{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010685},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011589","490:4900011654","490:4900012117","490:4900011650","490:4900011842","490:4900010920","490:4900010855","490:4900011099","490:4900012181","490:4900009761","490:4900012052","490:4900010839","490:4900011231","490:4900011841","490:4900012183","490:4900009342","490:4900009862","490:4900011233","490:4900011850","490:4900008788","490:4900011248","490:4900009863","490:4900010774","490:4900011155","490:4900010414"],"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":[0.477729443919576,0.17722864514432538,0.14725164528709858,0.11807481907886189,0.11398040376024111,0.1083863714436137,0.10034752218032975,0.09862432747114608,0.0966156633482491,0.09076004614781312,0.09024525140583836,0.08906469408983785,0.08274890531651219,0.07594221303927617,0.07412091834263301,0.07291143190912001,0.06758279622824812,0.06284225428166852,0.062399286231704675,0.06219698754498384,0.05736938958446132,0.05728801425415578,0.054783167994713236,0.054405910644846046,0.05390775254784911],"twin_dists":[0.15786143479017672,0.24160247562023107,0.25421001163744195,0.268462647358143,0.2706709414640369,0.2737890299969704,0.27849620146789117,0.27954332109191904,0.2807821780504143,0.28451324498095926,0.2848502699188981,0.28562894599325694,0.28993992764952614,0.2948913179445127,0.2962765559635469,0.2972117321271612,0.3014879964792376,0.3055297020007459,0.3059199788353214,0.30609896984001767,0.3105192472056296,0.31059634216559495,0.3130148818306619,0.31338702910806593,0.31388172811500364],"n_dims_used":45,"mean_confidence":0.8946667141384549},"coverage":{"mean_confidence":0.8946667141384549,"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}}