{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:JY5DAHP624CAWY5NRWL6VLOVKE","short_pith_number":"pith:JY5DAHP6","schema_version":"1.0","canonical_sha256":"4e3a301dfed7040b63ad8d97eaadd5510d5f1cf0b15122fc54ceee180af7f8d4","source":{"kind":"arxiv","id":"1409.1233","version":1},"attestation_state":"computed","paper":{"title":"CARMA Large Area Star Formation Survey: Project Overview with Analysis of Dense Gas Structure and Kinematics in Barnard 1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Isella, A. L. Plunkett, C. Chen, C. F. Gammie, D. M. Salter, D. Segura-Cox, E. C. Ostriker, E. Rosolowsky, H. G. Arce, H. Gong, J. J. Tobin, J. Kauffmann, K. I. Lee, K. Tassis, L. G. Mundy, L. Testi, L. W. Looney, M. Fern\\'andez-L\\'opez, M. W. Pound, N. H. Volgenau, P. J. Teuben, R. M. Crutcher, S. Storm, W. Kwon, Y. L. Shirley","submitted_at":"2014-09-03T20:00:13Z","abstract_excerpt":"We present details of the CARMA Large Area Star Formation Survey (CLASSy), while focusing on observations of Barnard 1. CLASSy is a CARMA Key Project that spectrally imaged N2H+, HCO+, and HCN (J=1-0 transitions) across over 800 square arcminutes of the Perseus and Serpens Molecular Clouds. The observations have angular resolution near 7\" and spectral resolution near 0.16 km/s. We imaged ~150 square arcminutes of Barnard 1, focusing on the main core, and the B1 Ridge and clumps to its southwest. N2H+ shows the strongest emission, with morphology similar to cool dust in the region, while HCO+ 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":"1409.1233","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-09-03T20:00:13Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ae5499163718266f6061bb20ab1eda06686dc5393d57df9f5efa08bc9303ce8e","abstract_canon_sha256":"2e347f40f75b01693c23ace37d621c5c7968d703d665cdce8aab59bd5b4e43eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.385094Z","signature_b64":"2yiTErLi84Df8uARWLkIb9qg8RWFSBB5FuPdY12OMl5OMo6b64DO27/fuvcmNML09s5o5Nzy8Uh4BVsTNTv4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e3a301dfed7040b63ad8d97eaadd5510d5f1cf0b15122fc54ceee180af7f8d4","last_reissued_at":"2026-05-18T01:42:08.384310Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.384310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CARMA Large Area Star Formation Survey: Project Overview with Analysis of Dense Gas Structure and Kinematics in Barnard 1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Isella, A. L. Plunkett, C. Chen, C. F. Gammie, D. M. Salter, D. Segura-Cox, E. C. Ostriker, E. Rosolowsky, H. G. Arce, H. Gong, J. J. Tobin, J. Kauffmann, K. I. Lee, K. Tassis, L. G. Mundy, L. Testi, L. W. Looney, M. Fern\\'andez-L\\'opez, M. W. Pound, N. H. Volgenau, P. J. Teuben, R. M. Crutcher, S. Storm, W. Kwon, Y. L. Shirley","submitted_at":"2014-09-03T20:00:13Z","abstract_excerpt":"We present details of the CARMA Large Area Star Formation Survey (CLASSy), while focusing on observations of Barnard 1. CLASSy is a CARMA Key Project that spectrally imaged N2H+, HCO+, and HCN (J=1-0 transitions) across over 800 square arcminutes of the Perseus and Serpens Molecular Clouds. The observations have angular resolution near 7\" and spectral resolution near 0.16 km/s. We imaged ~150 square arcminutes of Barnard 1, focusing on the main core, and the B1 Ridge and clumps to its southwest. N2H+ shows the strongest emission, with morphology similar to cool dust in the region, while HCO+ a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1233","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":"1409.1233","created_at":"2026-05-18T01:42:08.384463+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.1233v1","created_at":"2026-05-18T01:42:08.384463+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1233","created_at":"2026-05-18T01:42:08.384463+00:00"},{"alias_kind":"pith_short_12","alias_value":"JY5DAHP624CA","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_16","alias_value":"JY5DAHP624CAWY5N","created_at":"2026-05-18T12:28:35.611951+00:00"},{"alias_kind":"pith_short_8","alias_value":"JY5DAHP6","created_at":"2026-05-18T12:28:35.611951+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/JY5DAHP624CAWY5NRWL6VLOVKE","json":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE.json","graph_json":"https://pith.science/api/pith-number/JY5DAHP624CAWY5NRWL6VLOVKE/graph.json","events_json":"https://pith.science/api/pith-number/JY5DAHP624CAWY5NRWL6VLOVKE/events.json","paper":"https://pith.science/paper/JY5DAHP6"},"agent_actions":{"view_html":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE","download_json":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE.json","view_paper":"https://pith.science/paper/JY5DAHP6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.1233&json=true","fetch_graph":"https://pith.science/api/pith-number/JY5DAHP624CAWY5NRWL6VLOVKE/graph.json","fetch_events":"https://pith.science/api/pith-number/JY5DAHP624CAWY5NRWL6VLOVKE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE/action/storage_attestation","attest_author":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE/action/author_attestation","sign_citation":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE/action/citation_signature","submit_replication":"https://pith.science/pith/JY5DAHP624CAWY5NRWL6VLOVKE/action/replication_record"}},"created_at":"2026-05-18T01:42:08.384463+00:00","updated_at":"2026-05-18T01:42:08.384463+00:00"}