{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001120},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003793","490:4900001375","490:4900002542","490:4900001123","490:4900003950","490:4900001125","490:4900003804","490:4900003253","490:4900002378","490:4900003126","490:4900002846","490:4900001511","490:4900002093","490:4900002069","490:4900001916","490:4900002690","490:4900001118","490:4900001915","490:4900003264","490:4900001248","490:4900002526","490:4900003528","490:4900003403","490:4900001783","490:4900001377"],"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":[0.08981994503768737,0.07275191275027072,0.04746634747495183,0.04354769133049102,0.04285268549624632,0.03779291837723292,0.03771283181223476,0.025520879680110395,0.023628489577856595,0.01783676252876716,0.016505144830525446,0.0160018998726203,0.014366141535466352,0.01318876836932443,0.01208573299099948,0.011946729796777043,0.011732369836331746,0.01168509848946931,0.011553504569027775,0.011395980979491425,0.010247406903269071,0.01014589621060735,0.010093864294187705,0.00994400581543241,0.009704724947927628],"twin_dists":[0.28512985943470864,0.297336007106114,0.3206471579035676,0.3251481695055599,0.32598170144411365,0.3324195050380332,0.33252712694811,0.3517781020375475,0.3554530716676809,0.3685550384438951,0.3720890751310582,0.37349011517406483,0.37832868938004566,0.3821219814344782,0.3859580293206892,0.3864632542786127,0.3872526894741358,0.3874284993624801,0.3879212650671184,0.3885177229934525,0.39310287401191435,0.3935298107226617,0.3937501256427867,0.39439036431588637,0.3954307010030566],"n_dims_used":45,"mean_confidence":0.9141891479492188},"coverage":{"mean_confidence":0.9141891479492188,"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}}