{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002012","490:4900003636","491:4910002021","490:4900003371","490:4900003633","490:4900003108","490:4900003503","490:4900006311","491:4910002365","490:4900005956","490:4900006199","491:4910001628","491:4910001515","490:4900003109","490:4900003771","490:4900005028","490:4900005684","490:4900005029","490:4900006310","491:4910001633","490:4900005958","490:4900003237","491:4910001076","490:4900002968","490:4900006313"],"twin_admin_codes":[491,490,491,490,490,490,490,490,491,490,490,491,491,490,490,490,490,490,490,491,490,490,491,490,490],"twin_sims":[0.6955899354797926,0.5612220511389183,0.49905746627549635,0.44663651177215347,0.4146464913697952,0.405745706317189,0.39212280780049646,0.3681468068197389,0.3520925459822224,0.33422355041736745,0.32202829341865813,0.3204507986504021,0.3189465355596285,0.3132889942325575,0.3093213504621629,0.2749007266255375,0.2701608735705153,0.269934800096758,0.26455079185387237,0.26057272233478074,0.2495271200721919,0.24567689589938785,0.24564230782684254,0.2422992817519179,0.24072360747122207],"twin_dists":[0.11065961241737439,0.13959406747988978,0.15312351060649002,0.1648956160735697,0.17233017773762788,0.1744411780626678,0.1777127430925104,0.18360352997399101,0.1876550371224548,0.1922796234063299,0.19551316443557765,0.19593636059163577,0.19634100003876595,0.1978725689565762,0.19895606393335336,0.20871805887497674,0.21011891299275204,0.21018610568495802,0.21179674126745018,0.21299996324323955,0.2164028298283308,0.21761151781778076,0.21762243090290315,0.21868192090192115,0.21918457154981855],"n_dims_used":44,"mean_confidence":0.8946519331498579},"coverage":{"mean_confidence":0.8946519331498579,"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}}