{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007121},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006882","490:4900003704","490:4900007005","490:4900006622","490:4900007242","490:4900003176","490:4900003847","490:4900001417","490:4900003564","490:4900003573","490:4900004124","490:4900003441","490:4900007496","490:4900001687","494:4940008666","490:4900003708","490:4900004541","490:4900004406","490:4900003572","490:4900006261","490:4900006868","494:4940006808","490:4900003177","490:4900006272","490:4900007123"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.41243476200807383,0.4032962143260518,0.3993992887524907,0.38659472078833684,0.3413211431363861,0.33103762445545193,0.31609488043752587,0.3148233066775376,0.27612943034506315,0.275884500123702,0.2664947604806319,0.26635356955461276,0.26592974064981223,0.2646262916836785,0.260122384432597,0.2599311462109092,0.25625422554744304,0.25435419911401325,0.24138866976323653,0.23700335962768365,0.23130705597927823,0.2298385214891757,0.22791100830271763,0.22185413202793866,0.22125163702434644],"twin_dists":[0.17285286638878025,0.17502570963936237,0.1759589515621051,0.17905527304999633,0.19042731063533175,0.19311801218767022,0.19711104086505732,0.19745567344946247,0.20835734268759254,0.2084291694669278,0.2112128703228416,0.2112551875295748,0.21138229980192272,0.21177401507592947,0.213136897999517,0.21319509310076595,0.2143192912444415,0.21490421311341076,0.21897215291598324,0.22037989654175172,0.22223412503379503,0.22271700916811568,0.22335391581996594,0.22537884144251755,0.22558227139751338],"n_dims_used":45,"mean_confidence":0.9227076212565104},"coverage":{"mean_confidence":0.9227076212565104,"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}}