{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ","short_pith_number":"pith:F6ZFYB6Q","schema_version":"1.0","canonical_sha256":"2fb25c07d0d4f56676c8ab616cc73e5c0ed79d9a0164157529f06d00921cf710","source":{"kind":"arxiv","id":"2001.11682","version":1},"attestation_state":"computed","paper":{"title":"A large catalogue of molecular clouds with accurate distances within 4 kpc of the Galactic disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"B.-Q. Chen, C. Wang, G.-x. Li, H.-B. Yuan, H.-F. Wang, H.-W. Zhang, X.-W. Liu, Y. Huang, Z.-J. Tian","submitted_at":"2020-01-31T07:27:42Z","abstract_excerpt":"We present a large, homogeneous catalogue of molecular clouds within 4 kpc from the Sun at low Galactic latitudes ($|b|$ $<$ 10\\degr) with unprecedented accurate distance determinations. Based on the three-dimensional dust reddening map and estimates of colour excesses and distances of over 32 million stars presented in Chen et al, we have identified 567 dust/molecular clouds with a hierarchical structure identification method and obtained their distance estimates by a dust model fitting algorithm. The typical distance uncertainty is less than 5 per cent. As far as we know, this is the first l"},"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":"2001.11682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-31T07:27:42Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"e489087f9f53c53366ab7f6f829f46ae1cd6a03f43fb5661f4c48180d677594e","abstract_canon_sha256":"1cad963711081722b533b2e020f6a7f55fa485d9c8b1d43f4cecba03f0d9e423"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:40:10.380280Z","signature_b64":"8i/BYi4p4kJb74HIE0Hvj/o47S/Z/G/b7V/uko3ATQS6A4DVXq5G8a9gPcsbaqVRRoePc//K3lBUSvaz3MLwBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fb25c07d0d4f56676c8ab616cc73e5c0ed79d9a0164157529f06d00921cf710","last_reissued_at":"2026-07-05T00:40:10.379794Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:40:10.379794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A large catalogue of molecular clouds with accurate distances within 4 kpc of the Galactic disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"B.-Q. Chen, C. Wang, G.-x. Li, H.-B. Yuan, H.-F. Wang, H.-W. Zhang, X.-W. Liu, Y. Huang, Z.-J. Tian","submitted_at":"2020-01-31T07:27:42Z","abstract_excerpt":"We present a large, homogeneous catalogue of molecular clouds within 4 kpc from the Sun at low Galactic latitudes ($|b|$ $<$ 10\\degr) with unprecedented accurate distance determinations. Based on the three-dimensional dust reddening map and estimates of colour excesses and distances of over 32 million stars presented in Chen et al, we have identified 567 dust/molecular clouds with a hierarchical structure identification method and obtained their distance estimates by a dust model fitting algorithm. The typical distance uncertainty is less than 5 per cent. As far as we know, this is the first l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.11682","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.11682/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2001.11682","created_at":"2026-07-05T00:40:10.379854+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.11682v1","created_at":"2026-07-05T00:40:10.379854+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.11682","created_at":"2026-07-05T00:40:10.379854+00:00"},{"alias_kind":"pith_short_12","alias_value":"F6ZFYB6Q2T2W","created_at":"2026-07-05T00:40:10.379854+00:00"},{"alias_kind":"pith_short_16","alias_value":"F6ZFYB6Q2T2WM5WI","created_at":"2026-07-05T00:40:10.379854+00:00"},{"alias_kind":"pith_short_8","alias_value":"F6ZFYB6Q","created_at":"2026-07-05T00:40:10.379854+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/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ","json":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ.json","graph_json":"https://pith.science/api/pith-number/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/graph.json","events_json":"https://pith.science/api/pith-number/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/events.json","paper":"https://pith.science/paper/F6ZFYB6Q"},"agent_actions":{"view_html":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ","download_json":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ.json","view_paper":"https://pith.science/paper/F6ZFYB6Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.11682&json=true","fetch_graph":"https://pith.science/api/pith-number/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/graph.json","fetch_events":"https://pith.science/api/pith-number/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/action/storage_attestation","attest_author":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/action/author_attestation","sign_citation":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/action/citation_signature","submit_replication":"https://pith.science/pith/F6ZFYB6Q2T2WM5WIVNQWZRZ6LQ/action/replication_record"}},"created_at":"2026-07-05T00:40:10.379854+00:00","updated_at":"2026-07-05T00:40:10.379854+00:00"}