{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:X5B6U3UJRUSDN64WQXFJEJJT37","short_pith_number":"pith:X5B6U3UJ","schema_version":"1.0","canonical_sha256":"bf43ea6e898d2436fb9685ca922533dfe16faf8035d433011a25c89aa3fc5145","source":{"kind":"arxiv","id":"1512.01235","version":2},"attestation_state":"computed","paper":{"title":"Breathing FIRE: How Stellar Feedback Drives Radial Migration, Rapid Size Fluctuations, and Population Gradients in Low-Mass Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew R. Wetzel, Claude-Andr\\'e Faucher-Gigu\\`ere, Du\\v{s}an Kere\\v{s}, Kareem El-Badry, Marla Geha, Philip F. Hopkins, T. K. Chan","submitted_at":"2015-12-03T21:00:02Z","abstract_excerpt":"We examine the effects of stellar feedback and bursty star formation on low-mass galaxies ($M_{\\rm star}=2\\times10^6-5\\times10^{10}{\\rm M_{\\odot}}$) using the FIRE (Feedback in Realistic Environments) simulations. While previous studies emphasized the impact of feedback on dark matter profiles, we investigate the impact on the stellar component: kinematics, radial migration, size evolution, and population gradients. Feedback-driven outflows/inflows drive significant radial stellar migration over both short and long timescales via two processes: (1) outflowing/infalling gas can remain star-form"},"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":"1512.01235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-03T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"a9cbe09e9096718c24d4ff7f4d5413b3e6a6a992d049edc59066b2b05636a096","abstract_canon_sha256":"8475249fb6a48cc3edec3418927e68795f3e0e28991c8cb2a881610c943a34c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:59.442052Z","signature_b64":"LQ1wkynj8ee77zT4v883waE48T/nS58deM6X289WgPo/kOL2tKS3dBlA9NfEKW12fkgIUZ8em+TI3+2z8im0BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf43ea6e898d2436fb9685ca922533dfe16faf8035d433011a25c89aa3fc5145","last_reissued_at":"2026-05-18T01:17:59.441301Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:59.441301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Breathing FIRE: How Stellar Feedback Drives Radial Migration, Rapid Size Fluctuations, and Population Gradients in Low-Mass Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew R. Wetzel, Claude-Andr\\'e Faucher-Gigu\\`ere, Du\\v{s}an Kere\\v{s}, Kareem El-Badry, Marla Geha, Philip F. Hopkins, T. K. Chan","submitted_at":"2015-12-03T21:00:02Z","abstract_excerpt":"We examine the effects of stellar feedback and bursty star formation on low-mass galaxies ($M_{\\rm star}=2\\times10^6-5\\times10^{10}{\\rm M_{\\odot}}$) using the FIRE (Feedback in Realistic Environments) simulations. While previous studies emphasized the impact of feedback on dark matter profiles, we investigate the impact on the stellar component: kinematics, radial migration, size evolution, and population gradients. Feedback-driven outflows/inflows drive significant radial stellar migration over both short and long timescales via two processes: (1) outflowing/infalling gas can remain star-form"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01235","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":"1512.01235","created_at":"2026-05-18T01:17:59.441439+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.01235v2","created_at":"2026-05-18T01:17:59.441439+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01235","created_at":"2026-05-18T01:17:59.441439+00:00"},{"alias_kind":"pith_short_12","alias_value":"X5B6U3UJRUSD","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"X5B6U3UJRUSDN64W","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"X5B6U3UJ","created_at":"2026-05-18T12:29:47.479230+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":5,"sample":[{"citing_arxiv_id":"2606.27479","citing_title":"The Bright Future of the Dark and Dim Universe","ref_index":71,"is_internal_anchor":true},{"citing_arxiv_id":"2606.00493","citing_title":"Non-linear Dynamical Stability of Magnetic Polytropes","ref_index":140,"is_internal_anchor":true},{"citing_arxiv_id":"2606.26218","citing_title":"Dark Matter in Draco and Bo\\\"otes I: Hints of a Core in an Ultra-Faint Dwarf from Simulation-Based Inference","ref_index":144,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15893","citing_title":"Probing the faint end of simulated galaxy counts at z>3","ref_index":119,"is_internal_anchor":true},{"citing_arxiv_id":"2605.15275","citing_title":"The Simulated Oxygen Shortage (SOS): Mapping the Missing OVI in Simulated Dwarf Galaxies to Subgrid Physics","ref_index":107,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37","json":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37.json","graph_json":"https://pith.science/api/pith-number/X5B6U3UJRUSDN64WQXFJEJJT37/graph.json","events_json":"https://pith.science/api/pith-number/X5B6U3UJRUSDN64WQXFJEJJT37/events.json","paper":"https://pith.science/paper/X5B6U3UJ"},"agent_actions":{"view_html":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37","download_json":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37.json","view_paper":"https://pith.science/paper/X5B6U3UJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.01235&json=true","fetch_graph":"https://pith.science/api/pith-number/X5B6U3UJRUSDN64WQXFJEJJT37/graph.json","fetch_events":"https://pith.science/api/pith-number/X5B6U3UJRUSDN64WQXFJEJJT37/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37/action/storage_attestation","attest_author":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37/action/author_attestation","sign_citation":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37/action/citation_signature","submit_replication":"https://pith.science/pith/X5B6U3UJRUSDN64WQXFJEJJT37/action/replication_record"}},"created_at":"2026-05-18T01:17:59.441439+00:00","updated_at":"2026-05-18T01:17:59.441439+00:00"}