{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000935","490:4900000279","490:4900001742","490:4900000267","490:4900000227","490:4900000657","490:4900000559","490:4900000707","490:4900001010","490:4900001533","490:4900000923","490:4900000936","490:4900000933","490:4900000199","480:4800004450","490:4900000666","490:4900000091","490:4900000349","490:4900004183","490:4900000767","490:4900004042","490:4900000418","490:4900000898","490:4900004031","480:4800004630"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,480,490,490,490,490,490,490,490,490,490,480],"twin_sims":[0.687060156861938,0.5789085955167795,0.57357659918243,0.49289514494682823,0.4822473596530916,0.4070118796801223,0.4068700103884822,0.34362312663586925,0.3319788904124104,0.3154492215370188,0.3104690309137725,0.30930044647750554,0.2998303151986901,0.29926166269979915,0.2972005397758007,0.29577569420438427,0.2943532264303446,0.29352042393805183,0.2906483742042144,0.288585540121097,0.28812690782639133,0.2860973234555114,0.2833032884984854,0.2783974059671619,0.26744629599310155],"twin_dists":[0.11252459681027008,0.13579316176961598,0.13693770178706433,0.15448610556647804,0.15685247854223794,0.17413964378658947,0.1741734086466488,0.1898309930981452,0.19286985759097527,0.19728593438477213,0.19864183928647325,0.19896179345169576,0.20158081710741035,0.2017396026842823,0.2023166196449054,0.2027168850713726,0.20311761805985648,0.20335276378622782,0.20416674873454202,0.20475434675015916,0.2048853285846821,0.2054664658829243,0.20627055679816209,0.20769409018618368,0.2109280425176803],"n_dims_used":45,"mean_confidence":0.9167426215277777},"coverage":{"mean_confidence":0.9167426215277777,"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}}