{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:UT6POC5DFE5URYLA7SGQQSFS2G","short_pith_number":"pith:UT6POC5D","schema_version":"1.0","canonical_sha256":"a4fcf70ba3293b48e160fc8d0848b2d1bd6d3e2312736364e6723b4ee5d9808c","source":{"kind":"arxiv","id":"1107.2298","version":1},"attestation_state":"computed","paper":{"title":"The Coalsack near and far","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"F. Heitsch, H. Beuther, J. Kainulainen, R. Plume, Th. Henning","submitted_at":"2011-07-12T14:11:43Z","abstract_excerpt":"Context: The large Coalsack dark cloud is one of the rare molecular clouds without clear signs of star formation. Aims: We investigate the dynamical properties of the gas within the Coalsack. Methods: The two highest extinction regions were mapped with the APEX telescope in 13CO(2-1) comprising a region of ~1 square degree. Results: In addition to the well-known, nearby gas component around -4km/s, we identified additional molecular gas components - in particular a second extended molecular cloud at a velocity of ~-30km/s and an estimated distance of ~3.1kpc - that dominate the column density "},"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":"1107.2298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-12T14:11:43Z","cross_cats_sorted":[],"title_canon_sha256":"c150df1b29f6e5dd89abc835834b88adc50c0943d2bf077beab0228915829cd1","abstract_canon_sha256":"3bf4e1960ec094a66b496a1746a209baef290f497898859f4b04c3db010e6a76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:19.671483Z","signature_b64":"315QmY7rkGbBHk2A1JGfG7bRDqbIsM1UuUesZf+9x1mZGlkwc8yd7nKGm7K7bldwsfNFlY3UqsVtBIucM+FnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4fcf70ba3293b48e160fc8d0848b2d1bd6d3e2312736364e6723b4ee5d9808c","last_reissued_at":"2026-05-18T02:01:19.670866Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:19.670866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Coalsack near and far","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"F. Heitsch, H. Beuther, J. Kainulainen, R. Plume, Th. Henning","submitted_at":"2011-07-12T14:11:43Z","abstract_excerpt":"Context: The large Coalsack dark cloud is one of the rare molecular clouds without clear signs of star formation. Aims: We investigate the dynamical properties of the gas within the Coalsack. Methods: The two highest extinction regions were mapped with the APEX telescope in 13CO(2-1) comprising a region of ~1 square degree. Results: In addition to the well-known, nearby gas component around -4km/s, we identified additional molecular gas components - in particular a second extended molecular cloud at a velocity of ~-30km/s and an estimated distance of ~3.1kpc - that dominate the column density "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2298","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":"1107.2298","created_at":"2026-05-18T02:01:19.670983+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.2298v1","created_at":"2026-05-18T02:01:19.670983+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2298","created_at":"2026-05-18T02:01:19.670983+00:00"},{"alias_kind":"pith_short_12","alias_value":"UT6POC5DFE5U","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_16","alias_value":"UT6POC5DFE5URYLA","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_8","alias_value":"UT6POC5D","created_at":"2026-05-18T12:26:42.757692+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/UT6POC5DFE5URYLA7SGQQSFS2G","json":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G.json","graph_json":"https://pith.science/api/pith-number/UT6POC5DFE5URYLA7SGQQSFS2G/graph.json","events_json":"https://pith.science/api/pith-number/UT6POC5DFE5URYLA7SGQQSFS2G/events.json","paper":"https://pith.science/paper/UT6POC5D"},"agent_actions":{"view_html":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G","download_json":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G.json","view_paper":"https://pith.science/paper/UT6POC5D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.2298&json=true","fetch_graph":"https://pith.science/api/pith-number/UT6POC5DFE5URYLA7SGQQSFS2G/graph.json","fetch_events":"https://pith.science/api/pith-number/UT6POC5DFE5URYLA7SGQQSFS2G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G/action/storage_attestation","attest_author":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G/action/author_attestation","sign_citation":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G/action/citation_signature","submit_replication":"https://pith.science/pith/UT6POC5DFE5URYLA7SGQQSFS2G/action/replication_record"}},"created_at":"2026-05-18T02:01:19.670983+00:00","updated_at":"2026-05-18T02:01:19.670983+00:00"}