{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:MKWHET5NQL7IPKPQLAZAQOQ7UG","short_pith_number":"pith:MKWHET5N","schema_version":"1.0","canonical_sha256":"62ac724fad82fe87a9f05832083a1fa1ae3dc7c1a795c9561c727fd4025e8891","source":{"kind":"arxiv","id":"1409.0914","version":2},"attestation_state":"computed","paper":{"title":"Direct Insights into Observational Absorption Line Analysis Methods of the Circumgalactic Medium Using Cosmological Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anatoly Klypin, Christopher W. Churchill, Glenn G. Kacprzak, Jacob R. Vander Vliet, Sebastian Trujillo-Gomez","submitted_at":"2014-09-02T22:56:41Z","abstract_excerpt":"We study the circumgalactic medium (CGM) of a z=0.54 simulated dwarf galaxy using hydroART simulations. We present our analysis methods, which emulate observations, including objective absorption line detection, apparent optical depth (AOD) measurements, Voigt profile (VP) decomposition, and ionization modeling. By comparing the inferred CGM gas properties from the absorption lines directly to the gas selected by low ionization HI and MgII, and by higher ionization CIV and OVI absorption, we examine how well observational analysis methods recover the \"true\" properties of CGM gas. In this dwarf"},"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":"1409.0914","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-02T22:56:41Z","cross_cats_sorted":[],"title_canon_sha256":"1a3880e467709319d6eb76ee94badda00c51ed698a6db3a24827485609c42792","abstract_canon_sha256":"60cf96fff1869ae0abbd9ae1cb9c038f88fa980bef65c933ec562b2c308ce0f0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.895924Z","signature_b64":"c+o43TKt3U+dt9gcvDCWGhv02ZY9e0+Aku1eZ93q68Je9AXnHNBQm7kf09rWCL0UqDbT+3lXLY4+G4ajJ/XBCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62ac724fad82fe87a9f05832083a1fa1ae3dc7c1a795c9561c727fd4025e8891","last_reissued_at":"2026-05-18T01:42:08.895164Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.895164Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Insights into Observational Absorption Line Analysis Methods of the Circumgalactic Medium Using Cosmological Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anatoly Klypin, Christopher W. Churchill, Glenn G. Kacprzak, Jacob R. Vander Vliet, Sebastian Trujillo-Gomez","submitted_at":"2014-09-02T22:56:41Z","abstract_excerpt":"We study the circumgalactic medium (CGM) of a z=0.54 simulated dwarf galaxy using hydroART simulations. We present our analysis methods, which emulate observations, including objective absorption line detection, apparent optical depth (AOD) measurements, Voigt profile (VP) decomposition, and ionization modeling. By comparing the inferred CGM gas properties from the absorption lines directly to the gas selected by low ionization HI and MgII, and by higher ionization CIV and OVI absorption, we examine how well observational analysis methods recover the \"true\" properties of CGM gas. In this dwarf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0914","kind":"arxiv","version":2},"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":"1409.0914","created_at":"2026-05-18T01:42:08.895281+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.0914v2","created_at":"2026-05-18T01:42:08.895281+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0914","created_at":"2026-05-18T01:42:08.895281+00:00"},{"alias_kind":"pith_short_12","alias_value":"MKWHET5NQL7I","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_16","alias_value":"MKWHET5NQL7IPKPQ","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_8","alias_value":"MKWHET5N","created_at":"2026-05-18T12:28:38.356838+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/MKWHET5NQL7IPKPQLAZAQOQ7UG","json":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG.json","graph_json":"https://pith.science/api/pith-number/MKWHET5NQL7IPKPQLAZAQOQ7UG/graph.json","events_json":"https://pith.science/api/pith-number/MKWHET5NQL7IPKPQLAZAQOQ7UG/events.json","paper":"https://pith.science/paper/MKWHET5N"},"agent_actions":{"view_html":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG","download_json":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG.json","view_paper":"https://pith.science/paper/MKWHET5N","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.0914&json=true","fetch_graph":"https://pith.science/api/pith-number/MKWHET5NQL7IPKPQLAZAQOQ7UG/graph.json","fetch_events":"https://pith.science/api/pith-number/MKWHET5NQL7IPKPQLAZAQOQ7UG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG/action/storage_attestation","attest_author":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG/action/author_attestation","sign_citation":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG/action/citation_signature","submit_replication":"https://pith.science/pith/MKWHET5NQL7IPKPQLAZAQOQ7UG/action/replication_record"}},"created_at":"2026-05-18T01:42:08.895281+00:00","updated_at":"2026-05-18T01:42:08.895281+00:00"}