{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004186},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004073","499:4990000611","499:4990001883","472:4720002377","477:4770003905","468:4680000864","499:4990003970","468:4680000120","467:4670000373","499:4990001242","472:4720002499","472:4720002938","470:4700003799","468:4680000932","499:4990000950","499:4990003372","472:4720006874","499:4990003154","468:4680000999","488:4880004613","468:4680000470","468:4680000428","488:4880000478","499:4990001705","499:4990001516"],"twin_admin_codes":[499,499,499,472,477,468,499,468,467,499,472,472,470,468,499,499,472,499,468,488,468,468,488,499,499],"twin_sims":[0.7798530403858022,0.5922394273002711,0.494455336323537,0.4908690065217785,0.4879173428733197,0.48725775742769495,0.45633769923941736,0.45490695101880724,0.45206935634901213,0.4421434574910656,0.4368640780158718,0.4261798460497831,0.4196489896941796,0.4078157873278311,0.4045432625998852,0.39688207795893987,0.3894536394896411,0.37462203743345435,0.37194066288428307,0.3696987020999317,0.3623279650747175,0.361374109512142,0.35077806189494193,0.34289495858090446,0.34262334348772394],"twin_dists":[0.09158680091294082,0.13293518682780017,0.15414065891271297,0.1549351984836405,0.15559042357869,0.15573700496526935,0.16268273152665985,0.16300799168920369,0.16365418827935446,0.16592662894205323,0.16714328488696475,0.16962362291083483,0.17115236763157907,0.1739484124343255,0.17472792383759952,0.17656397861097894,0.1783598489374923,0.18199467762301585,0.18265921573172847,0.1832166715546675,0.18506139184451875,0.18530149798678125,0.18799093665687475,0.1900193905033418,0.1900897194759445],"n_dims_used":45,"mean_confidence":0.9340514289008246},"coverage":{"mean_confidence":0.9340514289008246,"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}}