{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:WGOORQE4QB5XOMMI4AMIKMSAOV","short_pith_number":"pith:WGOORQE4","schema_version":"1.0","canonical_sha256":"b19ce8c09c807b773188e018853240755c16e30521ac7722e94a6fda3471678e","source":{"kind":"arxiv","id":"1909.02591","version":1},"attestation_state":"computed","paper":{"title":"Dust Polarization Toward Embedded Protostars in Ophiuchus with ALMA. III. Survey Overview","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Benoit Commercon, Dominique Segura-Cox, Ian W. Stephens, John Tobin, Leslie Looney, Patrick Hennebelle, Philip C. Myers, Sarah I. Sadavoy, Thomas Henning, Woojin Kwon","submitted_at":"2019-09-05T18:30:07Z","abstract_excerpt":"We present 0.25 arcsec resolution (35 au) ALMA 1.3 mm dust polarization observations for 37 young stellar objects (YSOs) in the Ophiuchus cloud. These data encompass all the embedded protostars in the cloud and several Flat and Class II objects to produce the largest, homogeneous study of dust polarization on disk scales to date. The goal of this study is to study dust polarization down to disk scales. We find that 14/37 (38%) of the YSOs are detected in polarization. Nine of these sources have uniform polarization angles and four sources have azimuthal polarization. The sources with uniform p"},"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":"1909.02591","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-05T18:30:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"f624a2eee139267c6bb9d750dac7437fc20595f3716f1d1b936fd5b469c249c9","abstract_canon_sha256":"10127ddd72cbf81a77f34e11038c7b35888a767835f0201bc9ed0a4f816fb271"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:17:13.622019Z","signature_b64":"jwoZ+FCZS5t+O8U08GUBHRj831IXULa2lun9v5cydLrvAP3u4D4JI4kMtOqKuUex//rvcWg0lvgVJypel67/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b19ce8c09c807b773188e018853240755c16e30521ac7722e94a6fda3471678e","last_reissued_at":"2026-07-05T00:17:13.621521Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:17:13.621521Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dust Polarization Toward Embedded Protostars in Ophiuchus with ALMA. III. Survey Overview","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Benoit Commercon, Dominique Segura-Cox, Ian W. Stephens, John Tobin, Leslie Looney, Patrick Hennebelle, Philip C. Myers, Sarah I. Sadavoy, Thomas Henning, Woojin Kwon","submitted_at":"2019-09-05T18:30:07Z","abstract_excerpt":"We present 0.25 arcsec resolution (35 au) ALMA 1.3 mm dust polarization observations for 37 young stellar objects (YSOs) in the Ophiuchus cloud. These data encompass all the embedded protostars in the cloud and several Flat and Class II objects to produce the largest, homogeneous study of dust polarization on disk scales to date. The goal of this study is to study dust polarization down to disk scales. We find that 14/37 (38%) of the YSOs are detected in polarization. Nine of these sources have uniform polarization angles and four sources have azimuthal polarization. The sources with uniform p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.02591","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/1909.02591/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":"1909.02591","created_at":"2026-07-05T00:17:13.621580+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.02591v1","created_at":"2026-07-05T00:17:13.621580+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.02591","created_at":"2026-07-05T00:17:13.621580+00:00"},{"alias_kind":"pith_short_12","alias_value":"WGOORQE4QB5X","created_at":"2026-07-05T00:17:13.621580+00:00"},{"alias_kind":"pith_short_16","alias_value":"WGOORQE4QB5XOMMI","created_at":"2026-07-05T00:17:13.621580+00:00"},{"alias_kind":"pith_short_8","alias_value":"WGOORQE4","created_at":"2026-07-05T00:17:13.621580+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/WGOORQE4QB5XOMMI4AMIKMSAOV","json":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV.json","graph_json":"https://pith.science/api/pith-number/WGOORQE4QB5XOMMI4AMIKMSAOV/graph.json","events_json":"https://pith.science/api/pith-number/WGOORQE4QB5XOMMI4AMIKMSAOV/events.json","paper":"https://pith.science/paper/WGOORQE4"},"agent_actions":{"view_html":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV","download_json":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV.json","view_paper":"https://pith.science/paper/WGOORQE4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.02591&json=true","fetch_graph":"https://pith.science/api/pith-number/WGOORQE4QB5XOMMI4AMIKMSAOV/graph.json","fetch_events":"https://pith.science/api/pith-number/WGOORQE4QB5XOMMI4AMIKMSAOV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV/action/storage_attestation","attest_author":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV/action/author_attestation","sign_citation":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV/action/citation_signature","submit_replication":"https://pith.science/pith/WGOORQE4QB5XOMMI4AMIKMSAOV/action/replication_record"}},"created_at":"2026-07-05T00:17:13.621580+00:00","updated_at":"2026-07-05T00:17:13.621580+00:00"}