{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001896},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001899","491:4910001665","491:4910001100","491:4910002050","491:4910001483","491:4910001657","491:4910001999","491:4910001785","491:4910001045","491:4910001241","491:4910001298","491:4910001716","491:4910001727","491:4910003023","491:4910001715","491:4910002096","491:4910001725","491:4910002007","491:4910001095","491:4910002282","491:4910001599","491:4910001554","491:4910001605","491:4910001835","491:4910001492"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.6993807030912849,0.6761376255325561,0.5359045802959694,0.44054524669740985,0.42753771162893073,0.42438202422808396,0.40796062184947884,0.4056897026578203,0.3826891271559009,0.3702303857016676,0.3670004851074196,0.35738295491538513,0.35698926797452946,0.34357357286835283,0.3363873863993056,0.28617713949015317,0.2682014756922823,0.2566985470094524,0.24584143901357416,0.24102231776458327,0.23024131193574618,0.23008532987442956,0.22796122388183507,0.22080902035149286,0.21636425689949476],"twin_dists":[0.10982806595032651,0.11490166040943899,0.1450645299898481,0.16629434077618557,0.1693070018469834,0.17004347429395125,0.17391397734934216,0.17445452478157294,0.18000925323424993,0.18308431884688192,0.18388980978354696,0.18630968198529407,0.18640944108046234,0.18984380729894204,0.1917126791256338,0.20544356529014235,0.2107024384240947,0.2141829037185682,0.2175596153974325,0.2190891174737481,0.22258436146732796,0.22263571159268178,0.223337278030263,0.2257319551661521,0.22724635407384133],"n_dims_used":45,"mean_confidence":0.898429446750217},"coverage":{"mean_confidence":0.898429446750217,"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}}