{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900013292},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012729","490:4900012661","490:4900012369","490:4900013291","490:4900012525","490:4900013191","490:4900012656","490:4900012444","490:4900013126","490:4900013193","490:4900013365","490:4900012730","490:4900012597","490:4900012299","490:4900012524","490:4900012243","490:4900013290","490:4900012371","490:4900012523","490:4900012966","490:4900012659","490:4900012793","490:4900012592","490:4900012382","490:4900012516"],"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":[0.39212051281927707,0.3084058051047197,0.24228796387974963,0.18005408697566488,0.1718171122418552,0.14847827180864206,0.142066453369814,0.13549561752335398,0.13010222461025245,0.09491562483783643,0.0897965002661614,0.07406971377187009,0.07297714583292036,0.06959911262308373,0.06577231532355507,0.06274187694106372,0.06058341614646945,0.05747736743742814,0.054734828506969334,0.0506835026408985,0.048031220438927734,0.04740536336281843,0.047104237630460816,0.046113433913886566,0.04365457068396281],"twin_dists":[0.17771329859594193,0.1992072120766068,0.21868552381707926,0.24049571019389504,0.24375781755871326,0.253658981230524,0.2565775830136703,0.25967207636745904,0.26229726137512405,0.2818466057612106,0.2851453021312508,0.2963158964353896,0.297160601015297,0.2998387320507613,0.30300340081500166,0.3056179414023744,0.3075439971562816,0.3104170881925618,0.31306244779294295,0.3171786429197436,0.3200242327105265,0.32071477936211507,0.3210497489537302,0.32216470467543473,0.3250209810747162],"n_dims_used":45,"mean_confidence":0.9125612046983507},"coverage":{"mean_confidence":0.9125612046983507,"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}}