{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003925},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004333","490:4900003113","490:4900003633","490:4900003503","490:4900004477","490:4900004196","491:4910002113","490:4900003370","490:4900007293","490:4900003642","490:4900003110","490:4900003371","490:4900005287","490:4900003109","490:4900003237","491:4910001507","490:4900003643","490:4900006310","490:4900003638","491:4910002012","490:4900002375","490:4900002968","491:4910001396","490:4900003106","490:4900003636"],"twin_admin_codes":[490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,491,490,490],"twin_sims":[0.6807043941825638,0.5150768703095147,0.4915403468012737,0.4818350304884811,0.4667921824528258,0.4666473054512382,0.44275766757420837,0.43777091341541685,0.4195433215674754,0.3763484873917958,0.372794521677587,0.3499963893029414,0.34337925904355765,0.33881548278781043,0.32938118541454786,0.3268884458540914,0.3258908893349041,0.31947881465226696,0.31691382159864623,0.31599063345480694,0.3139400771642134,0.29794062060666,0.2869019992322367,0.2823826354945671,0.26137267694019267],"twin_dists":[0.11390920177999217,0.14960268369208027,0.1547863355525486,0.15694443642096748,0.1603170088176706,0.1603496651299093,0.16578545041025722,0.16693389165049902,0.1711771844330337,0.18156803895770976,0.1824473442905721,0.1881909949485857,0.1898940647623218,0.19107884022148922,0.1935556552219931,0.19421654297180033,0.19448179972302726,0.1961976972665987,0.19688949985695792,0.19713926517319627,0.1976955186337412,0.2021091625741875,0.2052357658132905,0.20653655671251342,0.2127570862122263],"n_dims_used":44,"mean_confidence":0.8983534899624911},"coverage":{"mean_confidence":0.8983534899624911,"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}}