{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011597},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011188","490:4900011603","490:4900011604","490:4900011790","490:4900011606","490:4900011596","490:4900011529","490:4900011534","490:4900011665","490:4900009773","490:4900011401","490:4900011468","490:4900011725","490:4900011669","490:4900011254","490:4900011731","490:4900011333","490:4900011119","490:4900011526","490:4900010798","490:4900011189","490:4900012196","490:4900011469","490:4900011670","490:4900011105"],"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":[0.3295248544093502,0.3226640432585488,0.32109119933968,0.2771609058313913,0.2553297086190189,0.21921235004976605,0.18038506765403134,0.1791906103446869,0.16773098798879685,0.15840410056084345,0.14234594707319667,0.1236131641231259,0.11788364173998152,0.11177855508622236,0.10331571556772198,0.10256602310356032,0.0976683853139996,0.08770054804567055,0.08721682072631856,0.0826414407744394,0.07391125163089708,0.07177700131567293,0.07166580299572013,0.06924406359948247,0.06764792064350676],"twin_dists":[0.19351764905823562,0.1953429389122696,0.19576441933760494,0.20805528484082686,0.21460355857018865,0.22627359089442656,0.24036686818010555,0.24083263059423363,0.245417688074291,0.2493188265463724,0.25644834448365006,0.2655670158826437,0.26856443907632727,0.2718838284692383,0.2767250655458927,0.27716862159444056,0.28013040967021896,0.2865389782644161,0.2868643772842914,0.29001551831177025,0.2964377822753991,0.29810035195814544,0.29818806634967904,0.30012630396666534,0.30143410563352246],"n_dims_used":45,"mean_confidence":0.9115974426269531},"coverage":{"mean_confidence":0.9115974426269531,"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}}