{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZKSH2347S5VKNETI43FT2OTTHY","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":"05fa2285cb37b921618de1c30903536c58b19558552a94c127f3b385d71496e3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-22T19:00:01Z","title_canon_sha256":"6a68bdc11e100394d838589632ea2ad394d0652969b995ead353f05090f81b17"},"schema_version":"1.0","source":{"id":"2501.13152","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.13152","created_at":"2026-07-05T10:04:24Z"},{"alias_kind":"arxiv_version","alias_value":"2501.13152v1","created_at":"2026-07-05T10:04:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.13152","created_at":"2026-07-05T10:04:24Z"},{"alias_kind":"pith_short_12","alias_value":"ZKSH2347S5VK","created_at":"2026-07-05T10:04:24Z"},{"alias_kind":"pith_short_16","alias_value":"ZKSH2347S5VKNETI","created_at":"2026-07-05T10:04:24Z"},{"alias_kind":"pith_short_8","alias_value":"ZKSH2347","created_at":"2026-07-05T10:04:24Z"}],"graph_snapshots":[{"event_id":"sha256:eef87244455d0803bc50e86a03411d390c94ed31ff4c4011b55153a6c53fd423","target":"graph","created_at":"2026-07-05T10:04:24Z","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/2501.13152/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"From $>1000$ orbits of HST imaging, we present deep homogeneous resolved star color-magnitude diagrams that reach the oldest main sequence turnoff and uniformly measured star formation histories (SFHs) of 36 dwarf galaxies ($-6 \\ge M_V \\ge -17$) associated with the M31 halo, and for 10 additional fields in M31, M33, and the Giant Stellar Stream. From our SFHs we find: i) the median stellar age and quenching epoch of M31 satellites correlate with galaxy luminosity and galactocentric distance. Satellite luminosity and present-day distance from M31 predict the satellite quenching epoch to within ","authors_text":"A. A. Cole, A. E. Dolphin, A. J. Deason, A. L. Dotter, A. McConnachie, A. M. N. Ferguson, A. Savino, A. Wetzel, D. Mackey, D. R. Weisz, E. D. Skillman, E. J. Tollerud, E. N. Kirby, E. Patel, G. Besla, G. F. Lewis, J. Anderson, J. D. Simon, J. S. Bullock, K. M. Gilbert, M. Boylan-Kolchin, M. C. Cooper, M. C. Geha, M. Fardal, M. J. Durbin, M. Jeon, M. J. Irwin, M. L. M. Collins, N. Kallivayalil, N. Martin, P. Guhathakurta, R. Ibata, R. M. Rich, R. P. van der Marel, S. R. Majewski, S. T. Sohn, T. K. Fritz, T. M. Brown","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-22T19:00:01Z","title":"The Hubble Space Telescope Survey of M31 Satellite Galaxies IV. Survey Overview and Lifetime Star Formation Histories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.13152","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:da5e6f777e26b30a0c5525f3518de398305d723b37f098f3fd2278ea0db7051b","target":"record","created_at":"2026-07-05T10:04:24Z","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":"05fa2285cb37b921618de1c30903536c58b19558552a94c127f3b385d71496e3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-22T19:00:01Z","title_canon_sha256":"6a68bdc11e100394d838589632ea2ad394d0652969b995ead353f05090f81b17"},"schema_version":"1.0","source":{"id":"2501.13152","kind":"arxiv","version":1}},"canonical_sha256":"caa47d6f9f976aa69268e6cb3d3a733e37648c4053406d29e22737269134e9a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"caa47d6f9f976aa69268e6cb3d3a733e37648c4053406d29e22737269134e9a2","first_computed_at":"2026-07-05T10:04:24.312543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:04:24.312543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FC/8pPpTTqcAe/DRGFy0+QwyZabFUrBuyxH6gKZ8D9f7LpQZSTrb/V1GeA/UrkzrsGzgbO6C+2d8Z+IqrcmqCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:04:24.313011Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.13152","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da5e6f777e26b30a0c5525f3518de398305d723b37f098f3fd2278ea0db7051b","sha256:eef87244455d0803bc50e86a03411d390c94ed31ff4c4011b55153a6c53fd423"],"state_sha256":"e79e109e406ac96dbb0bef51d4202b2791c642223e9fdee955516b674e6e5c52"}