{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003648","490:4900003257","490:4900002986","490:4900004355","490:4900004357","490:4900003127","490:4900002990","490:4900003261","490:4900001246","490:4900002996","490:4900004217","490:4900003792","490:4900003263","490:4900003398","490:4900003515","490:4900004354","490:4900003810","490:4900003803","490:4900003654","490:4900003794","490:4900003391","490:4900003529","490:4900002991","490:4900002697","490:4900003262"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.35953613452087624,0.3492139519648697,0.316715558932086,0.29127495188125385,0.2745371693960245,0.2470754695857939,0.2297141892258851,0.1974521931429915,0.19343403034978923,0.18794326076201345,0.18791657255961916,0.1836514409274793,0.18091970662872137,0.17973375629877894,0.14966522842931665,0.14936611816160433,0.1457240172151038,0.14317568339854883,0.13643431727001246,0.13130913097333005,0.12494594823666194,0.11980776046663802,0.10767590958785268,0.10120647340337909,0.10036922163034181],"twin_dists":[0.18576506785635608,0.18839148345458068,0.1969431044084672,0.20398876048136405,0.20882497929959198,0.217171071137861,0.2227579854803257,0.2339369972676107,0.23541474978051954,0.23746903932947605,0.2374791261635179,0.23910423332159803,0.2401591004703204,0.24062056630248516,0.2531289600721874,0.2532622312668708,0.25490102300958684,0.25606578043427863,0.2592232283101336,0.261702793261198,0.2648849978439086,0.26754565633656546,0.2741938892191374,0.2779794982110151,0.2784831056161932],"n_dims_used":45,"mean_confidence":0.9161602444118924},"coverage":{"mean_confidence":0.9161602444118924,"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}}