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HD72946 is a bright and nearby solar-type star hosting a low-mass companion at long period (P~16 yr) detected with the radial velocities (RV) method. The companion has a minimum mass of 60.4+/-2.2 MJ and might be a brown dwarf. Its expected semi-major axis of ~243 mas makes it a suitable target for further characterization with high-contrast imaging, in particular to measure its inclination, mass, and spectrum and thus definitely establish its substellar nature. Aims. We aim to further characterize the orbit, atmosphere, and physical nature of HD72946B. Methods. We present high-contra"},"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":"1912.02565","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-12-05T13:26:50Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2af9119404e23921a326e7e51bf1db37c191fd61bfa9d021e4750208720169c5","abstract_canon_sha256":"e36cf6a49d918707d60796e118c5ceb01d6a589df01ac7c378f166823d17156e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:15.830019Z","signature_b64":"NMp3amQO9+41Uk0j0ZD+wSXCZEwfKJ0gP8L+Mq9fp0OG+MrtWs+s5zBcJJk2mnwUDtHjlczN4mkqtmXgPYbUDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e551c25ff5fbfb172606cc9112d6df1b547dd2753c7f1abe46905bff8b07eab","last_reissued_at":"2026-07-05T00:28:15.829575Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:15.829575Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A dusty benchmark brown dwarf near the ice line of HD 72946","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A.-L. Maire, F. Cantalloube, G. Chauvin, J. Hagelberg, J.-L. Baudino, J. Olofsson, M. Bonnefoy, M. Langlois, N. Godoy, O. Absil, R. Galicher, S. Desidera, S. Messina, T. Henning, W. Brandner","submitted_at":"2019-12-05T13:26:50Z","abstract_excerpt":"Context. HD72946 is a bright and nearby solar-type star hosting a low-mass companion at long period (P~16 yr) detected with the radial velocities (RV) method. The companion has a minimum mass of 60.4+/-2.2 MJ and might be a brown dwarf. Its expected semi-major axis of ~243 mas makes it a suitable target for further characterization with high-contrast imaging, in particular to measure its inclination, mass, and spectrum and thus definitely establish its substellar nature. Aims. We aim to further characterize the orbit, atmosphere, and physical nature of HD72946B. Methods. 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