{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010078},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009777","490:4900010174","490:4900010085","490:4900010275","490:4900010173","490:4900009272","490:4900010951","490:4900010875","490:4900010273","490:4900010179","490:4900010178","490:4900010448","490:4900004803","490:4900010076","490:4900010953","490:4900011393","490:4900010877","490:4900009578","490:4900010957","490:4900010872","490:4900002567","490:4900011992","490:4900009677","490:4900010959","490:4900010535"],"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":[0.6364876906706951,0.622314748905197,0.3556702098630515,0.3253208746766763,0.2739469905607463,0.23744623676153434,0.2240149210368657,0.18503614928226628,0.17477456486057127,0.16314591995856556,0.15918470836258802,0.15328292827865628,0.14573885491554014,0.13980699627711649,0.13155360153116924,0.12695690410565022,0.12186048586038734,0.1153880899289981,0.11043853626315883,0.10238602597832326,0.10197048061224864,0.09755294191131718,0.08647782367395251,0.08229119921696332,0.08222919254303296],"twin_dists":[0.12345459161806287,0.12649392195044878,0.1867441000549024,0.19463357225979594,0.20899873309857991,0.22023696111681026,0.22465227795394122,0.23857374687007624,0.24257399882617436,0.24731528158698696,0.24898602821751625,0.25153237334218687,0.25489428556497445,0.2576293728414281,0.2615828801946451,0.26386632460333787,0.2664724743102901,0.2699049418502612,0.27263102811002093,0.2772754934429827,0.27752278150660226,0.28020161363043794,0.2873642756571223,0.2902624252749976,0.2903062251452781],"n_dims_used":45,"mean_confidence":0.9218424479166667},"coverage":{"mean_confidence":0.9218424479166667,"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}}