{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000188},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000189","480:4800000196","480:4800000185","480:4800000104","480:4800000077","480:4800000164","480:4800000165","480:4800000001","480:4800000055","480:4800000169","480:4800000243","480:4800000195","480:4800000220","480:4800000226","480:4800000022","480:4800000014","480:4800000078","480:4800000227","480:4800000103","480:4800000132","480:4800000162","480:4800000157","480:4800000244","480:4800000255","480:4800000197"],"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":[0.5909511365926808,0.5134973974611928,0.4424213612060119,0.4330719204562069,0.3462270383811675,0.2801779979880921,0.26047496411615517,0.253697059170806,0.24811039457975137,0.221618013041613,0.2173428205639031,0.2171206617423598,0.2041016786792683,0.19338657271521556,0.18797171713350297,0.18734294719620745,0.18467876865320856,0.18210857538637829,0.17649273630777676,0.16783455980637957,0.16763086761589518,0.16486668676635194,0.15591839429614307,0.14694535016288054,0.14055492706483091],"twin_dists":[0.13321121057038635,0.14994855410776156,0.16586274232109988,0.1680207948119026,0.18915901754860723,0.2071756722884596,0.21302967605020567,0.2151071580966706,0.21684617693376218,0.22545852200420266,0.2269111614202733,0.2269871694403703,0.2315365253454539,0.23543233000008262,0.23745828531989582,0.23769617166732193,0.238710392218023,0.2396986423001413,0.24189279684246573,0.24537525801710652,0.24545872211916564,0.24659865672651765,0.2503865948380994,0.25434813561450803,0.2572798138692717],"n_dims_used":42,"mean_confidence":0.9016390300932384},"coverage":{"mean_confidence":0.9016390300932384,"n_dims_used":42,"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}}