{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:AZJFYRFQGT7QGIJB7MOPWRNAYZ","short_pith_number":"pith:AZJFYRFQ","schema_version":"1.0","canonical_sha256":"06525c44b034ff032121fb1cfb45a0c67320a7ba98ed5a9c321db50b74a6c3e8","source":{"kind":"arxiv","id":"1811.12462","version":2},"attestation_state":"computed","paper":{"title":"Radiative Stellar Feedback in Galaxy Formation: Methods and Physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Andrew R. Wetzel (UC Davis), Claude-Andre Gaucher-Giguere (Northwestern), Dusan Keres (UCSD), Michael Y. Grudic (Caltech), Nathan Butcher (UCSD), Norman Murray (CITA), Philip F. Hopkins (Caltech), Xiangcheng Ma (UC Berkeley)","submitted_at":"2018-11-29T20:03:00Z","abstract_excerpt":"Radiative feedback (RFB) from stars plays a key role in galaxies, but remains poorly-understood. We explore this using high-resolution, multi-frequency radiation-hydrodynamics (RHD) simulations from the Feedback In Realistic Environments (FIRE) project. We study ultra-faint dwarf through Milky Way mass scales, including H+He photo-ionization; photo-electric, Lyman Werner, Compton, and dust heating; and single+multiple scattering radiation pressure (RP). We compare distinct numerical algorithms: ray-based LEBRON (exact when optically-thin) and moments-based M1 (exact when optically-thick). The "},"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":"1811.12462","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-29T20:03:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.IM"],"title_canon_sha256":"d9a5c151b9c43bceb53d9a058d55961452d8524cd6a83439b8ea31841fbf7e55","abstract_canon_sha256":"39c04f771f8bc0651d2e84b667654fcfee03e42099960c723527411ed9eee8c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:39:09.559379Z","signature_b64":"d/YDNE5j2vpFjs604mkL8lSaW525D+YPsuZL3ZQvVvMv27e8jSe5w+m90LWUL3ggD/MIfgckmL3dkfECB2I0Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06525c44b034ff032121fb1cfb45a0c67320a7ba98ed5a9c321db50b74a6c3e8","last_reissued_at":"2026-07-05T00:39:09.558853Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:39:09.558853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radiative Stellar Feedback in Galaxy Formation: Methods and Physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.IM"],"primary_cat":"astro-ph.GA","authors_text":"Andrew R. Wetzel (UC Davis), Claude-Andre Gaucher-Giguere (Northwestern), Dusan Keres (UCSD), Michael Y. Grudic (Caltech), Nathan Butcher (UCSD), Norman Murray (CITA), Philip F. Hopkins (Caltech), Xiangcheng Ma (UC Berkeley)","submitted_at":"2018-11-29T20:03:00Z","abstract_excerpt":"Radiative feedback (RFB) from stars plays a key role in galaxies, but remains poorly-understood. We explore this using high-resolution, multi-frequency radiation-hydrodynamics (RHD) simulations from the Feedback In Realistic Environments (FIRE) project. We study ultra-faint dwarf through Milky Way mass scales, including H+He photo-ionization; photo-electric, Lyman Werner, Compton, and dust heating; and single+multiple scattering radiation pressure (RP). We compare distinct numerical algorithms: ray-based LEBRON (exact when optically-thin) and moments-based M1 (exact when optically-thick). The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.12462","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/1811.12462/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":"1811.12462","created_at":"2026-07-05T00:39:09.558932+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.12462v2","created_at":"2026-07-05T00:39:09.558932+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.12462","created_at":"2026-07-05T00:39:09.558932+00:00"},{"alias_kind":"pith_short_12","alias_value":"AZJFYRFQGT7Q","created_at":"2026-07-05T00:39:09.558932+00:00"},{"alias_kind":"pith_short_16","alias_value":"AZJFYRFQGT7QGIJB","created_at":"2026-07-05T00:39:09.558932+00:00"},{"alias_kind":"pith_short_8","alias_value":"AZJFYRFQ","created_at":"2026-07-05T00:39:09.558932+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/AZJFYRFQGT7QGIJB7MOPWRNAYZ","json":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ.json","graph_json":"https://pith.science/api/pith-number/AZJFYRFQGT7QGIJB7MOPWRNAYZ/graph.json","events_json":"https://pith.science/api/pith-number/AZJFYRFQGT7QGIJB7MOPWRNAYZ/events.json","paper":"https://pith.science/paper/AZJFYRFQ"},"agent_actions":{"view_html":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ","download_json":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ.json","view_paper":"https://pith.science/paper/AZJFYRFQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.12462&json=true","fetch_graph":"https://pith.science/api/pith-number/AZJFYRFQGT7QGIJB7MOPWRNAYZ/graph.json","fetch_events":"https://pith.science/api/pith-number/AZJFYRFQGT7QGIJB7MOPWRNAYZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ/action/storage_attestation","attest_author":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ/action/author_attestation","sign_citation":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ/action/citation_signature","submit_replication":"https://pith.science/pith/AZJFYRFQGT7QGIJB7MOPWRNAYZ/action/replication_record"}},"created_at":"2026-07-05T00:39:09.558932+00:00","updated_at":"2026-07-05T00:39:09.558932+00:00"}