{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001452},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004827","477:4770001505","477:4770001153","472:4720005702","477:4770001039","467:4670000643","477:4770001172","472:4720005633","477:4770001154","478:4780002268","472:4720005931","468:4680007926","477:4770000849","499:4990003665","477:4770001336","477:4770001388","477:4770003439","477:4770001627","467:4670000584","499:4990003447","477:4770001446","468:4680005330","472:4720005707","472:4720008014","472:4720005775"],"twin_admin_codes":[489,477,477,472,477,467,477,472,477,478,472,468,477,499,477,477,477,477,467,499,477,468,472,472,472],"twin_sims":[0.3822180081014386,0.33038661648262413,0.32452915889790274,0.3066224495934797,0.30504778641785074,0.29758296875059626,0.2894351825910752,0.28241594109622914,0.27675563499903083,0.2759708836206966,0.27143168937042195,0.27109603973208257,0.2693202813346297,0.26773499672418793,0.26670729098276535,0.259352288883692,0.24906707331876818,0.2475899853150519,0.2444910743570812,0.24302816146869063,0.24286209526395894,0.2336269300431416,0.22829428565340293,0.22122911135325385,0.21853686977899744],"twin_dists":[0.18012464257627733,0.1932898695125472,0.19484462009777115,0.19969764818006303,0.20013206227092653,0.20220938054159537,0.20451202369239507,0.20652692475467335,0.20817388254039584,0.20840383270630405,0.20974185070090798,0.2098413348538277,0.21036892662529394,0.2108417487930803,0.2111491977710285,0.21337140766297605,0.21654661873113396,0.21700944016453166,0.21798622956825833,0.2184501193252957,0.21850289284168165,0.22147539783295217,0.22322698693242946,0.22558988427346774,0.22650352894431786],"n_dims_used":45,"mean_confidence":0.9213382297092014},"coverage":{"mean_confidence":0.9213382297092014,"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}}