{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7DLOI2TACWAMGOA7GYCRM4EGX4","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":"3bf67664430283074e3a05132805f15d8eaf1ebeda7bd9f1ac2db7e5958fa468","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-11T18:00:01Z","title_canon_sha256":"03efa6cdc28bf0cfc3412be0e0969be813208f0bcc799bd484cc9704d6fe9df1"},"schema_version":"1.0","source":{"id":"1806.04142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04142","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04142v1","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04142","created_at":"2026-05-18T00:09:09Z"},{"alias_kind":"pith_short_12","alias_value":"7DLOI2TACWAM","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7DLOI2TACWAMGOA7","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7DLOI2TA","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:47e912ae7621afce6daf799c46b7e775ff6e7b6545751ae1e45bb6e7e2730e26","target":"graph","created_at":"2026-05-18T00:09:09Z","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 report evidence of environmental quenching among galaxies at redshift ~ 2, namely the probability that a galaxy quenches its star formation activity is enhanced in the regions of space in proximity of other quenched, more massive galaxies. The effect is observed as strong clustering of quiescent galaxies around quiescent galaxies on angular scales \\theta < 20 arcsec, corresponding to a proper(comoving) scale of 168 (502) kpc at z = 2. The effect is observed only for quiescent galaxies around other quiescent galaxies; the probability to find star-forming galaxies around quiescent or around s","authors_text":"Bomee Lee, Christina C. Williams, Henry C. Ferguson, Mauro Giavalisco, Sandra M. Faber, Teng Liu, Yicheng Guo, Zhiyuan Ji","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-11T18:00:01Z","title":"Evidence of Environmental Quenching at Redshift z ~ 2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04142","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":"sha256:6589dec0ecfbb8d8fb8c43c07b36e75fd3b6e725180a11171e243646eea84130","target":"record","created_at":"2026-05-18T00:09:09Z","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":"3bf67664430283074e3a05132805f15d8eaf1ebeda7bd9f1ac2db7e5958fa468","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-11T18:00:01Z","title_canon_sha256":"03efa6cdc28bf0cfc3412be0e0969be813208f0bcc799bd484cc9704d6fe9df1"},"schema_version":"1.0","source":{"id":"1806.04142","kind":"arxiv","version":1}},"canonical_sha256":"f8d6e46a601580c3381f3605167086bf2bb37f3841ecd3346847c3fb68284c2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8d6e46a601580c3381f3605167086bf2bb37f3841ecd3346847c3fb68284c2d","first_computed_at":"2026-05-18T00:09:09.165295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:09.165295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Ek15H1IbYMBzQfjrI8lw8LCgjtZwSRDHxUKuA4xxxAyPstOp461pekZpmNzdSXPq4FUpeVQZOLx/ZC6sWzMCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:09.165787Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.04142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6589dec0ecfbb8d8fb8c43c07b36e75fd3b6e725180a11171e243646eea84130","sha256:47e912ae7621afce6daf799c46b7e775ff6e7b6545751ae1e45bb6e7e2730e26"],"state_sha256":"533163684bdf98d3502653e38830a176076dfde16c92745bbf285d9596efdc32"}