{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007154},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007276","478:4780006399","490:4900007029","493:4930007048","496:4960003638","496:4960003097","466:4660003093","496:4960011370","490:4900007762","496:4960000160","478:4780006389","466:4660003181","496:4960003234","466:4660004597","496:4960005155","490:4900007642","493:4930007139","496:4960005466","466:4660002630","470:4700004010","469:4690004612","466:4660001068","466:4660003237","496:4960010213","490:4900003763"],"twin_admin_codes":[490,478,490,493,496,496,466,496,490,496,478,466,496,466,496,490,493,496,466,470,469,466,466,496,490],"twin_sims":[0.35406512695137865,0.35261810572702673,0.3049091323998749,0.30420071583220676,0.2843641995320771,0.2813443404802059,0.2684783317327432,0.2332547129948761,0.2329951134581414,0.21181950603968336,0.20943639698215263,0.2047585874124731,0.186266671782587,0.18172668460024213,0.17905102218274466,0.17594022663508954,0.17437321658759902,0.17426345441304983,0.16722729001332892,0.1617509211093413,0.16078125534884563,0.15226035016035236,0.15187918545404847,0.1503410658469851,0.14756506429854174],"twin_dists":[0.18715219226781743,0.18752092006325205,0.20017037585260408,0.20036628679450938,0.20596467895200252,0.2068371762823051,0.2106198285314108,0.22159679896578816,0.22168154442635413,0.22881664110555855,0.22964917758511588,0.23130231375118382,0.2381046688356466,0.23984631931531666,0.2408872045845832,0.24211133251402056,0.24273380836884778,0.24277755936355888,0.2456243064132876,0.24790026619836503,0.24830904944840712,0.2519808317815152,0.25214855983030865,0.25282855571127594,0.2540688947457004],"n_dims_used":45,"mean_confidence":0.9162733289930556},"coverage":{"mean_confidence":0.9162733289930556,"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}}