{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:GIG4OY2GELA4OCWPHKJ2MQDZR6","short_pith_number":"pith:GIG4OY2G","schema_version":"1.0","canonical_sha256":"320dc7634622c1c70acf3a93a640798faeee6de1d2ec068632215323056e89d7","source":{"kind":"arxiv","id":"1904.06418","version":1},"attestation_state":"computed","paper":{"title":"ALMA reveals a pseudo-disc in a proto-brown dwarf","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"B. Riaz, D. Stamatellos, M. N. Machida","submitted_at":"2019-04-12T21:06:30Z","abstract_excerpt":"We present the observational evidence of a pseudo-disc around the proto-brown dwarf Mayrit 1701117, the driving source of the large-scale HH~1165 jet. Our analysis is based on ALMA $^{12}$CO (2-1) line and 1.37 mm continuum observations at an angular resolution of $\\sim$0.4$^{\\prime\\prime}$. The pseudo-disc is a bright feature in the CO position-velocity diagram (PVD), elongated in a direction perpendicular to the jet axis, with a total (gas+dust) mass of $\\sim$0.02 M$_{\\odot}$, size of 165-192 AU, and a velocity spread of $\\pm$2 km s$^{-1}$. The large velocity gradient is a combination of inf"},"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":"1904.06418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-04-12T21:06:30Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"445bf11b3d1d45e2775c1bb74ab1447002dc2e3a3b596de9106d15306f1fa3cc","abstract_canon_sha256":"3fdc7b042e0794759839018915971a38bfc97143a3dd0715003f461fa5d00db6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:55.548348Z","signature_b64":"xYYJO6v+iKZiPi0DTvKiDk/2P0y5SRPgu9EFyf30tqol5BYQs9pTVFwTPumfHE2i2EfkCOm12h3Zae0VAId8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"320dc7634622c1c70acf3a93a640798faeee6de1d2ec068632215323056e89d7","last_reissued_at":"2026-05-17T23:47:55.547833Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:55.547833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ALMA reveals a pseudo-disc in a proto-brown dwarf","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"B. Riaz, D. Stamatellos, M. N. Machida","submitted_at":"2019-04-12T21:06:30Z","abstract_excerpt":"We present the observational evidence of a pseudo-disc around the proto-brown dwarf Mayrit 1701117, the driving source of the large-scale HH~1165 jet. Our analysis is based on ALMA $^{12}$CO (2-1) line and 1.37 mm continuum observations at an angular resolution of $\\sim$0.4$^{\\prime\\prime}$. The pseudo-disc is a bright feature in the CO position-velocity diagram (PVD), elongated in a direction perpendicular to the jet axis, with a total (gas+dust) mass of $\\sim$0.02 M$_{\\odot}$, size of 165-192 AU, and a velocity spread of $\\pm$2 km s$^{-1}$. The large velocity gradient is a combination of inf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06418","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":"1904.06418","created_at":"2026-05-17T23:47:55.547908+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.06418v1","created_at":"2026-05-17T23:47:55.547908+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06418","created_at":"2026-05-17T23:47:55.547908+00:00"},{"alias_kind":"pith_short_12","alias_value":"GIG4OY2GELA4","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"GIG4OY2GELA4OCWP","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"GIG4OY2G","created_at":"2026-05-18T12:33:18.533446+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/GIG4OY2GELA4OCWPHKJ2MQDZR6","json":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6.json","graph_json":"https://pith.science/api/pith-number/GIG4OY2GELA4OCWPHKJ2MQDZR6/graph.json","events_json":"https://pith.science/api/pith-number/GIG4OY2GELA4OCWPHKJ2MQDZR6/events.json","paper":"https://pith.science/paper/GIG4OY2G"},"agent_actions":{"view_html":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6","download_json":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6.json","view_paper":"https://pith.science/paper/GIG4OY2G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.06418&json=true","fetch_graph":"https://pith.science/api/pith-number/GIG4OY2GELA4OCWPHKJ2MQDZR6/graph.json","fetch_events":"https://pith.science/api/pith-number/GIG4OY2GELA4OCWPHKJ2MQDZR6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6/action/storage_attestation","attest_author":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6/action/author_attestation","sign_citation":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6/action/citation_signature","submit_replication":"https://pith.science/pith/GIG4OY2GELA4OCWPHKJ2MQDZR6/action/replication_record"}},"created_at":"2026-05-17T23:47:55.547908+00:00","updated_at":"2026-05-17T23:47:55.547908+00:00"}