{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001745","491:4910001799","490:4900004207","490:4900003369","491:4910001402","491:4910001744","490:4900003238","490:4900003375","490:4900002822","490:4900003773","490:4900003640","490:4900003374","490:4900003239","490:4900003777","490:4900003772","490:4900003243","490:4900004336","491:4910002014","490:4900002816","491:4910001864","491:4910001564","490:4900004475","491:4910001802","490:4900002065","490:4900003504"],"twin_admin_codes":[491,491,490,490,491,491,490,490,490,490,490,490,490,490,490,490,490,491,490,491,491,490,491,490,490],"twin_sims":[0.41607504257962197,0.41131965317766284,0.2638469413128162,0.2401240619937713,0.22757883240608526,0.21577390686572442,0.2045108954436253,0.19212821440027836,0.18444318642777258,0.18073888946678068,0.17715129727078568,0.16286316975213852,0.16265543417387043,0.15311415897179018,0.14389662731373687,0.1347447864560716,0.13155185826563362,0.13066351641257393,0.12612986765282347,0.12420035000934646,0.11829966642526339,0.10265610628759594,0.10135703810266966,0.10128661548470862,0.09984361921283601],"twin_dists":[0.1719932149613374,0.1731168575300075,0.21200880227000393,0.21937639096082648,0.22346403591265981,0.22744906368771495,0.23139056431413213,0.23589957608237022,0.23880056947889028,0.24022931969758818,0.2416329495295999,0.2474335574784853,0.2475205491908268,0.2516062366778112,0.25573471177272933,0.26003277457429497,0.26158373467354934,0.26202027900125385,0.26428377710464607,0.26526585309259865,0.2683430895798898,0.2771151903788196,0.27788927933198476,0.27793146375462485,0.27880093752742385],"n_dims_used":45,"mean_confidence":0.8958021375868056},"coverage":{"mean_confidence":0.8958021375868056,"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}}