{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001507},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001396","491:4910001389","491:4910001968","491:4910001515","491:4910002113","491:4910001193","491:4910002365","491:4910001458","491:4910001855","491:4910001443","490:4900004196","491:4910001628","491:4910001569","490:4900003925","491:4910002012","491:4910001632","491:4910002259","490:4900004333","491:4910001966","491:4910001967","490:4900003642","490:4900003109","490:4900002374","491:4910001560","490:4900003110"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,490,491,491,490,491,491,491,490,491,491,490,490,490,491,490],"twin_sims":[0.8906849553059815,0.8814485041943889,0.7944445835769915,0.5669171666917358,0.5149954255469168,0.4210805000805326,0.4077866734876053,0.3936856396990023,0.3870599930846941,0.36781497575036864,0.36531239967733786,0.3536405320695416,0.335843365221293,0.3268884458540914,0.3263603273936691,0.31693902002243635,0.30289589957509694,0.29728719590007086,0.2939413829098991,0.2908642354432839,0.28746900572123973,0.2874416429514783,0.2817713593171869,0.2630277663564351,0.2611421338312699],"twin_dists":[0.06249230493917684,0.06524527595718697,0.08810661584931466,0.13836870499121723,0.14962051190789322,0.1708164290800836,0.17395533503919952,0.17733480792251138,0.17894193176859888,0.1836863547993902,0.1843122060171262,0.18726030565774796,0.19185503099328094,0.19421654297180033,0.19435691720252007,0.19688268828139294,0.20072782451363713,0.20229231280044574,0.2032338547634324,0.20410540453931408,0.20507343831837807,0.20508126755986003,0.20671345954116846,0.21225605454138644,0.2128270342984925],"n_dims_used":44,"mean_confidence":0.8934843756935813},"coverage":{"mean_confidence":0.8934843756935813,"n_dims_used":44,"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}}