{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004989},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004140","487:4870010235","480:4800005073","480:4800004905","480:4800004904","480:4800004482","480:4800005804","480:4800005352","480:4800003911","480:4800005423","480:4800005253","480:4800002764","480:4800005424","480:4800002899","480:4800005673","480:4800004384","480:4800004643","491:4910001618","480:4800002998","480:4800003690","480:4800002853","480:4800004477","480:4800005420","480:4800002661","487:4870009573"],"twin_admin_codes":[480,487,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,491,480,480,480,480,480,480,487],"twin_sims":[0.04882195523864851,0.04323846520390492,0.03968099311611591,0.03728586528653944,0.03410936624075031,0.03274214932633727,0.03080233004958445,0.030300120305927974,0.028252938069420284,0.02576418667103324,0.023930743433059665,0.021432818426260172,0.021299256456432786,0.02039087863988117,0.019490275756741903,0.018610253369556615,0.01845012171498985,0.017457194757739356,0.017450988417919113,0.01696385646830348,0.016400906667816323,0.01623678265400108,0.01599526413046229,0.015112558529059619,0.014750217220836661],"twin_dists":[0.31916243246364107,0.32551763787290644,0.32993656711984837,0.3331041839852184,0.337582905617861,0.33962076917883577,0.34264054942135647,0.34344883210192845,0.34686739500833413,0.35132284473050446,0.3548493910710223,0.3600514306974334,0.3603441604639709,0.3623785678770782,0.36447509339614825,0.3666070652153969,0.36700445035917845,0.3695381486502802,0.369554378600278,0.3708443255170505,0.3723761635589604,0.37283145216855346,0.37350884637863296,0.3760636464120979,0.3771505678769615],"n_dims_used":43,"mean_confidence":0.9199500860169877},"coverage":{"mean_confidence":0.9199500860169877,"n_dims_used":43,"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}}