{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001911},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001403","491:4910001628","490:4900003236","491:4910001751","491:4910001076","491:4910001570","490:4900004331","491:4910001966","491:4910001569","490:4900003369","491:4910001515","490:4900003501","491:4910002206","490:4900003237","491:4910002012","490:4900006313","491:4910001968","491:4910001633","490:4900004193","490:4900005154","491:4910002068","491:4910001634","490:4900004197","490:4900004888","490:4900003638"],"twin_admin_codes":[491,491,490,491,491,491,490,491,491,490,491,490,491,490,491,490,491,491,490,490,491,491,490,490,490],"twin_sims":[0.3807558186462125,0.3408697823017851,0.32775826104619005,0.26291413451341883,0.2499421950048087,0.24437883886235093,0.24275044672459484,0.24054264649118917,0.21105947312144968,0.19962212162370455,0.1975750774273141,0.1942209739699606,0.18932798258590555,0.18773612202816742,0.1688847303888812,0.16520741838588465,0.1587946437472467,0.15650963824060332,0.15536063950432705,0.15515428353815341,0.1547372671904149,0.1506945052930344,0.14988553477910319,0.14862381089105103,0.14852372925509047],"twin_dists":[0.180483206875878,0.19054448506700897,0.19398561848285292,0.21229039015088247,0.2162732424814206,0.21802175588332104,0.2185383863054411,0.21924243574730246,0.22908146405009555,0.233147610074167,0.23389213412392593,0.2351236704185935,0.23694705308881556,0.23754735399280852,0.24494609712988422,0.24645739889867954,0.24915217643459334,0.25013149796642775,0.2506278914953087,0.2507173260654646,0.2508983267472516,0.25267185045062557,0.25303092609491734,0.25359382481318304,0.25363862531996184],"n_dims_used":45,"mean_confidence":0.8980596754286024},"coverage":{"mean_confidence":0.8980596754286024,"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}}