{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:WC5HJGJFEUOVWDU7IBKWFLK2KT","short_pith_number":"pith:WC5HJGJF","schema_version":"1.0","canonical_sha256":"b0ba749925251d5b0e9f405562ad5a54d43a1289d0b01843090fd3b545710050","source":{"kind":"arxiv","id":"1709.07577","version":1},"attestation_state":"computed","paper":{"title":"The multiphase circumgalactic medium traced by low metal ions in EAGLE zoom simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexander J. Richings, Benjamin D. Oppenheimer, Jessica K. Werk, Joop Schaye, Robert A. Crain","submitted_at":"2017-09-22T02:47:02Z","abstract_excerpt":"We explore the circumgalactic metal content traced by commonly observed low ion absorbers, including C II, Si II, Si III, Si IV, and Mg II. We use a set of cosmological hydrodynamical zoom simulations run with the EAGLE model and including a non-equilibrium ionization and cooling module that follows 136 ions. The simulations of z~0.2 L* (M_200=10^11.7-10^12.3 Msol) haloes hosting star-forming galaxies and group-sized (M_200=10^12.7-10^13.3 Msol) haloes hosting mainly passive galaxies reproduce key trends observed by the COS-Halos survey-- low ion column densities show 1) little dependence on g"},"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":"1709.07577","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-22T02:47:02Z","cross_cats_sorted":[],"title_canon_sha256":"2be2b01e60b9745c7caf5848e5d179ebe50177b5c0805777fd7b26e5dcf6adeb","abstract_canon_sha256":"2c986a03e61a247ad37dd90f3eaf681af18a7bac2e4f441deb1462030f38b0ca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:11.881286Z","signature_b64":"KZRhWN8SeN40uQNtuy46Sste2Rek44MQH44jFh//cnXvi7fw7BVsRsTPEMDPp3aUw0OxJjhSgfXqkiq7mKTwCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0ba749925251d5b0e9f405562ad5a54d43a1289d0b01843090fd3b545710050","last_reissued_at":"2026-05-18T00:07:11.880628Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:11.880628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The multiphase circumgalactic medium traced by low metal ions in EAGLE zoom simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexander J. Richings, Benjamin D. Oppenheimer, Jessica K. Werk, Joop Schaye, Robert A. Crain","submitted_at":"2017-09-22T02:47:02Z","abstract_excerpt":"We explore the circumgalactic metal content traced by commonly observed low ion absorbers, including C II, Si II, Si III, Si IV, and Mg II. We use a set of cosmological hydrodynamical zoom simulations run with the EAGLE model and including a non-equilibrium ionization and cooling module that follows 136 ions. The simulations of z~0.2 L* (M_200=10^11.7-10^12.3 Msol) haloes hosting star-forming galaxies and group-sized (M_200=10^12.7-10^13.3 Msol) haloes hosting mainly passive galaxies reproduce key trends observed by the COS-Halos survey-- low ion column densities show 1) little dependence on g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07577","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":"1709.07577","created_at":"2026-05-18T00:07:11.880731+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.07577v1","created_at":"2026-05-18T00:07:11.880731+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07577","created_at":"2026-05-18T00:07:11.880731+00:00"},{"alias_kind":"pith_short_12","alias_value":"WC5HJGJFEUOV","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_16","alias_value":"WC5HJGJFEUOVWDU7","created_at":"2026-05-18T12:31:53.515858+00:00"},{"alias_kind":"pith_short_8","alias_value":"WC5HJGJF","created_at":"2026-05-18T12:31:53.515858+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/WC5HJGJFEUOVWDU7IBKWFLK2KT","json":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT.json","graph_json":"https://pith.science/api/pith-number/WC5HJGJFEUOVWDU7IBKWFLK2KT/graph.json","events_json":"https://pith.science/api/pith-number/WC5HJGJFEUOVWDU7IBKWFLK2KT/events.json","paper":"https://pith.science/paper/WC5HJGJF"},"agent_actions":{"view_html":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT","download_json":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT.json","view_paper":"https://pith.science/paper/WC5HJGJF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.07577&json=true","fetch_graph":"https://pith.science/api/pith-number/WC5HJGJFEUOVWDU7IBKWFLK2KT/graph.json","fetch_events":"https://pith.science/api/pith-number/WC5HJGJFEUOVWDU7IBKWFLK2KT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT/action/storage_attestation","attest_author":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT/action/author_attestation","sign_citation":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT/action/citation_signature","submit_replication":"https://pith.science/pith/WC5HJGJFEUOVWDU7IBKWFLK2KT/action/replication_record"}},"created_at":"2026-05-18T00:07:11.880731+00:00","updated_at":"2026-05-18T00:07:11.880731+00:00"}