9f6f8b","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-03-28T20:00:00Z","title_canon_sha256":"ef67e17b3613375ed271400c36e7faa374ae8dc09e40a6d380a55601f63cb24c"},"schema_version":"1.0","source":{"id":"1303.7231","kind":"arxiv","version":2}},"canonical_sha256":"09e786550bf101077f7318633078f6df888d62fd9a2a2fc135ea57604d410388","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09e786550bf101077f7318633078f6df888d62fd9a2a2fc135ea57604d410388","first_computed_at":"2026-05-18T02:57:14.900481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:14.900481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zeco9TV85sYJ8/XqMfjnWlq+MRUtgOIrahpk6ea0l0fQK23uwsnYxeI/zDERGml4YPH3YbEivqQEDobypYQTBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:14.900971Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.7231","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:317313b2a139ccc9a6706fb8a353849c2e9899ed6a51e3d694d987b6978c4d99","sha256:748f0db6a63940909ffae25e67b6dc7f6c720d0a8938e0752bb8386fd85ea54b"],"state_sha256":"bd81efb9f9dce48a95b4a6858b624f1c17944551ec7288959df09e5ab5499070"}