{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008550},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007882","490:4900010824","490:4900010741","490:4900010128","490:4900008113","490:4900008330","490:4900010052","490:4900008440","490:4900010314","490:4900009922","490:4900010659","490:4900010734","490:4900010138","490:4900007775","490:4900010571","490:4900010743","490:4900010905","490:4900010658","490:4900011506","490:4900007889","490:4900007776","490:4900011171","490:4900011504","490:4900011505","490:4900009920"],"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":[0.09170765755474289,0.07458694637114577,0.05249440914327422,0.03994768414219686,0.034310683165765236,0.026770752235858532,0.02333400053824416,0.02302595600292477,0.021300874729522686,0.015946531063756653,0.015140260294780697,0.014236295121712088,0.01406201889482841,0.011438090643018707,0.011112519719151037,0.010960296936984394,0.010889533091488999,0.007639766718246798,0.007578330727919322,0.007016862045531193,0.006696324451758168,0.006459445841440845,0.006365665481368099,0.006283707537889194,0.0061121591496369285],"twin_dists":[0.2838968002896521,0.29591951200767524,0.31530618759581425,0.3295939466432994,0.3372887449136016,0.3494779989940316,0.3560477142571855,0.3566767320185668,0.3603406041244293,0.37364661853765563,0.37598149680330506,0.37873327101848686,0.3792814383228542,0.38835756254262443,0.38960973408776,0.39020641788081106,0.3904863111341046,0.4055075095877156,0.40584321930702943,0.40902996738188147,0.4109536004629192,0.41242917926763734,0.41302686408676137,0.4135557348451209,0.4146831647046941],"n_dims_used":45,"mean_confidence":0.8873572455512153},"coverage":{"mean_confidence":0.8873572455512153,"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}}