{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000498},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000453","489:4890000416","489:4890000495","489:4890000345","489:4890000745","489:4890000597","489:4890000595","489:4890000594","489:4890000342","489:4890000418","489:4890000415","489:4890000309","489:4890000632","489:4890000762","489:4890000704","489:4890000462","489:4890000637","489:4890001182","489:4890000224","489:4890000802","489:4890000770","489:4890000503","489:4890000398","489:4890000747","489:4890000274"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9342369926468468,0.9114885228667119,0.8999387230137483,0.8662330523125191,0.8631786903275922,0.858492678371857,0.83576297721669,0.8234975773002601,0.8134750019391948,0.812735399715133,0.8016749401907038,0.7945917855127985,0.7828772692934063,0.7761829257192977,0.7739478202327655,0.7711089186532792,0.7593957196429814,0.7559796657138717,0.7455467690463037,0.7394939657965267,0.7332196559552899,0.7311086918670321,0.7202682909042472,0.7196123186382568,0.7137387167904073],"twin_dists":[0.047904194866461726,0.055914330875461014,0.05963731343502622,0.0696014070445971,0.07045222347124339,0.07174366530672523,0.07779692668265675,0.08093893737050564,0.08345182818176733,0.08363547598398449,0.08635473024771462,0.08807113971455383,0.09087119164219917,0.0924514906375975,0.09297613286908843,0.09364043230634952,0.09635816439076429,0.09714417190144765,0.09952783051729616,0.1008998823191672,0.10231438499420015,0.10278860336216245,0.10521140314413968,0.10535737620979034,0.10666140661255911],"n_dims_used":45,"mean_confidence":0.9146408081054688},"coverage":{"mean_confidence":0.9146408081054688,"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}}