{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:G2GB4Z6TN3ZHRNHI4HCAJG4OMQ","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":"d643f1f87942de7119e76fa8515314b16680882157e9aa333b676fb9d33384ab","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-06T07:14:16Z","title_canon_sha256":"3bdc1f89005789398700390cf99b1ff5a2643ab83ac5870cd65aac3fc871aef4"},"schema_version":"1.0","source":{"id":"1508.01294","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.01294","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"arxiv_version","alias_value":"1508.01294v1","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.01294","created_at":"2026-05-18T01:32:59Z"},{"alias_kind":"pith_short_12","alias_value":"G2GB4Z6TN3ZH","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"G2GB4Z6TN3ZHRNHI","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"G2GB4Z6T","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:a6019cf0f41b389ed9689890eff03b4e6a439d02f0253b1edd2b131a7e0671ad","target":"graph","created_at":"2026-05-18T01:32:59Z","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":"Using a stellar mass limited sample of $\\sim 46,600$ galaxies ($M_* > 10^{9.1}\\,M_{\\odot}$) at $0.5 < z < 2$, we show that the tellar mass, rather than the environment, is the main parameter controlling quenching of star formation in galaxies with $M_* > 10^{10}\\,M_{\\odot}$ out to $z=2$. On the other hand, the environmental quenching becomes efficient at $z < 1$ regardless of galaxy mass, and it serves as a main star formation quenching mechanism for lower mass galaxies. Our result is based on deep optical and near-infrared imaging data over 2800 arcmin$^2$, enabling us to negate cosmic varian","authors_text":"Anton Koekemoer, Conor McPartland, Jae-Woo Kim, Jennifer Lotz, Michael Peth, Myungshin Im, Seong-Kook Lee","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-06T07:14:16Z","title":"Evolution of Star-formation Properties of High-redshift Cluster Galaxies since $z = 2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.01294","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":"sha256:1508e59fbcfc783529845deb05bbf1718edb0998cfbb8860a7279251599d44ff","target":"record","created_at":"2026-05-18T01:32:59Z","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":"d643f1f87942de7119e76fa8515314b16680882157e9aa333b676fb9d33384ab","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-08-06T07:14:16Z","title_canon_sha256":"3bdc1f89005789398700390cf99b1ff5a2643ab83ac5870cd65aac3fc871aef4"},"schema_version":"1.0","source":{"id":"1508.01294","kind":"arxiv","version":1}},"canonical_sha256":"368c1e67d36ef278b4e8e1c4049b8e64244bbe62b4fa80cfb6844ba53f9f09ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"368c1e67d36ef278b4e8e1c4049b8e64244bbe62b4fa80cfb6844ba53f9f09ff","first_computed_at":"2026-05-18T01:32:59.408662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:59.408662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tv89JenSFOfG9/QyqwEynzWDash+uHq8HXplg/ejDAhirOdZ4ufKO/flpBD6FawpI2bUUcgaevC0ADtXFEUSBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:59.409105Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.01294","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1508e59fbcfc783529845deb05bbf1718edb0998cfbb8860a7279251599d44ff","sha256:a6019cf0f41b389ed9689890eff03b4e6a439d02f0253b1edd2b131a7e0671ad"],"state_sha256":"b755f05e5298f788a847f41df3772d017446bb988b1e3ea375b9dda85b076d3a"}