{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003070},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004440","490:4900003873","490:4900003048","490:4900003608","490:4900002146","490:4900003737","490:4900003474","490:4900004425","490:4900003872","490:4900003597","490:4900003465","490:4900003341","490:4900003347","490:4900003346","490:4900002151","490:4900003068","490:4900004014","490:4900004417","490:4900002302","490:4900004305","490:4900002917","490:4900001994","490:4900004151","490:4900003067","490:4900002173"],"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":[0.8468094995358415,0.7081375490065442,0.5493391617936773,0.5077524527995914,0.4816996605455713,0.471357042388625,0.46998704032879984,0.4632050955972868,0.45157485515840956,0.43267139166257124,0.42893339043301115,0.4169409805016985,0.4157247777682776,0.39567704092282413,0.38899498308536784,0.3853541029552135,0.38350294512258015,0.3780324198251607,0.37617048766030364,0.34843545701123485,0.3482642365577829,0.34688577651383024,0.34379597570750503,0.34071556090675326,0.3335629619414702],"twin_dists":[0.07489593160107302,0.10790013141585408,0.14215642149271907,0.15120885012384952,0.15697463210550786,0.15928981926274408,0.15959774304509974,0.16112659904753385,0.16376695238515754,0.16811365707947196,0.1689819946597589,0.17178920208292392,0.17207578830038245,0.17685423902719147,0.17847125338770933,0.17935780672088425,0.17981008826114514,0.1811528270128904,0.18161198174841608,0.1885911958579972,0.1886351516082512,0.18898944546732463,0.18978630342732547,0.1905845403727561,0.19245310046415798],"n_dims_used":45,"mean_confidence":0.9167498270670573},"coverage":{"mean_confidence":0.9167498270670573,"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}}