{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004206},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003632","490:4900003634","490:4900003237","491:4910002162","490:4900003367","490:4900003501","490:4900003770","490:4900002369","490:4900003240","490:4900004193","490:4900003926","491:4910001403","490:4900003639","490:4900005285","490:4900003783","491:4910002068","490:4900005294","490:4900003782","490:4900007413","490:4900003502","490:4900004331","490:4900005293","490:4900005417","490:4900005288","490:4900003635"],"twin_admin_codes":[490,490,490,491,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.640144889156688,0.5514932665082518,0.5127753715679851,0.47774759201833533,0.4663663125467588,0.4317997951611989,0.38203512290078123,0.3681450180473079,0.346502926069834,0.342905636814174,0.33691602973652485,0.2957726239771809,0.26002117719778367,0.254509966852609,0.25237451837881314,0.2481760775685776,0.24752276275117446,0.23919581696183695,0.2303361168798197,0.22550804585944767,0.22439395083489896,0.22283527884801743,0.22085076915736457,0.21512897628670336,0.2117139922345525],"twin_dists":[0.12266928776617175,0.14169129783948664,0.15010675044111538,0.15785737579901213,0.16041301288613408,0.16831585593796372,0.1801694543239369,0.1836039763504139,0.1890879779389253,0.1900166262078067,0.19157447040115783,0.20271774877974583,0.21316769270193897,0.21485615607768746,0.21551661462528252,0.21682558642822367,0.2170305453372114,0.21967398968226903,0.2225531623850478,0.22415293880768103,0.22452531153684147,0.22504834940440005,0.22571782802016932,0.22767094240710345,0.22885336737014958],"n_dims_used":44,"mean_confidence":0.8990624167702415},"coverage":{"mean_confidence":0.8990624167702415,"n_dims_used":44,"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}}