{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001437},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001549","480:4800001436","480:4800001455","480:4800001381","480:4800001943","480:4800002103","480:4800001333","480:4800001389","480:4800002536","480:4800001831","480:4800001782","480:4800001401","480:4800001279","480:4800001446","480:4800001451","480:4800001380","480:4800001774","480:4800001896","480:4800001272","480:4800002107","480:4800001387","480:4800001397","480:4800002112","480:4800001954","480:4800001449"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8052396211427598,0.5259743000598854,0.37459088781905575,0.350536200211487,0.3498994306671995,0.3173488103805498,0.29203842558969695,0.2493631391482082,0.2342836656729405,0.2249527554875981,0.2164203884832916,0.20880556643424908,0.20858575355798117,0.19773294993712576,0.1790202985199904,0.17700178469234568,0.17109161934161782,0.17056336337506667,0.17045773112540294,0.1648831822581001,0.16405855997511862,0.16140259545281202,0.161272287017271,0.15576791377804827,0.1539560254937002],"twin_dists":[0.08548373478911378,0.14722324945533305,0.18200238412367079,0.18805281287003733,0.18821582646817311,0.19677195766451538,0.20377219240170694,0.21645406305000664,0.22126150809817222,0.22433838460531771,0.227227099468665,0.22987063431548446,0.22994790788235042,0.23383452563793009,0.24089922049209428,0.24169188208956505,0.24405044415989782,0.24426407553889548,0.244306851065306,0.2465918132994534,0.24693452926177326,0.24804690503698454,0.24810182158071667,0.2504516336800147,0.2512383783793609],"n_dims_used":43,"mean_confidence":0.9202423095703125},"coverage":{"mean_confidence":0.9202423095703125,"n_dims_used":43,"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}}