{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001605},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000954","490:4900001595","490:4900003353","490:4900001874","490:4900002497","490:4900004453","490:4900001338","490:4900001697","490:4900003193","490:4900001207","490:4900004578","490:4900001846","490:4900001332","490:4900002189","490:4900002490","490:4900001073","490:4900001424","487:4870002128","496:4960011459","490:4900001072","493:4930004151","490:4900003621","490:4900001467","490:4900002313","490:4900004724"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,496,490,493,490,490,490,490],"twin_sims":[0.4440392005665621,0.3793873184258622,0.3721008408700505,0.34212356099258157,0.3352308427999862,0.31230703745245136,0.31172628794206536,0.30039228590219214,0.30024520425346357,0.2955882728058525,0.2872189015703364,0.2681880594486573,0.26075953732246476,0.25207031205834524,0.25147838338983725,0.24399870659358328,0.22953924847848545,0.22000915173470795,0.2191679824470905,0.21551338968281294,0.2146162591027332,0.2118448399839566,0.21037400959668356,0.20617984331104164,0.20333107366684816],"twin_dists":[0.1654911282962027,0.1808193982394384,0.1826194518249806,0.19021920529457229,0.19201545690739757,0.19813999116301506,0.19829837585330914,0.2014240702550224,0.2014650782159873,0.2027696196656522,0.20514501661472084,0.2107064429825643,0.21294320183463097,0.21561098951626362,0.21579483365140278,0.21814215882259863,0.22281566568134764,0.22600296413589813,0.226288679331016,0.22753863682522885,0.2278476554395673,0.22880782494800467,0.22932085987312037,0.23079733942930478,0.2318119332308409],"n_dims_used":45,"mean_confidence":0.9163557264539931},"coverage":{"mean_confidence":0.9163557264539931,"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}}