{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007666},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007046","490:4900006309","490:4900005813","490:4900007661","490:4900004346","490:4900005427","490:4900006790","490:4900006553","490:4900006446","490:4900006194","490:4900005027","490:4900005825","490:4900006431","490:4900005826","490:4900005421","490:4900003499","490:4900004339","490:4900005428","490:4900005838","490:4900007665","490:4900004205","490:4900003500","490:4900005432","490:4900005032","490:4900004887"],"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":[0.2203581394064646,0.12749144787803587,0.09615496160595591,0.07336104080395227,0.06933932849778475,0.06400243334467592,0.059568460496889894,0.052704059833303826,0.05254858008026235,0.04971074422751354,0.04958553300878673,0.044522072595968076,0.0384118683181563,0.03640984495579178,0.03219036999080165,0.030517638266425468,0.028888109921931526,0.027931165678650352,0.02487169352420162,0.023632696089418693,0.02284107284496243,0.021478925894435605,0.02021122028172904,0.020018054227727077,0.019965502916356414],"twin_dists":[0.22588464026258676,0.2635976050998912,0.2810691676011675,0.2968626396216136,0.30004902677475115,0.30451810235912413,0.30846921605046074,0.3150928931413308,0.3152510074921557,0.31820755831605874,0.31834121371463076,0.3239982038701275,0.33159420196240685,0.33430591520213415,0.34046382896995053,0.3430973489664493,0.34578458181948823,0.3474239473343281,0.3530114197997848,0.35544462436507374,0.35705777159500873,0.35995074468329774,0.3627902578917478,0.3632364758207473,0.3633585201656085],"n_dims_used":45,"mean_confidence":0.9013877020941841},"coverage":{"mean_confidence":0.9013877020941841,"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}}