{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010728},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009709","490:4900003974","490:4900008849","466:4660004807","490:4900009183","490:4900009291","490:4900008627","490:4900005903","494:4940009001","490:4900006139","490:4900011747","490:4900005901","490:4900008733","490:4900010635","490:4900006032","490:4900006638","490:4900009896","490:4900012217","490:4900011491","490:4900011419","494:4940009002","490:4900005898","490:4900009705","490:4900008060","490:4900012211"],"twin_admin_codes":[490,490,490,466,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.27716910850868465,0.2396238968652955,0.16584672419075722,0.1351704516068694,0.11701322376116746,0.10713288773261331,0.10002899934714554,0.07754495853494917,0.05786449636697866,0.05514468429801711,0.04853166716394338,0.048080074176840036,0.04207395735614636,0.03466179544635749,0.032211719754139626,0.03213471530994238,0.031170290441594292,0.028599986453725173,0.028314255146357242,0.026346531885220827,0.024368483522043953,0.02405954243098243,0.023022681200660363,0.022083993336972002,0.019807896563005387],"twin_dists":[0.20805288551807594,0.21953665261730887,0.24619292728206907,0.25982810108089044,0.2690294958157798,0.2745047314276046,0.2786886889339733,0.29369428441065065,0.31005211770811336,0.3126602477237972,0.3194774465801716,0.31997064630911626,0.32692926381317716,0.3367792053118111,0.34043098007368217,0.3405495472553981,0.3420554681484183,0.3462732000531522,0.34676195699748885,0.35024809431596376,0.35398671075559235,0.35459415030799324,0.35668345817734376,0.35864656678559736,0.36372623057882547],"n_dims_used":45,"mean_confidence":0.9150648328993055},"coverage":{"mean_confidence":0.9150648328993055,"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}}