{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:55ZO7MDBXMSNZAWY3MGQFKGOP7","short_pith_number":"pith:55ZO7MDB","schema_version":"1.0","canonical_sha256":"ef72efb061bb24dc82d8db0d02a8ce7ff226018686afb4e3115fc3835e177203","source":{"kind":"arxiv","id":"1507.04362","version":2},"attestation_state":"computed","paper":{"title":"An Origin for Multi-Phase Gas in Galactic Winds and Halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"David Weinberg, Dong Zhang, Eliot Quataert, Todd A. Thompson","submitted_at":"2015-07-15T20:01:33Z","abstract_excerpt":"The physical origin of high velocity cool gas seen in galactic winds remains unknown. Following Wang (1995), we argue that radiative cooling in initially hot thermally-driven outflows can produce fast neutral atomic and photoionized cool gas. The inevitability of adiabatic cooling from the flow's initial 10^7-10^8K temperature and the shape of the cooling function for T<10^7K imply that outflows with hot gas mass-loss rate relative to star formation rate of beta=Mdot_hot/Mdot_star > 0.5 cool radiatively on scales ranging from the size of the energy injection region to tens of kpc. We highlight"},"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":"1507.04362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-07-15T20:01:33Z","cross_cats_sorted":[],"title_canon_sha256":"cc5ba922ffdd14d1eaba89019dd9593a04d86556f8a15ccf0804462ca5897b80","abstract_canon_sha256":"7b02f74285747ebdb98b523794b1c613ef235783225b42a1ed395a8f50eb4ba3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:18.728092Z","signature_b64":"meaBhb1bihhCd5yeXifgP4K7PhHkWhgrsf3hr34S/E2N0PrKFEIx6gC/Q0MKxGJiO+YWoHCJhP1IA6+HIzQVBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef72efb061bb24dc82d8db0d02a8ce7ff226018686afb4e3115fc3835e177203","last_reissued_at":"2026-05-18T01:24:18.727678Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:18.727678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Origin for Multi-Phase Gas in Galactic Winds and Halos","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"David Weinberg, Dong Zhang, Eliot Quataert, Todd A. Thompson","submitted_at":"2015-07-15T20:01:33Z","abstract_excerpt":"The physical origin of high velocity cool gas seen in galactic winds remains unknown. Following Wang (1995), we argue that radiative cooling in initially hot thermally-driven outflows can produce fast neutral atomic and photoionized cool gas. The inevitability of adiabatic cooling from the flow's initial 10^7-10^8K temperature and the shape of the cooling function for T<10^7K imply that outflows with hot gas mass-loss rate relative to star formation rate of beta=Mdot_hot/Mdot_star > 0.5 cool radiatively on scales ranging from the size of the energy injection region to tens of kpc. We highlight"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.04362","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":"1507.04362","created_at":"2026-05-18T01:24:18.727741+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.04362v2","created_at":"2026-05-18T01:24:18.727741+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.04362","created_at":"2026-05-18T01:24:18.727741+00:00"},{"alias_kind":"pith_short_12","alias_value":"55ZO7MDBXMSN","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"55ZO7MDBXMSNZAWY","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"55ZO7MDB","created_at":"2026-05-18T12:29:05.191682+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/55ZO7MDBXMSNZAWY3MGQFKGOP7","json":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7.json","graph_json":"https://pith.science/api/pith-number/55ZO7MDBXMSNZAWY3MGQFKGOP7/graph.json","events_json":"https://pith.science/api/pith-number/55ZO7MDBXMSNZAWY3MGQFKGOP7/events.json","paper":"https://pith.science/paper/55ZO7MDB"},"agent_actions":{"view_html":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7","download_json":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7.json","view_paper":"https://pith.science/paper/55ZO7MDB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.04362&json=true","fetch_graph":"https://pith.science/api/pith-number/55ZO7MDBXMSNZAWY3MGQFKGOP7/graph.json","fetch_events":"https://pith.science/api/pith-number/55ZO7MDBXMSNZAWY3MGQFKGOP7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7/action/storage_attestation","attest_author":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7/action/author_attestation","sign_citation":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7/action/citation_signature","submit_replication":"https://pith.science/pith/55ZO7MDBXMSNZAWY3MGQFKGOP7/action/replication_record"}},"created_at":"2026-05-18T01:24:18.727741+00:00","updated_at":"2026-05-18T01:24:18.727741+00:00"}