{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011544},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011804","490:4900011920","490:4900011789","490:4900012189","490:4900011547","490:4900012209","490:4900011412","490:4900011673","490:4900011276","490:4900011657","490:4900010949","490:4900011343","490:4900011805","490:4900011870","490:4900011664","490:4900011738","490:4900011734","490:4900010628","490:4900011277","490:4900011197","490:4900011611","490:4900011479","490:4900012190","490:4900011612","490:4900011806"],"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":[0.6576887495516224,0.6314807671782746,0.6096242201150119,0.606420958908155,0.6031212286038462,0.5945892661629384,0.5466615886213425,0.5314259200788785,0.48931027005956174,0.45314431874332195,0.42723386567013055,0.41513699747263344,0.39530092578576653,0.38647874619966205,0.3855837512604277,0.38553717203669036,0.36657321015852584,0.3642419086638758,0.3524740211877248,0.33628773613066293,0.3251927920586032,0.32231675278342486,0.32073387809179804,0.31652154473854177,0.3131880935613327],"twin_dists":[0.1188934764442411,0.1245289510134207,0.12921206726866402,0.12989797718748655,0.13060454565503257,0.1324317889033052,0.14273499651033902,0.14603708642202123,0.15528106670710448,0.1634092153468715,0.16937781523374287,0.17221442216361288,0.17694491815798874,0.179083534756129,0.17930177046132553,0.17931313492924156,0.18399663102781952,0.18458057556682717,0.1875576784905464,0.19173874488845233,0.19466769592259914,0.19543590461804425,0.1958603328412086,0.19699557865574188,0.19790002581423688],"n_dims_used":45,"mean_confidence":0.9153828938802083},"coverage":{"mean_confidence":0.9153828938802083,"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}}