{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JGM5P4HT22ZOSK23N43HIASW76","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":"d61ef0c544061f70f003baa54ff90a60c6020beb4f882dd9e600a7242c755cf9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-29T08:40:16Z","title_canon_sha256":"d93d99183335f389a3034b63057054a5cc362c13f03aa4df471e00f6d8d81632"},"schema_version":"1.0","source":{"id":"2605.31008","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.31008","created_at":"2026-06-01T01:03:30Z"},{"alias_kind":"arxiv_version","alias_value":"2605.31008v1","created_at":"2026-06-01T01:03:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.31008","created_at":"2026-06-01T01:03:30Z"},{"alias_kind":"pith_short_12","alias_value":"JGM5P4HT22ZO","created_at":"2026-06-01T01:03:30Z"},{"alias_kind":"pith_short_16","alias_value":"JGM5P4HT22ZOSK23","created_at":"2026-06-01T01:03:30Z"},{"alias_kind":"pith_short_8","alias_value":"JGM5P4HT","created_at":"2026-06-01T01:03:30Z"}],"graph_snapshots":[{"event_id":"sha256:977ae35933e5c8e999635ff1146069801f3f88131b78c7fa8cb3b9bd64f542e6","target":"graph","created_at":"2026-06-01T01:03:30Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.31008/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate how galaxy evolution varies with environment in the nearby Universe by comparing an ``average'' reference volume in the Southern Galactic Pole (SGP) dataset from \\citet{VanKempen2024} to the Nexus region, a dynamically assembling superstructure centred on the Abell~4038 galaxy cluster. We quantify environmental effects using the quenched fraction ($f_{\\mathrm{Q}}$) and the specific star formation rate ($\\mathrm{sSFR}$) for the star-forming population, measured as functions of stellar mass and group-scale halo mass from \\citet{VanKempen2026}. We decouple the stellar--halo mass de","authors_text":"Darren J. Croton, Edward N. Taylor, Michelle E. Cluver, Trystan S. Lambert, Wesley Van Kempen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-29T08:40:16Z","title":"The Galactic Squeeze: How Aggregate and Highly Dynamical Environments Shape Star Formation in the Local Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.31008","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":"sha256:8e44238b022629da2f38beab0b1a11ae4baf662fc9d024e6f5a69d16ca5c8342","target":"record","created_at":"2026-06-01T01:03:30Z","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":"d61ef0c544061f70f003baa54ff90a60c6020beb4f882dd9e600a7242c755cf9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-05-29T08:40:16Z","title_canon_sha256":"d93d99183335f389a3034b63057054a5cc362c13f03aa4df471e00f6d8d81632"},"schema_version":"1.0","source":{"id":"2605.31008","kind":"arxiv","version":1}},"canonical_sha256":"4999d7f0f3d6b2e92b5b6f36740256ff98e950d5b6b16bb9cf84f9fff1606c71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4999d7f0f3d6b2e92b5b6f36740256ff98e950d5b6b16bb9cf84f9fff1606c71","first_computed_at":"2026-06-01T01:03:30.417000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:03:30.417000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pWNNvvoII++GSGlN9y/DXRH3WebOcW4jb/AEgw5KJ2HOBPKMx4UGlVBkUp4z5xMWbXQULtIhyXeXIkqFFW/fDQ==","signature_status":"signed_v1","signed_at":"2026-06-01T01:03:30.417770Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.31008","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e44238b022629da2f38beab0b1a11ae4baf662fc9d024e6f5a69d16ca5c8342","sha256:977ae35933e5c8e999635ff1146069801f3f88131b78c7fa8cb3b9bd64f542e6"],"state_sha256":"125763285aca1e5d1f1445485059b0b8a548c26de209561c4c74d415ff718b2c"}