{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000089},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000340","490:4900000131","490:4900000152","490:4900000218","490:4900000402","490:4900000110","490:4900000599","490:4900000281","490:4900000502","490:4900000139","490:4900000217","490:4900000140","490:4900000497","490:4900000248","490:4900000200","490:4900000065","490:4900000499","490:4900000278","490:4900000602","490:4900000093","490:4900000205","490:4900000070","490:4900000359","490:4900000190","490:4900000409"],"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":[0.6107812699069474,0.604206784090324,0.5881840057208471,0.5700065783641035,0.5608722488444681,0.5273234303494168,0.4997283891020306,0.4995025979019094,0.49824888198021006,0.47753091498942446,0.46933282803228105,0.44669777332979166,0.44106831364372634,0.43859312076715123,0.4286002484150659,0.42823953407887133,0.3954351367024255,0.3913387933595215,0.3713642401623967,0.36240075321217363,0.35719081019487026,0.34943846242075416,0.3411882304266071,0.33908621354660484,0.3361222623362133],"twin_dists":[0.1289643026892592,0.13037209385406134,0.133804188172636,0.13770461220145405,0.1396693834188622,0.1469294589108784,0.15297544776428917,0.1530252703615688,0.15330202758997832,0.15790584088847576,0.1597448916144566,0.1648815859631736,0.16617393799054053,0.16674418745140437,0.16905953289220566,0.1691435163924748,0.17691255613878812,0.1779026031817239,0.1828023818060695,0.18504308268178415,0.18635836381878576,0.18833393175070842,0.19046180649854133,0.19100831959802334,0.19178203750679898],"n_dims_used":45,"mean_confidence":0.9151534186469183},"coverage":{"mean_confidence":0.9151534186469183,"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}}