{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004597},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004037","490:4900003617","490:4900004593","490:4900001319","490:4900003076","490:4900003898","490:4900000568","490:4900000902","490:4900003893","490:4900004174","490:4900001998","490:4900002024","490:4900004184","490:4900001316","490:4900002176","490:4900001875","490:4900002180","490:4900002656","490:4900001332","490:4900002483","490:4900004873","490:4900003081","490:4900001709","490:4900002496","490:4900004319"],"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":[0.7634287383997174,0.7047985569583215,0.7031646602116315,0.635355608612981,0.6259323450684522,0.6006545875671503,0.5914115155049513,0.587328425187814,0.5857595019024007,0.5833244429154508,0.550352254902554,0.5488212238289203,0.5459246100139833,0.5306656754540349,0.5197691589211496,0.5196735434898854,0.5184335163194084,0.506149074393638,0.5029342476442171,0.4957983487993637,0.49249755940693485,0.49206236528003877,0.48785430718565237,0.4842862803722812,0.47749155129626286],"twin_dists":[0.09542646610320787,0.10863645729224687,0.108996220768695,0.12369758120708822,0.12571863635885597,0.13113275127392415,0.13311256843154615,0.13398756490530198,0.1343238749943844,0.13484596539044477,0.14193763314563818,0.14226830146362562,0.14289432892084156,0.14620234359975956,0.14857669628169262,0.14859758077310534,0.14886851225808798,0.1515612496491601,0.15226872137140127,0.15384355178051565,0.1545741872757318,0.1546706248239702,0.15560442956113227,0.1563981188624089,0.1579146462995261],"n_dims_used":45,"mean_confidence":0.9176000807020399},"coverage":{"mean_confidence":0.9176000807020399,"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}}