{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TMB65BOPRU44X347XSYUECGUZT","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":"ff905932689ba78f870a16cf9ce66ab7aa42cd0b834e4918e6e0aaa90ba28918","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T14:57:03Z","title_canon_sha256":"76e9da24dca5c2f51083654c34efc16f64bf4ffa1f1425ac07b35c5c9fa1eeed"},"schema_version":"1.0","source":{"id":"1804.09079","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09079","created_at":"2026-05-18T00:10:44Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09079v3","created_at":"2026-05-18T00:10:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09079","created_at":"2026-05-18T00:10:44Z"},{"alias_kind":"pith_short_12","alias_value":"TMB65BOPRU44","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TMB65BOPRU44X347","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TMB65BOP","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:904eb68b80781c1d8a2c4372776d39051c46ab6f292a7eec4931d458c12d29b7","target":"graph","created_at":"2026-05-18T00:10:44Z","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":"The recently inferred variations in the stellar initial mass function (IMF) among local high-mass early-type galaxies may require a reinterpretation of observations of galaxy populations and may have important consequences for the predictions of models of galaxy formation and evolution. We present a new pair of cosmological, hydrodynamical simulations based on the EAGLE model that self-consistently adopt an IMF that respectively becomes bottom- or top-heavy in high-pressure environments for individual star-forming gas particles. In such models, the excess stellar mass-to-light ($M/L$) ratio wi","authors_text":"Christopher Barber, Joop Schaye, Robert A. Crain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T14:57:03Z","title":"Calibrated, cosmological hydrodynamical simulations with variable IMFs I: Method and effect on global galaxy scaling relations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09079","kind":"arxiv","version":3},"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:ffcd7feb2d89f7788b12b484c7b3f30f88f5613cdecd934a4e1e4035acd9cd8b","target":"record","created_at":"2026-05-18T00:10:44Z","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":"ff905932689ba78f870a16cf9ce66ab7aa42cd0b834e4918e6e0aaa90ba28918","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-24T14:57:03Z","title_canon_sha256":"76e9da24dca5c2f51083654c34efc16f64bf4ffa1f1425ac07b35c5c9fa1eeed"},"schema_version":"1.0","source":{"id":"1804.09079","kind":"arxiv","version":3}},"canonical_sha256":"9b03ee85cf8d39cbef9fbcb14208d4ccc05d37fe3fdb1a0ac3f930c0776317e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b03ee85cf8d39cbef9fbcb14208d4ccc05d37fe3fdb1a0ac3f930c0776317e5","first_computed_at":"2026-05-18T00:10:44.612633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:44.612633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GAxyDx0mVJ6CgTWRQF51ADC9FggmKm49mvGDShpEqDIngnqfSaVOBNn6unKzAeN/BA6VhwvLd6K+6LfvUHbnCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:44.613040Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09079","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffcd7feb2d89f7788b12b484c7b3f30f88f5613cdecd934a4e1e4035acd9cd8b","sha256:904eb68b80781c1d8a2c4372776d39051c46ab6f292a7eec4931d458c12d29b7"],"state_sha256":"cb6a8e1c4b94d1604e774896a985fc1f453b06a27c3e732e7e9143da75065df6"}