{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003329},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004430","490:4900002456","490:4900003462","490:4900002903","490:4900004444","490:4900002902","490:4900003358","490:4900003603","490:4900003594","490:4900003338","490:4900003466","490:4900002148","490:4900002319","490:4900004567","490:4900003878","490:4900004431","490:4900001469","490:4900003758","490:4900003072","490:4900002472","490:4900002754","490:4900004161","490:4900001732","490:4900002597","490:4900003455"],"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":[0.7711543489294065,0.7357142812265725,0.7313460523047558,0.6723476110555445,0.6611184483387091,0.640791874404746,0.5789738059465303,0.5707221470360544,0.5531486838121558,0.5503809109433683,0.5226732900374507,0.518451092367863,0.479888615845901,0.4796634461698808,0.463044534263087,0.4435813298755017,0.4420391299633459,0.43683043024829465,0.43404449996290073,0.41874413240551056,0.4076501836416292,0.3995497378401656,0.3942764627849861,0.3649439493928044,0.3448219887633066],"twin_dists":[0.09362981960970446,0.10175290050109857,0.1027353225055123,0.11572389561758041,0.11815327602998227,0.12253030701313085,0.1357791699314908,0.13755085313611118,0.14133405080447672,0.14193144552427428,0.14794279783309203,0.14886467101973813,0.1573788633819206,0.15742915588655643,0.16116288800315273,0.16559624714758361,0.1659506165624028,0.16715105764783014,0.1677954467263654,0.1713649649005281,0.17398779211812518,0.17592284539613479,0.1771921122924519,0.18440453082732786,0.1895212758766278],"n_dims_used":45,"mean_confidence":0.9178343878851997},"coverage":{"mean_confidence":0.9178343878851997,"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}}