{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:6MVZ7S4D7J5UQIRBFXPVP4PLOO","short_pith_number":"pith:6MVZ7S4D","schema_version":"1.0","canonical_sha256":"f32b9fcb83fa7b4822212ddf57f1eb73ac5ccdffd2a15df5c33e2484a24a2b3f","source":{"kind":"arxiv","id":"1604.04545","version":1},"attestation_state":"computed","paper":{"title":"How well does CO emission measure the H$_2$ mass of MCs?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"L\\'aszl\\'o Sz\\H{u}cs, Ralf S. Klessen, Simon C. O. Glover","submitted_at":"2016-04-15T15:46:00Z","abstract_excerpt":"We present numerical simulations of molecular clouds (MCs) with self-consistent CO gas-phase and isotope chemistry in various environments. The simulations are post-processed with a line radiative transfer code to obtain $^{12}$CO and $^{13}$CO emission maps for the $J=1\\rightarrow0$ rotational transition. The emission maps are analysed with commonly used observational methods, i.e. the $^{13}$CO column density measurement, the virial mass estimate and the so-called $X_{\\textrm{CO}}$ (also CO-to-H$_2$) conversion factor, and then the inferred quantities (i.e. mass and column density) are compa"},"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":"1604.04545","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-15T15:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"987e248c0b6430acb0fb9d14ecdc0c87a7fde895679ac14be17a2a2732ef364b","abstract_canon_sha256":"b41b03eee37cfef10ed0b7cf8748de876b66ed2d44ba2a138097f9cff1a9e5c7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:29.042283Z","signature_b64":"+gY31i55Gj/nXC1WJMywr1KotuEBFcYeIiPKsc2Pg0Guj3Ju2cWMq9r90hHsFI7zwYonunCiV2KD4SlY2T8qAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f32b9fcb83fa7b4822212ddf57f1eb73ac5ccdffd2a15df5c33e2484a24a2b3f","last_reissued_at":"2026-05-18T01:16:29.041725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:29.041725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How well does CO emission measure the H$_2$ mass of MCs?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"L\\'aszl\\'o Sz\\H{u}cs, Ralf S. Klessen, Simon C. O. Glover","submitted_at":"2016-04-15T15:46:00Z","abstract_excerpt":"We present numerical simulations of molecular clouds (MCs) with self-consistent CO gas-phase and isotope chemistry in various environments. The simulations are post-processed with a line radiative transfer code to obtain $^{12}$CO and $^{13}$CO emission maps for the $J=1\\rightarrow0$ rotational transition. The emission maps are analysed with commonly used observational methods, i.e. the $^{13}$CO column density measurement, the virial mass estimate and the so-called $X_{\\textrm{CO}}$ (also CO-to-H$_2$) conversion factor, and then the inferred quantities (i.e. mass and column density) are compa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.04545","kind":"arxiv","version":1},"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":"1604.04545","created_at":"2026-05-18T01:16:29.041822+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.04545v1","created_at":"2026-05-18T01:16:29.041822+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.04545","created_at":"2026-05-18T01:16:29.041822+00:00"},{"alias_kind":"pith_short_12","alias_value":"6MVZ7S4D7J5U","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_16","alias_value":"6MVZ7S4D7J5UQIRB","created_at":"2026-05-18T12:30:01.593930+00:00"},{"alias_kind":"pith_short_8","alias_value":"6MVZ7S4D","created_at":"2026-05-18T12:30:01.593930+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.21160","citing_title":"Star Formation at the Periphery of a Molecular Superbubble: The Case of G12.79+0.43","ref_index":66,"is_internal_anchor":true},{"citing_arxiv_id":"2605.21101","citing_title":"B-Fields and Star Formation across Scales with TRAO (B-FROST): CO Abundances, Dynamics and Relative Orientations in the Translucent High Latitude Cloud MBM12","ref_index":96,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO","json":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO.json","graph_json":"https://pith.science/api/pith-number/6MVZ7S4D7J5UQIRBFXPVP4PLOO/graph.json","events_json":"https://pith.science/api/pith-number/6MVZ7S4D7J5UQIRBFXPVP4PLOO/events.json","paper":"https://pith.science/paper/6MVZ7S4D"},"agent_actions":{"view_html":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO","download_json":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO.json","view_paper":"https://pith.science/paper/6MVZ7S4D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.04545&json=true","fetch_graph":"https://pith.science/api/pith-number/6MVZ7S4D7J5UQIRBFXPVP4PLOO/graph.json","fetch_events":"https://pith.science/api/pith-number/6MVZ7S4D7J5UQIRBFXPVP4PLOO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO/action/storage_attestation","attest_author":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO/action/author_attestation","sign_citation":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO/action/citation_signature","submit_replication":"https://pith.science/pith/6MVZ7S4D7J5UQIRBFXPVP4PLOO/action/replication_record"}},"created_at":"2026-05-18T01:16:29.041822+00:00","updated_at":"2026-05-18T01:16:29.041822+00:00"}