{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011005},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011175","490:4900011006","490:4900010929","490:4900011900","490:4900011158","490:4900010838","490:4900010580","490:4900011320","490:4900010426","490:4900010672","490:4900011086","490:4900010927","490:4900011088","490:4900010759","490:4900011234","490:4900011082","490:4900011232","490:4900011007","490:4900010677","490:4900010931","490:4900010776","490:4900010755","490:4900011155","490:4900011085","490:4900011157"],"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":[0.5714788753294836,0.5456362186094403,0.529937855170358,0.4765715034674658,0.46111528502720683,0.41824543842563394,0.4103419373503347,0.35585744969949745,0.3487153764351001,0.34584705368881047,0.32024615020866326,0.3002055526263454,0.2865554148403699,0.2560070781765029,0.25469935414758,0.24614875603565226,0.23879128391766807,0.2325127245924767,0.23239592765532907,0.20556449661194667,0.1887958474227515,0.18279675076455904,0.18267714731243417,0.17297080405519222,0.17240365419269213],"twin_dists":[0.1373882725715,0.14295668837733966,0.1463605993583539,0.15812052230375478,0.16159927013376685,0.1714822171625091,0.17334857972388198,0.18669655640036034,0.18851935933505357,0.1892569105916141,0.19599134727398587,0.20147613552917587,0.20533508369632011,0.2143952195972375,0.21479775196456122,0.21746273713611775,0.2198039194205155,0.22183918361636465,0.22187738383718417,0.231015679814497,0.2371473300853315,0.23943307646416945,0.23947918051616887,0.2432942941754277,0.24352188287110074],"n_dims_used":45,"mean_confidence":0.8907882690429687},"coverage":{"mean_confidence":0.8907882690429687,"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}}