{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:KWHFMOF4MZRMSMHXTKZFXAVGGO","short_pith_number":"pith:KWHFMOF4","schema_version":"1.0","canonical_sha256":"558e5638bc6662c930f79ab25b82a6338332a1c8ef2ca848c567369fb5269eb2","source":{"kind":"arxiv","id":"1606.08854","version":1},"attestation_state":"computed","paper":{"title":"The JCMT Gould Belt Survey: A First Look at Southern Orion A with SCUBA-2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Chrysostomou, A. Duarte-Cabral, B.C. Matthews, C.J. Davis, C. Mowat, C. Salji, D. Bresnahan, D. Johnstone, D. Nutter, D. Robertson, D. Rumble, D.S. Berry, D. Ward-Thompson, E. Drabek-Maunder, E. Rosolowsky, G.A. Fuller, G. Joncas, G.J. White, G. Moriarty-Schieven, H. Broekhoven-Fiene, H. Butner, H. Kirk, H. Thomas, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Fiege, J. Greaves, J. Gregson, J. Hatchell, J.M. Kirk, J. Rawlings, J. Richer, J. Wouterloot, J. Yates, K. Marsh, K. Pattle, L.B.G. Knee, M. Chen, M. Fich, M.J. Currie, M.R. Hogerheijde, M. Zhu, N. Tothill, P. Bastien, P. Friberg, R. Friesen, S. Coud\\'e, S. Graves, S. Sadavoy, Steve Mairs, S. Viti, T. Jenness, W. Holland","submitted_at":"2016-06-28T20:00:07Z","abstract_excerpt":"We present the JCMT Gould Belt Survey's first look results of the southern extent of the Orion A Molecular Cloud ($\\delta \\leq -5\\mathrm{:}31\\mathrm{:}27.5$). Employing a two-step structure identification process, we construct individual catalogues for large-scale regions of significant emission labelled as islands and smaller-scale subregions called fragments using the 850 $\\mu$m continuum maps obtained using SCUBA-2. We calculate object masses, sizes, column densities, and concentrations. We discuss fragmentation in terms of a Jeans instability analysis and highlight interesting structures a"},"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":"1606.08854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-28T20:00:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"34f24a37aadb9a02ec0566d4e235a47ddd8d7ac1038f9d6aa4936e732238239f","abstract_canon_sha256":"41b20ea7cd328f57d20542fec31aad1e9952e3524d553eedf8dbfdf42b742b45"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:42.630151Z","signature_b64":"IbcveNdmjfOQQyY84JXNrK7ji1kMOldh/QGRY1C0boKw/SDK1m2fPEgsstpZM4vw2LFp04TvKCsK3TKe3ciNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"558e5638bc6662c930f79ab25b82a6338332a1c8ef2ca848c567369fb5269eb2","last_reissued_at":"2026-05-18T01:05:42.629682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:42.629682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The JCMT Gould Belt Survey: A First Look at Southern Orion A with SCUBA-2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Chrysostomou, A. Duarte-Cabral, B.C. Matthews, C.J. Davis, C. Mowat, C. Salji, D. Bresnahan, D. Johnstone, D. Nutter, D. Robertson, D. Rumble, D.S. Berry, D. Ward-Thompson, E. Drabek-Maunder, E. Rosolowsky, G.A. Fuller, G. Joncas, G.J. White, G. Moriarty-Schieven, H. Broekhoven-Fiene, H. Butner, H. Kirk, H. Thomas, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Fiege, J. Greaves, J. Gregson, J. Hatchell, J.M. Kirk, J. Rawlings, J. Richer, J. Wouterloot, J. Yates, K. Marsh, K. Pattle, L.B.G. Knee, M. Chen, M. Fich, M.J. Currie, M.R. Hogerheijde, M. Zhu, N. Tothill, P. Bastien, P. Friberg, R. Friesen, S. Coud\\'e, S. Graves, S. Sadavoy, Steve Mairs, S. Viti, T. Jenness, W. Holland","submitted_at":"2016-06-28T20:00:07Z","abstract_excerpt":"We present the JCMT Gould Belt Survey's first look results of the southern extent of the Orion A Molecular Cloud ($\\delta \\leq -5\\mathrm{:}31\\mathrm{:}27.5$). Employing a two-step structure identification process, we construct individual catalogues for large-scale regions of significant emission labelled as islands and smaller-scale subregions called fragments using the 850 $\\mu$m continuum maps obtained using SCUBA-2. We calculate object masses, sizes, column densities, and concentrations. We discuss fragmentation in terms of a Jeans instability analysis and highlight interesting structures a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.08854","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":"1606.08854","created_at":"2026-05-18T01:05:42.629769+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.08854v1","created_at":"2026-05-18T01:05:42.629769+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.08854","created_at":"2026-05-18T01:05:42.629769+00:00"},{"alias_kind":"pith_short_12","alias_value":"KWHFMOF4MZRM","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_16","alias_value":"KWHFMOF4MZRMSMHX","created_at":"2026-05-18T12:30:29.479603+00:00"},{"alias_kind":"pith_short_8","alias_value":"KWHFMOF4","created_at":"2026-05-18T12:30:29.479603+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/KWHFMOF4MZRMSMHXTKZFXAVGGO","json":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO.json","graph_json":"https://pith.science/api/pith-number/KWHFMOF4MZRMSMHXTKZFXAVGGO/graph.json","events_json":"https://pith.science/api/pith-number/KWHFMOF4MZRMSMHXTKZFXAVGGO/events.json","paper":"https://pith.science/paper/KWHFMOF4"},"agent_actions":{"view_html":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO","download_json":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO.json","view_paper":"https://pith.science/paper/KWHFMOF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.08854&json=true","fetch_graph":"https://pith.science/api/pith-number/KWHFMOF4MZRMSMHXTKZFXAVGGO/graph.json","fetch_events":"https://pith.science/api/pith-number/KWHFMOF4MZRMSMHXTKZFXAVGGO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO/action/storage_attestation","attest_author":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO/action/author_attestation","sign_citation":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO/action/citation_signature","submit_replication":"https://pith.science/pith/KWHFMOF4MZRMSMHXTKZFXAVGGO/action/replication_record"}},"created_at":"2026-05-18T01:05:42.629769+00:00","updated_at":"2026-05-18T01:05:42.629769+00:00"}