{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:MDNXH74FDABSOI37GLRJGAL7G3","short_pith_number":"pith:MDNXH74F","schema_version":"1.0","canonical_sha256":"60db73ff85180327237f32e293017f36feade5866d28f2aac94c1d357e84624d","source":{"kind":"arxiv","id":"2305.05679","version":2},"attestation_state":"computed","paper":{"title":"The impact of UV variability on the abundance of bright galaxies at $z \\geq 9$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Mark Vogelsberger, Michael Boylan-Kolchin, Rahul Kannan, Sandro Tacchella, Xuejian Shen","submitted_at":"2023-05-09T18:00:00Z","abstract_excerpt":"JWST observations have revealed a population of galaxies bright enough that potentially challenge standard galaxy formation models in the $\\Lambda$CDM cosmology. Using a minimal empirical framework, we investigate the influence of variability on the rest-frame ultra-violet (UV) luminosity function (UVLF) of galaxies at $z\\geq 9$. Our study differentiates between the $\\textit{median UV radiation yield}$ and the $\\textit{variability of UV luminosities}$ of galaxies at a fixed dark matter halo mass. We primarily focus on the latter effect, which depends on halo assembly and galaxy formation proce"},"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":"2305.05679","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-09T18:00:00Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d98e931b1854ddaef73186763b3dd59f1287c2dede58054b02ba9a46138aee9d","abstract_canon_sha256":"d2ba186221af76031384c583dae3961cbf94b16aa79603ace8382d8022e9b11a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:45:35.694487Z","signature_b64":"kwiUf1Cott/VUcUFOWeJAjl+D39J9pUW5s4zQo1V2PNLAyhKtOoV0P1mwxTxdktsCZ8g0f2yDwg8QPAG64zaDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60db73ff85180327237f32e293017f36feade5866d28f2aac94c1d357e84624d","last_reissued_at":"2026-07-05T06:45:35.693664Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:45:35.693664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The impact of UV variability on the abundance of bright galaxies at $z \\geq 9$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Mark Vogelsberger, Michael Boylan-Kolchin, Rahul Kannan, Sandro Tacchella, Xuejian Shen","submitted_at":"2023-05-09T18:00:00Z","abstract_excerpt":"JWST observations have revealed a population of galaxies bright enough that potentially challenge standard galaxy formation models in the $\\Lambda$CDM cosmology. Using a minimal empirical framework, we investigate the influence of variability on the rest-frame ultra-violet (UV) luminosity function (UVLF) of galaxies at $z\\geq 9$. Our study differentiates between the $\\textit{median UV radiation yield}$ and the $\\textit{variability of UV luminosities}$ of galaxies at a fixed dark matter halo mass. We primarily focus on the latter effect, which depends on halo assembly and galaxy formation proce"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.05679","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2305.05679/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2305.05679","created_at":"2026-07-05T06:45:35.693750+00:00"},{"alias_kind":"arxiv_version","alias_value":"2305.05679v2","created_at":"2026-07-05T06:45:35.693750+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.05679","created_at":"2026-07-05T06:45:35.693750+00:00"},{"alias_kind":"pith_short_12","alias_value":"MDNXH74FDABS","created_at":"2026-07-05T06:45:35.693750+00:00"},{"alias_kind":"pith_short_16","alias_value":"MDNXH74FDABSOI37","created_at":"2026-07-05T06:45:35.693750+00:00"},{"alias_kind":"pith_short_8","alias_value":"MDNXH74F","created_at":"2026-07-05T06:45:35.693750+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08749","citing_title":"Deep Spectroscopic Follow-Up of Maisie's Galaxy -- A Typical Galaxy in the Early Universe","ref_index":5,"is_internal_anchor":true},{"citing_arxiv_id":"2605.01023","citing_title":"Formation and Redshift Evolution of Dark Matter Spikes","ref_index":83,"is_internal_anchor":false},{"citing_arxiv_id":"2604.13866","citing_title":"Dark energy, spatial curvature, and star formation efficiency from JWST photometric and spectroscopic high-redshift galaxies","ref_index":134,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3","json":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3.json","graph_json":"https://pith.science/api/pith-number/MDNXH74FDABSOI37GLRJGAL7G3/graph.json","events_json":"https://pith.science/api/pith-number/MDNXH74FDABSOI37GLRJGAL7G3/events.json","paper":"https://pith.science/paper/MDNXH74F"},"agent_actions":{"view_html":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3","download_json":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3.json","view_paper":"https://pith.science/paper/MDNXH74F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2305.05679&json=true","fetch_graph":"https://pith.science/api/pith-number/MDNXH74FDABSOI37GLRJGAL7G3/graph.json","fetch_events":"https://pith.science/api/pith-number/MDNXH74FDABSOI37GLRJGAL7G3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3/action/storage_attestation","attest_author":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3/action/author_attestation","sign_citation":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3/action/citation_signature","submit_replication":"https://pith.science/pith/MDNXH74FDABSOI37GLRJGAL7G3/action/replication_record"}},"created_at":"2026-07-05T06:45:35.693750+00:00","updated_at":"2026-07-05T06:45:35.693750+00:00"}