{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010906},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010742","490:4900010750","490:4900010229","490:4900009730","490:4900011063","490:4900007998","490:4900008012","490:4900007788","490:4900008453","490:4900010649","490:4900010984","490:4900010745","490:4900008438","490:4900011220","490:4900008891","490:4900010827","490:4900011221","490:4900008659","490:4900007999","490:4900010834","490:4900010594","490:4900010767","490:4900010982","490:4900007773","490:4900010420"],"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":[0.5531394297307234,0.5271942591363539,0.4930212477752354,0.45396130997398637,0.39887440726530415,0.3847388778814435,0.31635821609936354,0.3157415851134366,0.24530230205708778,0.23473206216658915,0.22909260001051046,0.22409837685248946,0.21047237090455742,0.18855755360799617,0.17822669657200652,0.17475738857198542,0.1588218787221184,0.1479085475471829,0.13897112069762202,0.12170558770407901,0.11003010668764561,0.10901454540910333,0.10595081752907999,0.0994348567191705,0.09927666621176523],"twin_dists":[0.14133604741283315,0.14695758045221977,0.15445817290813915,0.1632231745951895,0.1760849660088972,0.1795080055514364,0.1970397676022929,0.19720671501183426,0.2177297608236009,0.22111569723644603,0.22296306318156456,0.2246243098725473,0.2292864750025913,0.23723714361740383,0.2412101035161601,0.24258083274423492,0.249140566039056,0.2539144954809748,0.2580216888461806,0.26655297308172327,0.27286016277284053,0.2734327724593065,0.27518563723967937,0.27904902311378615,0.2791452463078703],"n_dims_used":45,"mean_confidence":0.8864535861545139},"coverage":{"mean_confidence":0.8864535861545139,"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}}