{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011570},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011504","490:4900011506","490:4900011307","490:4900011505","490:4900010584","490:4900011369","490:4900011443","490:4900011377","490:4900007888","490:4900010052","490:4900010756","490:4900011002","490:4900008769","490:4900011503","490:4900012103","490:4900011305","490:4900010144","490:4900011509","490:4900011636","490:4900011168","490:4900012109","490:4900010497","490:4900011157","490:4900012175","490:4900011370"],"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":[0.22907585306489986,0.17016424419462625,0.10642281512054451,0.1010866693970877,0.08046299771508333,0.0617539168941049,0.025996374686712495,0.021865586914392485,0.01920540067881014,0.01460784371712237,0.014194012026348641,0.013781946966977076,0.012026695568361096,0.011906617804849,0.011779213236284619,0.011601299153808696,0.011137414377034376,0.010946067827944439,0.010921808317385488,0.010131193789266931,0.008662085881098201,0.008433131516049044,0.008410353893677409,0.007687405401918528,0.007341828727365085],"twin_dists":[0.2229685934957745,0.24442579780488208,0.2749130490862788,0.27805136016460885,0.2915650627865857,0.30649266652081986,0.3508918405214432,0.3591137019038938,0.36515586947681217,0.37758409731794723,0.3788657215899084,0.38017506867603357,0.38617197551104737,0.3866100158414751,0.38707909027719617,0.38774172027105336,0.38951284396451813,0.3902625691383242,0.39035845245507617,0.3935919618584878,0.40024947492957,0.40137676589563104,0.40149040836715655,0.40524885723534154,0.4071587888091136],"n_dims_used":45,"mean_confidence":0.8892116122775607},"coverage":{"mean_confidence":0.8892116122775607,"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}}