{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001182","491:4910001187","491:4910001624","491:4910001130","491:4910001186","491:4910001564","491:4910001124","491:4910001194","491:4910001323","491:4910001059","491:4910001267","491:4910001195","491:4910001128","491:4910001190","491:4910001052","491:4910001117","491:4910001321","491:4910001679","491:4910001000","491:4910001568","490:4900006083","491:4910001189","491:4910001330","491:4910001916","491:4910001387"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491],"twin_sims":[0.587328619761802,0.5454503366727711,0.4578811147111013,0.34307630646517806,0.30623783875938815,0.306099860702853,0.29882902550940665,0.2862647858205693,0.2858318410786317,0.2695227727663791,0.2611593504566163,0.23764095435595947,0.23702497868685754,0.21992632018396177,0.19381920483219212,0.19232887861694936,0.17302838393597644,0.1646095997518589,0.1619668018381622,0.16101474165487395,0.16090859051171913,0.15993224694179575,0.1544544210784827,0.15211235865284803,0.1474830558700244],"twin_dists":[0.13398752320041452,0.14299688505359723,0.1623322723946459,0.18997245083777928,0.1998036344468752,0.199841675453066,0.20186052689768802,0.2054184224677216,0.20554266495780887,0.2103086564164846,0.21282180933819617,0.220174172445548,0.22037291510066898,0.22603106653318655,0.23527217649944954,0.2358249240997453,0.24327121809486627,0.2467053775291912,0.24780949926303356,0.24821045505409198,0.24825526667489217,0.24866844005890906,0.25102129585801186,0.25204591742710797,0.2541057976289881],"n_dims_used":45,"mean_confidence":0.8954399956597222},"coverage":{"mean_confidence":0.8954399956597222,"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}}