{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000341},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000500","480:4800000404","480:4800000320","480:4800000465","480:4800000686","480:4800000766","480:4800000439","480:4800000614","480:4800000413","480:4800000687","480:4800001150","480:4800000468","480:4800000412","480:4800000527","480:4800000512","480:4800000506","480:4800000402","480:4800000429","480:4800000800","480:4800000476","480:4800000841","480:4800000405","480:4800000376","480:4800000713","480:4800000763"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5500187937488376,0.5155509500573379,0.4206634906333029,0.383140348448329,0.3477919033035991,0.34684291453868604,0.33539280365874374,0.33279135290163436,0.3269140402710326,0.32309575691925074,0.32230272942331495,0.31580208510335855,0.29960538467635445,0.27985025966943006,0.268430158468696,0.2610199197762196,0.26038828401754976,0.2553908161390267,0.2514642486223045,0.24438639518991276,0.2410689797962938,0.22706289529561793,0.22675599301415453,0.22579515608802347,0.2257899199472566],"twin_dists":[0.1420096403727186,0.14949892164960968,0.17091424051516063,0.17989880121106264,0.18875646807470203,0.18900047380335017,0.19197302224945875,0.19265596971390903,0.19420974314667003,0.1952274518810019,0.19543965968618265,0.19719032701197842,0.20164360366388906,0.2072709423437077,0.21063419895006577,0.21286413045383407,0.21305602761483924,0.2145847493344101,0.21579922706858454,0.21801936372066325,0.21907421336508912,0.22363528620921788,0.22373727582469213,0.22405717391170746,0.22405891968913846],"n_dims_used":43,"mean_confidence":0.9137395814407704},"coverage":{"mean_confidence":0.9137395814407704,"n_dims_used":43,"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}}