{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:7ZGOW4OVHOV7XCRLGZFMSX4WRD","short_pith_number":"pith:7ZGOW4OV","schema_version":"1.0","canonical_sha256":"fe4ceb71d53babfb8a2b364ac95f9688cf1a5c1eab643682c702ef9c53c75160","source":{"kind":"arxiv","id":"1709.07933","version":2},"attestation_state":"computed","paper":{"title":"ALMA shows that gas reservoirs of star-forming disks over the past 3 billion years are not predominantly molecular","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Catinella, L. Cortese, S. Janowiecki","submitted_at":"2017-09-22T20:12:54Z","abstract_excerpt":"Cold hydrogen gas is the raw fuel for star formation in galaxies, and its partition into atomic and molecular phases is a key quantity for galaxy evolution. In this Letter, we combine Atacama Large Millimeter/submillimeter Array and Arecibo single-dish observations to estimate the molecular-to-atomic hydrogen mass ratio for massive star-forming galaxies at $z\\sim$ 0.2 extracted from the HIGHz survey, i.e., some of the most massive gas-rich systems currently known. We show that the balance between atomic and molecular hydrogen in these galaxies is similar to that of local main-sequence disks, i"},"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":"1709.07933","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-22T20:12:54Z","cross_cats_sorted":[],"title_canon_sha256":"76743a62322eaa36addc904d5b50c6173e3dae31701cefdc6291d16c815ce817","abstract_canon_sha256":"b0dce7d10586794bf3474a536ebbc29fec274374848d498dc48e12db189e416f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:38.781309Z","signature_b64":"XV05bgjyfmbPy5gu45AavaDLrv31L3D1q7niU17ugN6y44SKGtOt9aeVbMY7Fr5lGuiWKVF9Chr/C/IH9o1cCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe4ceb71d53babfb8a2b364ac95f9688cf1a5c1eab643682c702ef9c53c75160","last_reissued_at":"2026-05-18T00:32:38.780880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:38.780880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ALMA shows that gas reservoirs of star-forming disks over the past 3 billion years are not predominantly molecular","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Catinella, L. Cortese, S. Janowiecki","submitted_at":"2017-09-22T20:12:54Z","abstract_excerpt":"Cold hydrogen gas is the raw fuel for star formation in galaxies, and its partition into atomic and molecular phases is a key quantity for galaxy evolution. In this Letter, we combine Atacama Large Millimeter/submillimeter Array and Arecibo single-dish observations to estimate the molecular-to-atomic hydrogen mass ratio for massive star-forming galaxies at $z\\sim$ 0.2 extracted from the HIGHz survey, i.e., some of the most massive gas-rich systems currently known. We show that the balance between atomic and molecular hydrogen in these galaxies is similar to that of local main-sequence disks, i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07933","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":"1709.07933","created_at":"2026-05-18T00:32:38.780944+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.07933v2","created_at":"2026-05-18T00:32:38.780944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07933","created_at":"2026-05-18T00:32:38.780944+00:00"},{"alias_kind":"pith_short_12","alias_value":"7ZGOW4OVHOV7","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"7ZGOW4OVHOV7XCRL","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"7ZGOW4OV","created_at":"2026-05-18T12:31:05.417338+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/7ZGOW4OVHOV7XCRLGZFMSX4WRD","json":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD.json","graph_json":"https://pith.science/api/pith-number/7ZGOW4OVHOV7XCRLGZFMSX4WRD/graph.json","events_json":"https://pith.science/api/pith-number/7ZGOW4OVHOV7XCRLGZFMSX4WRD/events.json","paper":"https://pith.science/paper/7ZGOW4OV"},"agent_actions":{"view_html":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD","download_json":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD.json","view_paper":"https://pith.science/paper/7ZGOW4OV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.07933&json=true","fetch_graph":"https://pith.science/api/pith-number/7ZGOW4OVHOV7XCRLGZFMSX4WRD/graph.json","fetch_events":"https://pith.science/api/pith-number/7ZGOW4OVHOV7XCRLGZFMSX4WRD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD/action/storage_attestation","attest_author":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD/action/author_attestation","sign_citation":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD/action/citation_signature","submit_replication":"https://pith.science/pith/7ZGOW4OVHOV7XCRLGZFMSX4WRD/action/replication_record"}},"created_at":"2026-05-18T00:32:38.780944+00:00","updated_at":"2026-05-18T00:32:38.780944+00:00"}