{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011857},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011659","490:4900010628","490:4900011117","490:4900011530","490:4900011528","490:4900011860","490:4900011804","490:4900011791","490:4900011029","490:4900010949","490:4900011724","490:4900011664","490:4900011461","490:4900011544","490:4900011789","490:4900011034","490:4900012137","490:4900011028","490:4900011792","490:4900011463","490:4900011111","490:4900004940","490:4900011920","490:4900011601","490:4900011922"],"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":[0.44565070189008676,0.24765566727599336,0.23435518588001414,0.22539058605265394,0.20257803026263013,0.17679795815104252,0.17391660507675824,0.15982031456900334,0.15780538626349003,0.15762665924361227,0.15651233443908774,0.15212062329082748,0.15210560617221153,0.14849109425357132,0.14768909206882347,0.1457010394633046,0.12979401507668786,0.12949145465031148,0.12875034811310493,0.12573556020843038,0.12552690569093325,0.1236142288632727,0.11556503582262417,0.10920467614494268,0.10838919615950253],"twin_dists":[0.16512148678021638,0.2169888222310692,0.22123823870093656,0.22419214057532913,0.23208175745251533,0.24177228035275336,0.24291594228887325,0.24871592514719176,0.2495748884110238,0.24965146475520186,0.250130336284191,0.252042281470482,0.25204888823078053,0.25365323885551694,0.2540131123952287,0.25491145765908624,0.2624497382546237,0.2625996865860433,0.2629680989847268,0.26448353771420413,0.2645894368411364,0.2655664688023867,0.2698091649796415,0.2733252567434505,0.27378742443394205],"n_dims_used":45,"mean_confidence":0.9165685017903645},"coverage":{"mean_confidence":0.9165685017903645,"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}}