{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005232},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004450","480:4800004538","493:4930000145","493:4930000179","480:4800004630","493:4930000392","480:4800003743","480:4800004627","480:4800005722","493:4930000393","480:4800004713","480:4800004044","490:4900004042","480:4800004449","480:4800004625","480:4800003896","480:4800004451","490:4900000267","480:4800003970","480:4800004800","480:4800004452","496:4960011753","480:4800003545","490:4900000279","490:4900000938"],"twin_admin_codes":[480,480,493,493,480,493,480,480,480,493,480,480,490,480,480,480,480,490,480,480,480,496,480,490,490],"twin_sims":[0.5801704409310667,0.4129055298406601,0.40628784016688585,0.3913213780692471,0.34891717940966205,0.34788735593026165,0.329934011869999,0.31331874832072576,0.2991276866576023,0.29515677413126923,0.29089902326084394,0.2844651748957151,0.27762688397476415,0.2649739738574212,0.26129594128647676,0.2581511121484101,0.2580255394351722,0.25545210753936154,0.25531614681932907,0.24083195685583644,0.23216566318716758,0.22930229337655425,0.22235383841825565,0.21812576909542825,0.2173225167413602],"twin_dists":[0.13552243812215864,0.1727415100877298,0.17431201982722683,0.17790682255277396,0.18846758885342965,0.18873194455005313,0.19340946049752228,0.19786447330387114,0.2017770386921474,0.20289110509017297,0.2040955209522341,0.20593560199123392,0.20791905260023044,0.21166941148812998,0.2127803639446561,0.21373806717954258,0.2137764603287782,0.21456588636382315,0.21460773335465325,0.21914993919121056,0.22195273233155396,0.2228938391099754,0.2252103974185708,0.2266437039697077,0.2269181058723385],"n_dims_used":43,"mean_confidence":0.9214926431345385},"coverage":{"mean_confidence":0.9214926431345385,"n_dims_used":43,"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}}