{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003803},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003662","490:4900003398","490:4900003529","490:4900003261","490:4900003262","490:4900003660","490:4900002698","490:4900003792","490:4900002697","490:4900003257","490:4900004223","490:4900003949","490:4900002990","490:4900004357","490:4900002994","490:4900002991","490:4900004217","490:4900001246","490:4900002550","490:4900003127","490:4900003395","490:4900003810","490:4900003522","490:4900003535","490:4900002996"],"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":[0.5519700817911098,0.4390800246281342,0.4312327146273027,0.35020322622917605,0.33993040927077617,0.3386725502524299,0.33044346376312583,0.32820668491942573,0.29618657535766363,0.2961035425692728,0.28503806725228575,0.28257538212410965,0.2766689753095144,0.2593049227035132,0.24575156848199717,0.22082891833059687,0.2197474522087795,0.18630727982672834,0.18567343574797943,0.1843803623323298,0.18401087718230577,0.17311016347967978,0.1599439213743967,0.15911043861641194,0.15779118449849527],"twin_dists":[0.1415883814497586,0.1666319122933998,0.16844749976573176,0.18813803516737876,0.19078861547275341,0.19111608387213208,0.19327485520339296,0.19386669997446626,0.20260134468630292,0.20262468601028336,0.20577074890164596,0.2064808240246708,0.2081992562312098,0.21338584591821821,0.21758796080678947,0.22572522177694312,0.22609177556259952,0.2380892261281131,0.23833053892060205,0.23882463127578166,0.2389662620586526,0.24323845303769892,0.24866348880453673,0.24901764058864403,0.24958097090316847],"n_dims_used":45,"mean_confidence":0.9189512464735243},"coverage":{"mean_confidence":0.9189512464735243,"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}}