{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HC22T2TKUY6V3OWYX3YJBC4L37","short_pith_number":"pith:HC22T2TK","schema_version":"1.0","canonical_sha256":"38b5a9ea6aa63d5dbad8bef0908b8bdffb4717c3348f7a66469bbb5afad145cb","source":{"kind":"arxiv","id":"1610.01626","version":1},"attestation_state":"computed","paper":{"title":"MUFASA: Galaxy star formation, gas, and metal properties across cosmic time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Mika H. Rafieferantsoa, Philip F. Hopkins, Robert J. Thompson, Romeel Dav\\'e","submitted_at":"2016-10-05T20:05:27Z","abstract_excerpt":"We examine galaxy star formation rates (SFRs), metallicities, and gas contents predicted by the MUFASA cosmological hydrodynamic simulations, which employ meshless hydrodynamics and novel feedback prescriptions that yield a good match to observed galaxy stellar mass assembly. We combine 50, 25, and 12.5 Mpc/h boxes with a quarter billion particles each to show that MUFASA broadly reproduces a wide range of relevant observations, including SFR and specific SFR functions, the mass-metallicity relation, HI and H2 fractions, HI (21 cm) and CO luminosity functions, and cosmic gas density evolution."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1610.01626","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-05T20:05:27Z","cross_cats_sorted":[],"title_canon_sha256":"dac7632cec064460ab5c075956b65e24c91268ed7cefa03ad7b17ac24066949a","abstract_canon_sha256":"e3ec2affe658a6a7bb88896a0e28590de0eb1179ac7f1edc4cdf88d31e798aee"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:14.595090Z","signature_b64":"o/XK0hrMFwJmNZqhFHmuRqDU5lsARGdWe16KG96bdKwhHUOR2ZbrRuizYqaa6hCu6oJyZWHww1zsLmIp35VFDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38b5a9ea6aa63d5dbad8bef0908b8bdffb4717c3348f7a66469bbb5afad145cb","last_reissued_at":"2026-05-18T00:52:14.594558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:14.594558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MUFASA: Galaxy star formation, gas, and metal properties across cosmic time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Mika H. Rafieferantsoa, Philip F. Hopkins, Robert J. Thompson, Romeel Dav\\'e","submitted_at":"2016-10-05T20:05:27Z","abstract_excerpt":"We examine galaxy star formation rates (SFRs), metallicities, and gas contents predicted by the MUFASA cosmological hydrodynamic simulations, which employ meshless hydrodynamics and novel feedback prescriptions that yield a good match to observed galaxy stellar mass assembly. We combine 50, 25, and 12.5 Mpc/h boxes with a quarter billion particles each to show that MUFASA broadly reproduces a wide range of relevant observations, including SFR and specific SFR functions, the mass-metallicity relation, HI and H2 fractions, HI (21 cm) and CO luminosity functions, and cosmic gas density evolution."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01626","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1610.01626","created_at":"2026-05-18T00:52:14.594629+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.01626v1","created_at":"2026-05-18T00:52:14.594629+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01626","created_at":"2026-05-18T00:52:14.594629+00:00"},{"alias_kind":"pith_short_12","alias_value":"HC22T2TKUY6V","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HC22T2TKUY6V3OWY","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HC22T2TK","created_at":"2026-05-18T12:30:19.053100+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37","json":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37.json","graph_json":"https://pith.science/api/pith-number/HC22T2TKUY6V3OWYX3YJBC4L37/graph.json","events_json":"https://pith.science/api/pith-number/HC22T2TKUY6V3OWYX3YJBC4L37/events.json","paper":"https://pith.science/paper/HC22T2TK"},"agent_actions":{"view_html":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37","download_json":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37.json","view_paper":"https://pith.science/paper/HC22T2TK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.01626&json=true","fetch_graph":"https://pith.science/api/pith-number/HC22T2TKUY6V3OWYX3YJBC4L37/graph.json","fetch_events":"https://pith.science/api/pith-number/HC22T2TKUY6V3OWYX3YJBC4L37/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37/action/storage_attestation","attest_author":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37/action/author_attestation","sign_citation":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37/action/citation_signature","submit_replication":"https://pith.science/pith/HC22T2TKUY6V3OWYX3YJBC4L37/action/replication_record"}},"created_at":"2026-05-18T00:52:14.594629+00:00","updated_at":"2026-05-18T00:52:14.594629+00:00"}