{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:C6LWQYMCFU2LIIZMGTBVMD4YE7","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":"073f072e8469726092dc1bb009a97a78ceac9dcd05d7f049791626a938bfd708","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-26T20:00:01Z","title_canon_sha256":"bf9a080b66a0bf117d1fc0c99fda7bf1fc80882fd7a1d1757757dd94d154fa1f"},"schema_version":"1.0","source":{"id":"1608.07577","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.07577","created_at":"2026-05-18T00:21:43Z"},{"alias_kind":"arxiv_version","alias_value":"1608.07577v2","created_at":"2026-05-18T00:21:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07577","created_at":"2026-05-18T00:21:43Z"},{"alias_kind":"pith_short_12","alias_value":"C6LWQYMCFU2L","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"C6LWQYMCFU2LIIZM","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"C6LWQYMC","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:f7d0476847c743194efe95b83729028542dcd7852592c2d5dfa4a89fc8547b06","target":"graph","created_at":"2026-05-18T00:21:43Z","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 the deepest data yet obtained, we find no evidence preferring compaction-triggered quenching---where rapid increases in galaxy density truncate star formation---over a null hypothesis in which galaxies age at constant surface density ($\\Sigma_e\\equiv M_*/2\\pi r_{e}^{2}$). Results from two fully empirical analyses and one quenching-free model calculation support this claim at all $z\\leq3$: (1) Qualitatively, galaxies' mean $U-V$ colors at $6.5\\lesssim\\log\\Sigma_e/{\\rm M_\\odot}\\,{\\rm kpc}^{-2}\\lesssim10$ have reddened at rates/times correlated with $\\Sigma_e$, implying that there is no den","authors_text":"2) ((1) UCLA, (2) STScI), Louis E. Abramson (1), Takahiro Morishita (1","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-26T20:00:01Z","title":"Must Starforming Galaxies Rapidly Get Denser Before They Quench?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07577","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:fab3c7e216905d16bdc185571df1ea4d03f0c00a884d8a307cbe159b61f89644","target":"record","created_at":"2026-05-18T00:21:43Z","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":"073f072e8469726092dc1bb009a97a78ceac9dcd05d7f049791626a938bfd708","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-26T20:00:01Z","title_canon_sha256":"bf9a080b66a0bf117d1fc0c99fda7bf1fc80882fd7a1d1757757dd94d154fa1f"},"schema_version":"1.0","source":{"id":"1608.07577","kind":"arxiv","version":2}},"canonical_sha256":"17976861822d34b4232c34c3560f9827e8e636bbc05a6bc8dae00b094e56610e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17976861822d34b4232c34c3560f9827e8e636bbc05a6bc8dae00b094e56610e","first_computed_at":"2026-05-18T00:21:43.594998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:43.594998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dT0ZxPXr1Y9RcnEGVfmY1EilGUFEZ/uyymJtMmiuBxVlPFrRk8paCsNWwis8u0HMDPV+FsfnrZeft35Qy4BqCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:43.595777Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.07577","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fab3c7e216905d16bdc185571df1ea4d03f0c00a884d8a307cbe159b61f89644","sha256:f7d0476847c743194efe95b83729028542dcd7852592c2d5dfa4a89fc8547b06"],"state_sha256":"b9b67520a98fddd91985fb744f065b66223d881a55acc569144773304856e950"}