{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002561},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002866","490:4900002865","490:4900002717","490:4900003678","490:4900003544","490:4900003012","490:4900003679","490:4900003422","490:4900002249","490:4900002413","490:4900002864","490:4900003013","490:4900003957","490:4900003006","490:4900002716","490:4900002250","490:4900002562","490:4900003680","490:4900002867","490:4900003021","490:4900003541","490:4900002871","490:4900002872","490:4900001256","490:4900003020"],"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":[0.8014780669902563,0.7464060671199386,0.6744430632868764,0.62786611668424,0.5923306350430912,0.5294370401958115,0.47170737434892024,0.4308798957433049,0.42155003384388084,0.4210264247241152,0.41958149895589525,0.41829476835679186,0.39624593222242227,0.3917919063140772,0.32351554405271904,0.31424547764008876,0.2902613622765012,0.27990116241894414,0.27076639647428613,0.2619815300057898,0.259506847543218,0.24359651470523205,0.24191517124519013,0.2043155477562647,0.18526858116799874],"twin_dists":[0.0864026906261641,0.09933241974830674,0.11526944548139496,0.1253040906410408,0.1329156461054188,0.1464695223589946,0.1592111263939478,0.1685294396508171,0.17070634673022309,0.17082911038897422,0.17116821793550024,0.17147061612104617,0.17671715811561378,0.17779285391093855,0.19511523775610043,0.19761254238227383,0.20427679907805207,0.20725614101137518,0.20993911274877936,0.21257254259882225,0.21332430632002464,0.21826968082524098,0.21880425904235068,0.23146021670225622,0.23848497561799212],"n_dims_used":44,"mean_confidence":0.9197044372558594},"coverage":{"mean_confidence":0.9197044372558594,"n_dims_used":44,"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}}