{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000741},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000592","499:4990001187","477:4770003972","499:4990000520","499:4990000389","499:4990000913","499:4990000527","499:4990000453","468:4680001225","499:4990000591","499:4990000388","477:4770003941","477:4770003879","499:4990001570","499:4990000334","499:4990001087","477:4770003877","499:4990000666","477:4770003843","477:4770003913","499:4990000597","499:4990003135","499:4990000996","477:4770003747","489:4890002235"],"twin_admin_codes":[499,499,477,499,499,499,499,499,468,499,499,477,477,499,499,499,477,499,477,477,499,499,499,477,489],"twin_sims":[0.7678632354687328,0.7673488976075631,0.7194672085988245,0.7066644690840821,0.6958091179965877,0.6893942322283129,0.6741455708795062,0.6731587981301331,0.6556852648166943,0.645909766871288,0.6357157798412023,0.6329295398120567,0.6077129422494126,0.5980493227997623,0.592827864346949,0.5896844020169184,0.5873638711463098,0.5818698819563329,0.5784522961754468,0.5776646765790199,0.5726101585104406,0.5666459997602991,0.5649021842236523,0.562625866378175,0.5624116825348509],"twin_dists":[0.09439715892655472,0.09451681196281284,0.10538965809423077,0.10822516846851869,0.11061157971542586,0.1120150687823412,0.11533398687140411,0.11554801414191306,0.11932552170445619,0.12143027934946427,0.12362027910772762,0.12421816459853707,0.1296213285695054,0.13169068706133782,0.13280912002301676,0.13348264479964247,0.13397996745075139,0.13515790568974853,0.13589107115173263,0.1360600886120277,0.13714526269204771,0.1384270144919863,0.1388020710172761,0.1392918749717941,0.13933797484572186],"n_dims_used":45,"mean_confidence":0.9248611450195312},"coverage":{"mean_confidence":0.9248611450195312,"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}}