{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001069},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001328","491:4910001622","491:4910001198","491:4910001120","491:4910001512","491:4910001185","491:4910001055","491:4910001133","491:4910001394","491:4910001513","491:4910001571","491:4910001272","490:4900002522","491:4910002615","491:4910001691","491:4910000990","491:4910001806","491:4910001748","491:4910001132","490:4900007541","490:4900006683","491:4910001682","491:4910001738","491:4910000999","497:4970000561"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,490,490,491,491,491,497],"twin_sims":[0.3086739493252947,0.21258551546804577,0.20420080544058877,0.20232993738742439,0.17862115334589182,0.1620278754810039,0.15317815303048507,0.1517209082769743,0.10753265281637825,0.08415551192423712,0.07140817677665566,0.06962032852029425,0.058279107816377414,0.05619517355247174,0.05325799264740212,0.05070559289750211,0.04832308275730553,0.04604317367671729,0.038929908984789194,0.03678854002726879,0.03643354260656085,0.03185279526001893,0.030597186775537213,0.030424444590335224,0.028963014238310453],"twin_dists":[0.1991336116999973,0.22855038663774682,0.23150115003516436,0.23217080283422845,0.24105545778202464,0.24778383680925695,0.25157822210334774,0.2522182991289427,0.27427577542494497,0.2889576799201499,0.29839170913511326,0.29982158600838676,0.3096634637414124,0.3116405589767543,0.31453270231045255,0.31715546901936364,0.3197047702118121,0.32224452787759056,0.33091206136736456,0.3337834406290561,0.3342730852591904,0.3409857143642717,0.3429693439278641,0.34324767516752636,0.3456582401253866],"n_dims_used":45,"mean_confidence":0.897388203938802},"coverage":{"mean_confidence":0.897388203938802,"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}}