{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001580},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002135","480:4800002040","480:4800002083","480:4800002081","480:4800001305","480:4800001355","480:4800002224","480:4800001412","480:4800002316","480:4800002080","480:4800002079","480:4800001365","480:4800001581","480:4800002178","480:4800001809","480:4800002237","480:4800002367","480:4800002317","480:4800002464","480:4800002139","480:4800001925","480:4800001372","480:4800001429","480:4800001693","480:4800001753"],"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":[0.9401125125755395,0.9394002512236906,0.9238202076368235,0.9221340722250745,0.9178381383068391,0.9067080502712782,0.8964318861879617,0.8709393738546699,0.8393620176606003,0.8387156397491843,0.8133063503333103,0.806933991760755,0.7901555457637334,0.7824014944872973,0.7703259971676583,0.7493807326494744,0.748433063100914,0.7428547004709619,0.7359485857762922,0.7341514469408819,0.7327490759366176,0.7212130304912834,0.7206149031045342,0.7162494147686769,0.7156038985977791],"twin_dists":[0.04564334105546501,0.04592257483894329,0.05170172900701347,0.05229433007711299,0.053779400194524984,0.0574787464849492,0.06073155616748051,0.06827567630449101,0.07685962469456287,0.0770285042346903,0.0834937262617729,0.08506796935185523,0.08913695084591648,0.09098396118858709,0.09382323543758006,0.09865471625019441,0.09887083058180733,0.10013900926089728,0.10170010268338402,0.10210479785172376,0.1024201702947915,0.10500104835531854,0.10513424367469841,0.10610464686191388,0.10624788506590799],"n_dims_used":42,"mean_confidence":0.9110537937709263},"coverage":{"mean_confidence":0.9110537937709263,"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}}