{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4KUGXBVC2PQWQI4P2IB7HWABDO","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":"be31147199ee67702730da78c3d8d706bd0333f9edab6f3291d9d96a3da6cc94","cross_cats_sorted":["astro-ph.CO","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-29T18:00:04Z","title_canon_sha256":"1680c308ada829f949ea5931e8ebd3a2872954179138f79ace8c58ca138e6ffd"},"schema_version":"1.0","source":{"id":"1808.09973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.09973","created_at":"2026-05-17T23:56:14Z"},{"alias_kind":"arxiv_version","alias_value":"1808.09973v2","created_at":"2026-05-17T23:56:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.09973","created_at":"2026-05-17T23:56:14Z"},{"alias_kind":"pith_short_12","alias_value":"4KUGXBVC2PQW","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4KUGXBVC2PQWQI4P","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4KUGXBVC","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:2a07f8d0d3a1008c1dbda46b66dd9d2bc3e2557b505a685fdbd51e13f16a8dba","target":"graph","created_at":"2026-05-17T23:56:14Z","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 study the components of cool and warm/hot gas in the circumgalactic medium (CGM) of simulated galaxies and address the relative production of OVI by photoionization versus collisional ionization, as a function of halo mass, redshift, and distance from the galaxy halo center. This is done utilizing two different suites of zoom-in hydro-cosmological simulations, VELA (6 halos; $z>1$) and NIHAO (18 halos; to $z=0$), which provide a broad theoretical basis because they use different codes and physical recipes for star formation and feedback. In all halos studied in this work, we find that colli","authors_text":"A. A. Dutton, A. Dekel, A. V. Macci\\`o, C. Strawn, D. Ceverino, J. Primack, J. Stern, J. X. Prochaska, O. Gnat, S. Roca-F\\`abrega, Y. Faerman","cross_cats":["astro-ph.CO","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-29T18:00:04Z","title":"CGM properties in VELA and NIHAO simulations; the OVI ionization mechanism: dependence on redshift, halo mass and radius"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.09973","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":"sha256:9bdd8ec972871a5b72f332c198a1203ac94f8f96b12e873414f97759d049321e","target":"record","created_at":"2026-05-17T23:56:14Z","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":"be31147199ee67702730da78c3d8d706bd0333f9edab6f3291d9d96a3da6cc94","cross_cats_sorted":["astro-ph.CO","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-29T18:00:04Z","title_canon_sha256":"1680c308ada829f949ea5931e8ebd3a2872954179138f79ace8c58ca138e6ffd"},"schema_version":"1.0","source":{"id":"1808.09973","kind":"arxiv","version":2}},"canonical_sha256":"e2a86b86a2d3e168238fd203f3d8011ba6ec555224461d22ed2a70ea3741009b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2a86b86a2d3e168238fd203f3d8011ba6ec555224461d22ed2a70ea3741009b","first_computed_at":"2026-05-17T23:56:14.729436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:14.729436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZQreu0GKDhNpQGqfTKsmpLokRUGxcZv9Wbi9+f6hxAl4gBzIOWBzaeAlwDQZOuG51XLCIsIl28/ZTP+Ji96RAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:14.730070Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.09973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9bdd8ec972871a5b72f332c198a1203ac94f8f96b12e873414f97759d049321e","sha256:2a07f8d0d3a1008c1dbda46b66dd9d2bc3e2557b505a685fdbd51e13f16a8dba"],"state_sha256":"2b52ad0079e00fbd1067ebaac8cb3b6f6fc4ce20d0d0ce5690413ee16f9dd311"}