{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001312},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001549","491:4910001246","491:4910001613","491:4910001950","491:4910001550","491:4910002152","491:4910001245","491:4910002251","491:4910002198","491:4910001313","491:4910002047","491:4910001241","491:4910001957","491:4910002250","491:4910001786","491:4910001377","491:4910003017","491:4910001492","491:4910002357","491:4910000980","491:4910001795","491:4910002097","491:4910001902","491:4910001172","491:4910001667"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.35215608353732575,0.3392891881341729,0.3166350578065468,0.2564621009432685,0.2546095069515647,0.24154252542978585,0.23816112254398855,0.2144698915463733,0.21249933065825952,0.1955945940143531,0.19491288033826343,0.17941195484247285,0.16645848371859792,0.1615545766383108,0.15986807927363889,0.1461740351410442,0.14402994538209327,0.13702174698459346,0.13461970620355812,0.12512989558500343,0.12064683557151859,0.10760889168003375,0.10023021810657173,0.09768413327415962,0.09652738444887066],"twin_dists":[0.18763881750075648,0.19095546812682077,0.19696487502169385,0.21425546385765318,0.21482545601378983,0.21892306600182318,0.22000660322856758,0.22789815473753114,0.22858031082803154,0.23461754487732484,0.23486842032855335,0.24074615456678033,0.24594053918494777,0.24798289547711355,0.2486956589614621,0.25469690609746376,0.2556736250007772,0.2589435188437349,0.260093009410511,0.26479130228429215,0.26710529735986294,0.27423218642569896,0.2785670341352069,0.28012070165942565,0.2808370870519512],"n_dims_used":45,"mean_confidence":0.8892015245225694},"coverage":{"mean_confidence":0.8892015245225694,"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}}