{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012336},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012839","490:4900013032","490:4900012833","487:4870001381","490:4900012556","490:4900012996","490:4900013039","490:4900012268","487:4870001265","490:4900012751","487:4870001371","490:4900012333","490:4900012265","490:4900013071","490:4900012697","490:4900012211","490:4900012766","490:4900012767","490:4900012685","490:4900013072","487:4870001384","487:4870001060","490:4900013073","490:4900013104","490:4900012261"],"twin_admin_codes":[490,490,490,487,490,490,490,490,487,490,487,490,490,490,490,490,490,490,490,490,487,487,490,490,490],"twin_sims":[0.22598109282143236,0.16656373448276632,0.15530447995643393,0.11131913587112219,0.10678952481986263,0.09742437963843445,0.09507247248956595,0.0684779443775314,0.06703018727003339,0.061182640332821864,0.060922347332972145,0.05766816161413848,0.05719711500175047,0.05693396989188253,0.056570255527975476,0.053161651451942696,0.052925686305345165,0.050678040341913096,0.04960865668571439,0.049499344266116595,0.04332531949029299,0.04212039828095192,0.04068304147322796,0.04067558447345456,0.03950710606235601],"twin_dists":[0.223995198313304,0.24589718431270097,0.2506522224035155,0.2721392191692731,0.2747019143819672,0.2802809870430841,0.2817477748600203,0.3007509290596809,0.3019469942800481,0.3070037174256065,0.30723786960754795,0.3102369621436038,0.31068256700551966,0.31093281929288585,0.3112802901906639,0.31462978352732174,0.3148681792065254,0.31718437446971054,0.31831650942680323,0.31843337854670034,0.3254136392209967,0.3268723418818796,0.3286591337729809,0.32866854153432695,0.33016101089922784],"n_dims_used":45,"mean_confidence":0.9010192023383247},"coverage":{"mean_confidence":0.9010192023383247,"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}}