{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:3ONQUD66EJBOFSU5NTNNLAEJO4","short_pith_number":"pith:3ONQUD66","schema_version":"1.0","canonical_sha256":"db9b0a0fde2242e2ca9d6cdad58089773c56e2710d146b18e752a94f9cbb2698","source":{"kind":"arxiv","id":"1608.06515","version":1},"attestation_state":"computed","paper":{"title":"Asymmetric structure in Sgr A* at 3mm from closure phase measurements with VLBA, GBT and LMT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam T. Deller, Alfredo Monta\\~na, Antonio Hern\\'andez-G\\'omez, Christiaan D. Brinkerink, Ciriaco Goddi, Cornelia M\\\"uller, David H. Hughes, David Sanchez-Arguelles, Edgar Castillo, Geoffrey C. Bower, Gisela N. Ortiz-Le\\'on, Grant W. Wilson, Heino Falcke, J. Anton Zensus, Jonathan Le\\'on-Tavares, Laurent Loinard, Michael Kramer, Monika Mo\\'scibrodzka, Raquel Fraga-Encinas, Remo P. J. Tilanus, Sheperd S. Doeleman, Thomas P. Krichbaum","submitted_at":"2016-08-23T14:00:53Z","abstract_excerpt":"We present the results of a closure phase analysis of 3 mm very long baseline interferometry (VLBI) measurements performed on Sagittarius A* (Sgr A*). We have analyzed observations made in May 2015 using the Very Long Baseline Array, the Robert C. Byrd Green Bank Telescope and the Large Millimeter Telescope Alfonso Serrano and obtained non-zero closure phase measurements on several station triangles - indicative of a non-point-symmetric source structure. The data are fitted with an asymmetric source structure model in Sgr A*, represented by a simple two-component model, which favours a fainter"},"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":"1608.06515","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-23T14:00:53Z","cross_cats_sorted":[],"title_canon_sha256":"79f86b1e52ee2b3e9781ba73337c3ae5268ffd641c9d08c9753cd400833ffab0","abstract_canon_sha256":"f726c0464d3b768788dbcc42f6c3b6c12f002170fb188eecee275571ef49a400"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:13.851931Z","signature_b64":"cZGvkrJ/UFR85ahZHpYbSHlnlyNtCB8Z9Ot+BtE9H/QbCGphvS6yszwLaV2oTn1pHQpjIap9SfyAylWWN7WDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db9b0a0fde2242e2ca9d6cdad58089773c56e2710d146b18e752a94f9cbb2698","last_reissued_at":"2026-05-18T01:08:13.851504Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:13.851504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Asymmetric structure in Sgr A* at 3mm from closure phase measurements with VLBA, GBT and LMT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam T. Deller, Alfredo Monta\\~na, Antonio Hern\\'andez-G\\'omez, Christiaan D. Brinkerink, Ciriaco Goddi, Cornelia M\\\"uller, David H. Hughes, David Sanchez-Arguelles, Edgar Castillo, Geoffrey C. Bower, Gisela N. Ortiz-Le\\'on, Grant W. Wilson, Heino Falcke, J. Anton Zensus, Jonathan Le\\'on-Tavares, Laurent Loinard, Michael Kramer, Monika Mo\\'scibrodzka, Raquel Fraga-Encinas, Remo P. J. Tilanus, Sheperd S. Doeleman, Thomas P. Krichbaum","submitted_at":"2016-08-23T14:00:53Z","abstract_excerpt":"We present the results of a closure phase analysis of 3 mm very long baseline interferometry (VLBI) measurements performed on Sagittarius A* (Sgr A*). We have analyzed observations made in May 2015 using the Very Long Baseline Array, the Robert C. Byrd Green Bank Telescope and the Large Millimeter Telescope Alfonso Serrano and obtained non-zero closure phase measurements on several station triangles - indicative of a non-point-symmetric source structure. The data are fitted with an asymmetric source structure model in Sgr A*, represented by a simple two-component model, which favours a fainter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.06515","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":"1608.06515","created_at":"2026-05-18T01:08:13.851574+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.06515v1","created_at":"2026-05-18T01:08:13.851574+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.06515","created_at":"2026-05-18T01:08:13.851574+00:00"},{"alias_kind":"pith_short_12","alias_value":"3ONQUD66EJBO","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"3ONQUD66EJBOFSU5","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"3ONQUD66","created_at":"2026-05-18T12:29:55.572404+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/3ONQUD66EJBOFSU5NTNNLAEJO4","json":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4.json","graph_json":"https://pith.science/api/pith-number/3ONQUD66EJBOFSU5NTNNLAEJO4/graph.json","events_json":"https://pith.science/api/pith-number/3ONQUD66EJBOFSU5NTNNLAEJO4/events.json","paper":"https://pith.science/paper/3ONQUD66"},"agent_actions":{"view_html":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4","download_json":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4.json","view_paper":"https://pith.science/paper/3ONQUD66","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.06515&json=true","fetch_graph":"https://pith.science/api/pith-number/3ONQUD66EJBOFSU5NTNNLAEJO4/graph.json","fetch_events":"https://pith.science/api/pith-number/3ONQUD66EJBOFSU5NTNNLAEJO4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4/action/storage_attestation","attest_author":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4/action/author_attestation","sign_citation":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4/action/citation_signature","submit_replication":"https://pith.science/pith/3ONQUD66EJBOFSU5NTNNLAEJO4/action/replication_record"}},"created_at":"2026-05-18T01:08:13.851574+00:00","updated_at":"2026-05-18T01:08:13.851574+00:00"}