{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001301},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001100","491:4910001599","491:4910000964","491:4910001482","491:4910002290","491:4910001101","491:4910001715","491:4910001164","491:4910001604","491:4910002232","491:4910001835","491:4910001375","491:4910001659","491:4910001989","491:4910001039","491:4910002139","491:4910001040","491:4910001893","491:4910001657","491:4910002282","491:4910001885","491:4910001718","491:4910002343","491:4910001991","491:4910001716"],"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":[0.5652765971393244,0.5432745086099465,0.4558012051888829,0.44823382808804835,0.4426110122470077,0.39125993378267593,0.38522778024759524,0.37776087829408206,0.3588081608641103,0.3422854500933791,0.3359265982828862,0.3249192679533176,0.31867770220637665,0.31774723537432553,0.30609195107934845,0.30586063432718813,0.3017680828366605,0.29585085938615985,0.2901547408013631,0.28775110191790876,0.2829635824569762,0.2811809364478379,0.2751767491870625,0.26112301519054015,0.2533641458761559],"twin_dists":[0.13872153105013724,0.14346758477101954,0.16280465224274046,0.16453003681855,0.16581915281000334,0.17792170995589215,0.1793886373732244,0.18121972077766338,0.1859490102523123,0.19017725131902613,0.19183324364145812,0.19474059296378812,0.19641342778166096,0.1966643754591937,0.19984385646253527,0.19990765443874747,0.20104104945396065,0.2026957414453084,0.20430713321467228,0.20499274883588123,0.20636864558579773,0.2068845481052115,0.20863693983162673,0.21283283674226489,0.21521009941767383],"n_dims_used":45,"mean_confidence":0.8985549926757812},"coverage":{"mean_confidence":0.8985549926757812,"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}}