{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001870},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001639","480:4800001869","480:4800001750","480:4800001695","480:4800001291","480:4800002032","480:4800001697","480:4800002283","480:4800002030","480:4800001922","480:4800002329","480:4800001811","480:4800001637","480:4800002363","480:4800002510","480:4800002086","480:4800002409","480:4800002187","480:4800001638","480:4800001635","480:4800002509","480:4800002466","480:4800001805","480:4800002094","480:4800002097"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9468364804864251,0.9194953236172803,0.9079174793084545,0.9054510244272944,0.8976815642075999,0.8674076082793888,0.8528177726726547,0.813163347789203,0.7969994643079321,0.7744922172860309,0.7723092269373062,0.772183739965765,0.7645462533897405,0.75219983872321,0.7477840986981159,0.7399969467159785,0.7353773986390448,0.7333318667529001,0.7247099107818857,0.7239055472612173,0.7172795312068219,0.7157846279346228,0.7119972479233289,0.711728912007836,0.6714856789248568],"twin_dists":[0.04292891970070209,0.05321061584348553,0.05708623784345024,0.05788443100118788,0.060343404329604805,0.06927225049022454,0.07328636426607628,0.08352924268910186,0.08748977699334806,0.0928484813947699,0.09335984066324338,0.09338919430715942,0.09516756399978543,0.09801063133677347,0.09901871115034781,0.10078615335616091,0.10182879456175123,0.10228915414505252,0.10422115291702069,0.1044007284325138,0.10587593350286041,0.10620778819553858,0.10704702953633156,0.10710640882312338,0.11591071931301578],"n_dims_used":42,"mean_confidence":0.9111366271972656},"coverage":{"mean_confidence":0.9111366271972656,"n_dims_used":42,"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}}