{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001516},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003267","490:4900003536","490:4900003130","490:4900001376","490:4900001510","490:4900003131","490:4900003266","490:4900001646","490:4900003952","490:4900001511","490:4900003661","490:4900002993","490:4900004493","490:4900003519","490:4900003265","490:4900001383","490:4900001378","490:4900002994","490:4900002550","490:4900003527","490:4900003259","490:4900003258","490:4900002845","490:4900003403","490:4900003139"],"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":[0.5096569740264989,0.4290331087330993,0.3100335434347138,0.23388560638860872,0.22135738196163846,0.20357578553299285,0.20048750092379541,0.180717455005595,0.1799511415282972,0.17901632499500617,0.1779800630745411,0.17282163260042396,0.17246934895210797,0.15303967949263073,0.13100703150622348,0.12780054035425406,0.12108828242345225,0.10510021878223344,0.10298788483136836,0.0950565997183364,0.09328008372289545,0.09104806847811667,0.08988092612442,0.08238628930775349,0.07475996599939637],"twin_dists":[0.15079064241121873,0.16895879019190604,0.19876099335658598,0.2213911035050495,0.225546540292109,0.23172439777953677,0.23283444979582482,0.24023764693350327,0.2405358183309124,0.24090077462940762,0.24130691904423168,0.24335410263938725,0.24349549315245325,0.25163885225502397,0.26185120604220763,0.26344261092073457,0.26687455784763275,0.27567926796016845,0.2769187168758522,0.2817577705716454,0.28288491886750305,0.28432534276837135,0.28508970712230625,0.2901953074062058,0.2957874127575721],"n_dims_used":45,"mean_confidence":0.9137396918402778},"coverage":{"mean_confidence":0.9137396918402778,"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}}