{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BV4LHMVSVIEAC63J52MQ2NFC4F","short_pith_number":"pith:BV4LHMVS","schema_version":"1.0","canonical_sha256":"0d78b3b2b2aa08017b69ee990d34a2e14ed816f3ee033159f5efc6b609450cbd","source":{"kind":"arxiv","id":"1706.07164","version":2},"attestation_state":"computed","paper":{"title":"CO observations of the molecular gas in the galactic HII region Sh2-48; Evidence for cloud-cloud collision as a trigger of high-mass star formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akio Ohama, Asao Habe, Atsushi Nishimura, Kazufumi Torii, Kazuhiro Shima, Kengo Tachihara, Mika Kuriki, Mikito Kohno, Mitsuhiro Matsuo, Nario Kuno, Satoshi Yoshiike, Shinji Fujita, Tetsuhiro Minamidani, Thomas J. Haworth, Tomofumi Umemoto, Yasuo Fukui, Yusuke Hattori, Yuya Tsuda","submitted_at":"2017-06-22T04:14:48Z","abstract_excerpt":"Sh2-48 is a Galactic HII region located at 3.8 kpc with an O9.5-type star identified at its center. As a part of the FOREST Unbiased Galactic plane Imaging survey using the Nobeyama 45-m telescope (FUGIN) project, we obtained the CO J=1-0 dataset for a large area of Sh2-48 at a spatial resolution of 21\"(~0.4 pc), which we used to find a molecular cloud with a total molecular mass of ~3.8x10^4 Mo associated with Sh2-48. The molecular cloud has a systematic velocity shift within a velocity range ~42-47 km/s . On the lower velocity side the CO emission spatially corresponds with the bright 8 {\\mu"},"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":"1706.07164","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T04:14:48Z","cross_cats_sorted":[],"title_canon_sha256":"401aac0dafba83402a1383a600f8268a7c4c079f55f5d33c06692df1f137d546","abstract_canon_sha256":"882568f77516cdaac1096ef95fc20e94c43a4fc08ca62cb953374e77e7d282b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:30.505613Z","signature_b64":"jCKjWNDiVBGqSPaIRGTFehFfhwryCo20LNGk9KmIvdpDRjyhduht5TEFX23RIP6CmizX4wq9hSiE9Yw8h8V3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d78b3b2b2aa08017b69ee990d34a2e14ed816f3ee033159f5efc6b609450cbd","last_reissued_at":"2026-05-18T00:01:30.505145Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:30.505145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CO observations of the molecular gas in the galactic HII region Sh2-48; Evidence for cloud-cloud collision as a trigger of high-mass star formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Akio Ohama, Asao Habe, Atsushi Nishimura, Kazufumi Torii, Kazuhiro Shima, Kengo Tachihara, Mika Kuriki, Mikito Kohno, Mitsuhiro Matsuo, Nario Kuno, Satoshi Yoshiike, Shinji Fujita, Tetsuhiro Minamidani, Thomas J. Haworth, Tomofumi Umemoto, Yasuo Fukui, Yusuke Hattori, Yuya Tsuda","submitted_at":"2017-06-22T04:14:48Z","abstract_excerpt":"Sh2-48 is a Galactic HII region located at 3.8 kpc with an O9.5-type star identified at its center. As a part of the FOREST Unbiased Galactic plane Imaging survey using the Nobeyama 45-m telescope (FUGIN) project, we obtained the CO J=1-0 dataset for a large area of Sh2-48 at a spatial resolution of 21\"(~0.4 pc), which we used to find a molecular cloud with a total molecular mass of ~3.8x10^4 Mo associated with Sh2-48. The molecular cloud has a systematic velocity shift within a velocity range ~42-47 km/s . On the lower velocity side the CO emission spatially corresponds with the bright 8 {\\mu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07164","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":"1706.07164","created_at":"2026-05-18T00:01:30.505211+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.07164v2","created_at":"2026-05-18T00:01:30.505211+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07164","created_at":"2026-05-18T00:01:30.505211+00:00"},{"alias_kind":"pith_short_12","alias_value":"BV4LHMVSVIEA","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BV4LHMVSVIEAC63J","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BV4LHMVS","created_at":"2026-05-18T12:31:08.081275+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/BV4LHMVSVIEAC63J52MQ2NFC4F","json":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F.json","graph_json":"https://pith.science/api/pith-number/BV4LHMVSVIEAC63J52MQ2NFC4F/graph.json","events_json":"https://pith.science/api/pith-number/BV4LHMVSVIEAC63J52MQ2NFC4F/events.json","paper":"https://pith.science/paper/BV4LHMVS"},"agent_actions":{"view_html":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F","download_json":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F.json","view_paper":"https://pith.science/paper/BV4LHMVS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.07164&json=true","fetch_graph":"https://pith.science/api/pith-number/BV4LHMVSVIEAC63J52MQ2NFC4F/graph.json","fetch_events":"https://pith.science/api/pith-number/BV4LHMVSVIEAC63J52MQ2NFC4F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F/action/storage_attestation","attest_author":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F/action/author_attestation","sign_citation":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F/action/citation_signature","submit_replication":"https://pith.science/pith/BV4LHMVSVIEAC63J52MQ2NFC4F/action/replication_record"}},"created_at":"2026-05-18T00:01:30.505211+00:00","updated_at":"2026-05-18T00:01:30.505211+00:00"}