{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000486},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000863","499:4990000626","499:4990001027","499:4990001119","499:4990000781","499:4990000359","499:4990000852","499:4990000474","499:4990000943","477:4770003864","499:4990000142","477:4770003902","499:4990000701","499:4990000684","477:4770003674","477:4770003938","477:4770003824","499:4990000869","477:4770003969","499:4990001110","477:4770003867","499:4990001213","499:4990000410","477:4770003865","499:4990000301"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,477,499,477,499,499,477,477,477,499,477,499,477,499,499,477,499],"twin_sims":[0.9510316527632263,0.9450304554893292,0.9256630562888178,0.9089296879146485,0.9087385808368044,0.9051596253797692,0.8980919629105906,0.8800111049041319,0.8727604955599956,0.8713527556923917,0.8712106346870131,0.8690783121254884,0.8667264605460324,0.8579455944409253,0.8563802178994716,0.8557279871881804,0.8494680187255147,0.8450478118577134,0.844334373273484,0.8428217407216472,0.834435012412274,0.8312714208070492,0.8266068347932313,0.8244568821767567,0.8199233366734224],"twin_dists":[0.04115522842996753,0.043672649569884606,0.05104744129009837,0.05675605406928461,0.05681851216580526,0.05797814997962048,0.06021550661341471,0.06566584371934182,0.0677576764053813,0.06815834458642504,0.06819869981307541,0.0688021150755442,0.0694632704204343,0.07189338088831661,0.0723205756996214,0.07249805728389491,0.07418664124766318,0.07536348511586183,0.07555228501942554,0.07595155103222292,0.07814093963618436,0.07895662132835807,0.08014973485692194,0.08069594979124566,0.0818403924489642],"n_dims_used":45,"mean_confidence":0.9274324205186631},"coverage":{"mean_confidence":0.9274324205186631,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}