{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:HT4QYAMA2Z3SCY7O4NJQSYK3OY","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":"2d0e012ed82f4c073e2cea83387544695bffe45f16e1fbb5eb581ca2437291b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-16T19:00:00Z","title_canon_sha256":"cecd5482c68bacaf5ca0ec84eec85de8a030fb9298184ca72e4fbec0096f7130"},"schema_version":"1.0","source":{"id":"2102.08383","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.08383","created_at":"2026-07-05T07:59:01Z"},{"alias_kind":"arxiv_version","alias_value":"2102.08383v2","created_at":"2026-07-05T07:59:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.08383","created_at":"2026-07-05T07:59:01Z"},{"alias_kind":"pith_short_12","alias_value":"HT4QYAMA2Z3S","created_at":"2026-07-05T07:59:01Z"},{"alias_kind":"pith_short_16","alias_value":"HT4QYAMA2Z3SCY7O","created_at":"2026-07-05T07:59:01Z"},{"alias_kind":"pith_short_8","alias_value":"HT4QYAMA","created_at":"2026-07-05T07:59:01Z"}],"graph_snapshots":[{"event_id":"sha256:6549f9b5cd16a334040c9c0e0e79b6f8b90e1b4bf20e43ca8fb000b6d53668ec","target":"graph","created_at":"2026-07-05T07:59:01Z","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/2102.08383/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The circumgalactic medium (CGM) contains information on gas flows around galaxies, such as accretion and supernova-driven winds, which are difficult to constrain from observations alone. Here, we use the high-resolution TNG50 cosmological magnetohydrodynamical simulation to study the properties and kinematics of the CGM around star-forming galaxies in $10^{11.5}-10^{12}\\;M_{\\odot}$ halos at $z\\simeq$ 1 using mock MgII absorption lines, which we generate by postprocessing halos to account for photoionization in the presence of a UV background. We find that the MgII gas is a very good tracer of ","authors_text":"Daniel DeFelippis, Dylan Nelson, Federico Marinacci, Greg L. Bryan, Lars Hernquist, Nicolas F. Bouch\\'e, Shy Genel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-16T19:00:00Z","title":"A Comparison of Circumgalactic MgII Absorption between the TNG50 Simulation and the MEGAFLOW Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.08383","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":"sha256:3c8fcd940b27a7af6ebdb7c9ee5228ce0ebce569aaa2cb017fb75218c4dd09f2","target":"record","created_at":"2026-07-05T07:59:01Z","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":"2d0e012ed82f4c073e2cea83387544695bffe45f16e1fbb5eb581ca2437291b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-16T19:00:00Z","title_canon_sha256":"cecd5482c68bacaf5ca0ec84eec85de8a030fb9298184ca72e4fbec0096f7130"},"schema_version":"1.0","source":{"id":"2102.08383","kind":"arxiv","version":2}},"canonical_sha256":"3cf90c0180d6772163eee35309615b762dcf985e5d29ae4c7e324f23d13fd034","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3cf90c0180d6772163eee35309615b762dcf985e5d29ae4c7e324f23d13fd034","first_computed_at":"2026-07-05T07:59:01.425220Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:59:01.425220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eH/VBZpHuI0UjMbn7SJxt/DPsIgxSzf1P9UcVuOgnbfRWJOWElPAuPfESq7Zh4W2posmzDT+nAFZsCpUhFKDDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:59:01.425740Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.08383","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c8fcd940b27a7af6ebdb7c9ee5228ce0ebce569aaa2cb017fb75218c4dd09f2","sha256:6549f9b5cd16a334040c9c0e0e79b6f8b90e1b4bf20e43ca8fb000b6d53668ec"],"state_sha256":"cef7c7ce86e1cad12b2adab32fde4538a12de10bad30531cdfb3adabe5eb5c47"}