{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OQ7XID5SGLRT5XFSKKFTIK5KPW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"daffa278e41a29b0bfb85924cc79c4e4bed6ea7bad856618ccbc6619a2608771","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T18:00:04Z","title_canon_sha256":"40e1b1023406331d35a07c14690b5ca4d13b5290946fa7dba5a8cc35c986f607"},"schema_version":"1.0","source":{"id":"1905.02214","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.02214","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"arxiv_version","alias_value":"1905.02214v1","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.02214","created_at":"2026-05-17T23:46:11Z"},{"alias_kind":"pith_short_12","alias_value":"OQ7XID5SGLRT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OQ7XID5SGLRT5XFS","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OQ7XID5S","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:6818b91b5c716d1edd028800044a3d5b4ded0471126046619d99f255af51bb09","target":"graph","created_at":"2026-05-17T23:46:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We find a tight correlation between the dust extinction, traced by the Balmer Decrement (BD$=$H$\\alpha$/H$\\beta$), the CO(1-0) line luminosity (L$_{CO}$) and total molecular gas mass (M$_{H2}$) in a sample of $222$ local star-forming galaxies drawn from the xCOLD GASS survey. As expected, the galaxy disk inclination affects the correlation by inducing a saturation of the Balmer decrement on highly inclined galaxies. Once this effect is taken into account, L$_{CO}$ and M$_{H2}$ can be expressed as a function of BD with a scatter of $\\sim 0.3$ dex. We do not find any dependence on galaxy size, m","authors_text":"Alice Concas, Paola Popesso","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T18:00:04Z","title":"A new empirical method to estimate the molecular gas mass in galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.02214","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:79280c7575734172133fc88fc2f37a882e78f417394d9fe4244a2cc26505bcdf","target":"record","created_at":"2026-05-17T23:46:11Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"daffa278e41a29b0bfb85924cc79c4e4bed6ea7bad856618ccbc6619a2608771","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-06T18:00:04Z","title_canon_sha256":"40e1b1023406331d35a07c14690b5ca4d13b5290946fa7dba5a8cc35c986f607"},"schema_version":"1.0","source":{"id":"1905.02214","kind":"arxiv","version":1}},"canonical_sha256":"743f740fb232e33edcb2528b342baa7d82d59416f0f67e58a4abcf3f4c1889cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"743f740fb232e33edcb2528b342baa7d82d59416f0f67e58a4abcf3f4c1889cb","first_computed_at":"2026-05-17T23:46:11.632991Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:11.632991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ufssbu4ks9e88MQzdr8pmlssalUr1YbRJUyhS+7JCuEjQWjXOQY0btylT/C6XInZTpCKVI/DamGhpHfJuDNRDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:11.633563Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.02214","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79280c7575734172133fc88fc2f37a882e78f417394d9fe4244a2cc26505bcdf","sha256:6818b91b5c716d1edd028800044a3d5b4ded0471126046619d99f255af51bb09"],"state_sha256":"57ad0078712bdd1b9da29ec0c152a1ee9016346b005d4810ee9a32a66892a49b"}