{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000840},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001588","500:5000001732","485:4850006975","500:5000000796","477:4770001262","500:5000002019","477:4770001761","500:5000001101","485:4850006365","477:4770001726","477:4770000622","485:4850007683","500:5000002388","477:4770001704","500:5000004148","477:4770000678","500:5000000777","477:4770001605","500:5000001122","485:4850006886","500:5000002042","499:4990001949","477:4770003887","500:5000000920","485:4850004499"],"twin_admin_codes":[500,500,485,500,477,500,477,500,485,477,477,485,500,477,500,477,500,477,500,485,500,499,477,500,485],"twin_sims":[0.5060400380280637,0.31290345016769394,0.3009675403170186,0.2839868096877329,0.2828785087560766,0.28020968205873226,0.2778159549541992,0.2768229402617658,0.27310571620014074,0.266487256267261,0.2579402441290752,0.2565033960046009,0.24890537372987462,0.23476394738923997,0.2341945288630673,0.2301186676530953,0.2218274296267844,0.2203060953638184,0.21979346621856888,0.2130598983073065,0.20996903599672384,0.20880471328435254,0.20676768938786472,0.1942463266795424,0.1914976153531353],"twin_dists":[0.15158522499434876,0.19797750947416515,0.20126379561083346,0.20607340759285456,0.20639322141581906,0.20716646565240615,0.20786381604186763,0.20815417911419723,0.20924680934772746,0.2112151191061843,0.21380254561126083,0.2142427882557613,0.21659719877258882,0.22110533565993506,0.2212905156491033,0.2226247346893606,0.22538784957578523,0.22590227777184238,0.22607615492714617,0.22838582321936954,0.22946254457615772,0.2298709341268361,0.23058917245432575,0.23511430645109327,0.2361345286342459],"n_dims_used":45,"mean_confidence":0.9217438591851128},"coverage":{"mean_confidence":0.9217438591851128,"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}}