{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZH4NVJHB3OSDJBFNEV3EQBCZJ7","short_pith_number":"pith:ZH4NVJHB","schema_version":"1.0","canonical_sha256":"c9f8daa4e1dba43484ad25764804594fc609e33f8cc11c5eb3836e3979d4793d","source":{"kind":"arxiv","id":"1806.04575","version":1},"attestation_state":"computed","paper":{"title":"The oxygen abundance gradients in the gas discs of galaxies in the EAGLE simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Claudia del P. Lagos, Joop Schaye, Matthieu Schaller, Patricia B. Tissera, Richard G. Bower, Robert A. Crain, Tom Theuns, Yetli Rosas-Guevara","submitted_at":"2018-06-12T14:53:55Z","abstract_excerpt":"We use the EAGLE simulations to study the oxygen abundance gradients of gas discs in galaxies within the stellar mass range [10^9.5, 10^10.8]Mo at z=0. The estimated median oxygen gradient is -0.011 (0.002) dex kpc^-1, which is shallower than observed. No clear trend between simulated disc oxygen gradient and galaxy stellar mass is found when all galaxies are considered. However, the oxygen gradient shows a clear correlation with gas disc size so that shallower abundance slopes are found for increasing gas disc sizes. Positive oxygen gradients are detected for ~40 per cent of the analysed gas "},"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":"1806.04575","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-12T14:53:55Z","cross_cats_sorted":[],"title_canon_sha256":"3ac1097ef386b7b06b5a9989fc551167df3ca9dc2c158a2b8a15ba831f9bb91a","abstract_canon_sha256":"301e5f22e58ebc7c8604cc933837f24d16d2b79eeda8484464e32c422ce89602"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:59.079302Z","signature_b64":"g+jfdCSV8Ex4FGufPUI7VENhcpAjxaPuxcz0+EmfcGZDyJj86rG11yrwgD0YwiwXqGYUpKYk+RjN4LBHu+FaCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9f8daa4e1dba43484ad25764804594fc609e33f8cc11c5eb3836e3979d4793d","last_reissued_at":"2026-05-18T00:01:59.078878Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:59.078878Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The oxygen abundance gradients in the gas discs of galaxies in the EAGLE simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Claudia del P. Lagos, Joop Schaye, Matthieu Schaller, Patricia B. Tissera, Richard G. Bower, Robert A. Crain, Tom Theuns, Yetli Rosas-Guevara","submitted_at":"2018-06-12T14:53:55Z","abstract_excerpt":"We use the EAGLE simulations to study the oxygen abundance gradients of gas discs in galaxies within the stellar mass range [10^9.5, 10^10.8]Mo at z=0. The estimated median oxygen gradient is -0.011 (0.002) dex kpc^-1, which is shallower than observed. No clear trend between simulated disc oxygen gradient and galaxy stellar mass is found when all galaxies are considered. However, the oxygen gradient shows a clear correlation with gas disc size so that shallower abundance slopes are found for increasing gas disc sizes. Positive oxygen gradients are detected for ~40 per cent of the analysed gas "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04575","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":"1806.04575","created_at":"2026-05-18T00:01:59.078944+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.04575v1","created_at":"2026-05-18T00:01:59.078944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04575","created_at":"2026-05-18T00:01:59.078944+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZH4NVJHB3OSD","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZH4NVJHB3OSDJBFN","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZH4NVJHB","created_at":"2026-05-18T12:33:07.085635+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/ZH4NVJHB3OSDJBFNEV3EQBCZJ7","json":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7.json","graph_json":"https://pith.science/api/pith-number/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/graph.json","events_json":"https://pith.science/api/pith-number/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/events.json","paper":"https://pith.science/paper/ZH4NVJHB"},"agent_actions":{"view_html":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7","download_json":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7.json","view_paper":"https://pith.science/paper/ZH4NVJHB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.04575&json=true","fetch_graph":"https://pith.science/api/pith-number/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/graph.json","fetch_events":"https://pith.science/api/pith-number/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/action/storage_attestation","attest_author":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/action/author_attestation","sign_citation":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/action/citation_signature","submit_replication":"https://pith.science/pith/ZH4NVJHB3OSDJBFNEV3EQBCZJ7/action/replication_record"}},"created_at":"2026-05-18T00:01:59.078944+00:00","updated_at":"2026-05-18T00:01:59.078944+00:00"}