{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011969},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010923","490:4900011768","490:4900012102","490:4900011839","490:4900011707","490:4900010494","490:4900010224","490:4900011905","490:4900011830","490:4900008906","490:4900011894","490:4900011319","490:4900011694","490:4900010924","490:4900012038","490:4900011978","490:4900009529","490:4900012163","490:4900011760","490:4900011981","490:4900011227","490:4900011829","490:4900011388","490:4900011296","490:4900010312"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4957157920297891,0.41889976369990983,0.34043796527465453,0.31518507626749803,0.2538970282963829,0.1852575745578553,0.16936042664617132,0.15929408468683035,0.15553940790366683,0.15365835092156876,0.14426164555935445,0.14299637569992246,0.13068239093121264,0.12224242506362172,0.12036389662364928,0.11691358873270075,0.11452658740143444,0.10924332111793726,0.10561838087998142,0.10304417297398867,0.09459712693330423,0.09213589930312316,0.0859740821975654,0.08200868794834044,0.07965314178847956],"twin_dists":[0.15386180865378607,0.17132838525330502,0.19065666365691927,0.19735754345420078,0.21504536618617598,0.23848917753578436,0.2447523312043637,0.24893949253157355,0.2505504835800882,0.2513682800364075,0.25556755896524436,0.25614831348990597,0.26201098054887795,0.2662743177412542,0.26725352570177013,0.26908289895170784,0.2703728735210093,0.2733034213905067,0.27537819313504486,0.276885433021984,0.2820476902320242,0.28361987001546823,0.2877069858065535,0.2904621980860819,0.2921496958424338],"n_dims_used":45,"mean_confidence":0.8912400987413195},"coverage":{"mean_confidence":0.8912400987413195,"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}}