{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011061},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010748","490:4900009720","490:4900011360","490:4900009922","491:4910004957","491:4910004956","490:4900010901","490:4900010648","490:4900009822","490:4900009836","490:4900010132","490:4900010492","490:4900008899","490:4900011289","490:4900008104","490:4900010302","490:4900011145","490:4900010675","490:4900011949","490:4900010761","490:4900009936","490:4900007896","490:4900011068","490:4900012086","490:4900010212"],"twin_admin_codes":[490,490,490,490,491,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.24968042797827522,0.210072450651927,0.15459332112417484,0.12934528102268902,0.11245487297955685,0.10260972906605939,0.10065841098712718,0.08353802535178763,0.07263646079057588,0.06925553435988897,0.06496254571770015,0.06470561839919681,0.04330530633534895,0.04268757713920159,0.04145642024736525,0.033331481190755054,0.030627110635833378,0.029899326497195493,0.028737174595587278,0.028586655376226316,0.02637223456152081,0.02260274558121075,0.02253795275241422,0.022289207232731086,0.019998734331668412],"twin_dists":[0.21635495070154845,0.22942634611989168,0.25096088761240476,0.2626722247674102,0.2715093340481068,0.2771426936193533,0.27830878786018187,0.28938724988299025,0.297426088712607,0.3001169945158779,0.3036922314148299,0.30391225245022485,0.32543758726622496,0.32618138876191705,0.32769124562278046,0.33873362478745644,0.34292126589727207,0.34410216975042135,0.3460400227506304,0.3462959099537424,0.35020113257759294,0.3575529264739733,0.35768832504947845,0.3582112917702299,0.36328131152737003],"n_dims_used":45,"mean_confidence":0.8857021755642361},"coverage":{"mean_confidence":0.8857021755642361,"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}}