{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003800},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003797","490:4900001242","490:4900002247","490:4900001243","490:4900002692","490:4900001781","490:4900004489","490:4900001122","490:4900001640","490:4900001780","490:4900002547","490:4900003941","490:4900003249","490:4900002248","490:4900001108","490:4900002399","490:4900003796","490:4900002681","490:4900003939","490:4900001107","490:4900002546","490:4900001636","490:4900004079","490:4900002694","490:4900002680"],"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":[0.48561832288369283,0.44189407897596383,0.4376645969423431,0.41841231990093825,0.41597303049269074,0.4154050138859391,0.393303860255383,0.3560303195218902,0.3062695273806788,0.29166689036441706,0.2797514167236084,0.26464905688850043,0.25862910880797374,0.24729293887615558,0.2464519938565309,0.24538355375386126,0.24003426700590555,0.2349973857247385,0.23239541439173228,0.21332404554989667,0.21292667764702683,0.2102188117343326,0.20453524233367937,0.19493502979213725,0.18203973164192194],"twin_dists":[0.15610160337248746,0.165983971214719,0.16695843182538583,0.17144297358529087,0.17201726076136822,0.17215119732955017,0.17742706811948478,0.1866526730186854,0.19979489918706855,0.20387754055500804,0.20729968823834102,0.21176716331914516,0.2135920300445848,0.21710272856727994,0.2173672210366473,0.21770410332076282,0.219405146861322,0.22102950446627345,0.22187755173572454,0.228294297980568,0.22843201240596642,0.2293751357231466,0.23138188647919433,0.23486025960965148,0.2397252479704902],"n_dims_used":44,"mean_confidence":0.9187065471302379},"coverage":{"mean_confidence":0.9187065471302379,"n_dims_used":44,"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}}