{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HFG3MJMNG2GFZNIMYNTL74A7L6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a35f58aed545d9241c3806fb49a5f2f324364fa7a8d2f3c10d7b374ce2163431","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-03-20T20:00:10Z","title_canon_sha256":"e5cb6a2e94652b656e0aa3101367eae5ea2f40a0e18f115358dd2b47eb63e67c"},"schema_version":"1.0","source":{"id":"1503.06212","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.06212","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"1503.06212v1","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.06212","created_at":"2026-05-18T02:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"HFG3MJMNG2GF","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HFG3MJMNG2GFZNIM","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HFG3MJMN","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:f946ee9cc6e410efc817b695747cfcc86bf5feb5d86a37203fd0ac3ce4b55ae8","target":"graph","created_at":"2026-05-18T02:03:33Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We have discovered that SDSSJ105213.51+442255.7 (T0.5$\\pm$1.0) is a binary in Keck laser guide star adaptive optics imaging, displaying a large J-to-K-band flux reversal ($\\Delta$J = -0.45$\\pm$0.09 mag, $\\Delta$K = 0.52$\\pm$0.05 mag). We determine a total dynamical mass from Keck orbital monitoring (88$\\pm$5 $M_{\\rm Jup}$) and a mass ratio by measuring the photocenter orbit from CFHT/WIRCam absolute astrometry ($M_B/M_A$ = 0.78$\\pm$0.07). Combining these provides the first individual dynamical masses for any field L or T dwarfs, 49$\\pm$3 $M_{\\rm Jup}$ for the L6.5$\\pm$1.5 primary and 39$\\pm$3 ","authors_text":"David A. Golimowski, Kuenley Chiu, Michael C. Liu, Michael J. Ireland, S. K. Leggett, Trent J. Dupuy","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-03-20T20:00:10Z","title":"The Mass-Luminosity Relation in the L/T Transition: Individual Dynamical Masses for the New J-Band Flux Reversal Binary SDSSJ105213.51+442255.7AB"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.06212","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a983404a5c9fba5cfad92b256dffdc3f684c119981ef75b0c511ca2cf1fe2c76","target":"record","created_at":"2026-05-18T02:03:33Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a35f58aed545d9241c3806fb49a5f2f324364fa7a8d2f3c10d7b374ce2163431","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-03-20T20:00:10Z","title_canon_sha256":"e5cb6a2e94652b656e0aa3101367eae5ea2f40a0e18f115358dd2b47eb63e67c"},"schema_version":"1.0","source":{"id":"1503.06212","kind":"arxiv","version":1}},"canonical_sha256":"394db6258d368c5cb50cc366bff01f5faa71f50a6c62056ae41021981c0e71f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"394db6258d368c5cb50cc366bff01f5faa71f50a6c62056ae41021981c0e71f8","first_computed_at":"2026-05-18T02:03:33.569422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:33.569422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8N+TyrSQbKjAEGRTQf1giMzRsH4iaMaUwvcDILMaKzUF08QwtPV0v7BzZ9xskNuIKoOm44njCsVi0VP0EC1mBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:33.570479Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.06212","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a983404a5c9fba5cfad92b256dffdc3f684c119981ef75b0c511ca2cf1fe2c76","sha256:f946ee9cc6e410efc817b695747cfcc86bf5feb5d86a37203fd0ac3ce4b55ae8"],"state_sha256":"220f6feb920c038ba313681f588e015fe399e67ccf216ce894c4d034adeda506"}