{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010625},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010797","490:4900011201","490:4900011866","490:4900010965","490:4900012076","490:4900011666","490:4900011475","490:4900010454","490:4900011984","490:4900011801","490:4900011122","490:4900011461","490:4900011926","490:4900012190","490:4900011593","490:4900011042","490:4900011867","490:4900011591","490:4900012189","490:4900010714","490:4900011922","490:4900011197","490:4900011412","490:4900011806","490:4900011401"],"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":[0.5323567700909718,0.43825025007743273,0.39981062697485614,0.36483334175220916,0.35038685285018734,0.32361866410358536,0.31106066263323584,0.309575145929493,0.3018113736791557,0.28213957371442455,0.27278835933638745,0.25360381282167427,0.24320519115789596,0.24130874085724377,0.23299079096314237,0.225911454635391,0.21400869891639035,0.21261753855410667,0.2011283129610518,0.1993125330204536,0.19196849942009733,0.19131176129694596,0.18524622084040815,0.1850352706514325,0.18469214750903218],"twin_dists":[0.14583481137911783,0.166823279414843,0.1758602494633683,0.1844322556157577,0.1880910320126801,0.19508768494402265,0.19848011565486248,0.1988865195150388,0.2010290138598211,0.20660687082575127,0.20934051400471126,0.2151359824758044,0.2183938874350834,0.2189976618557053,0.2216829560160721,0.2240184058345193,0.22805742641240584,0.22853927000910906,0.23260315469201942,0.23325987018439479,0.23595903279399943,0.23620387823004063,0.2384935121503529,0.23857408258884713,0.23870527342823114],"n_dims_used":45,"mean_confidence":0.9159964667426215},"coverage":{"mean_confidence":0.9159964667426215,"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}}