{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000688},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700000466","481:4810002408","470:4700001755","472:4720000260","470:4700000572","479:4790001471","479:4790000297","481:4810001634","481:4810003706","479:4790004295","470:4700002413","472:4720002153","470:4700000911","472:4720000515","470:4700000306","499:4990002236","493:4930002753","470:4700000799","499:4990000286","470:4700005449","481:4810001534","499:4990002015","481:4810000282","481:4810001650","481:4810001128"],"twin_admin_codes":[470,481,470,472,470,479,479,481,481,479,470,472,470,472,470,499,493,470,499,470,481,499,481,481,481],"twin_sims":[0.4399072653605582,0.39918417951929747,0.3946896075651904,0.38856587215116384,0.3337999317320561,0.33254455959141604,0.3289202962977685,0.3143829613674197,0.30641712388126385,0.2945464349950846,0.2863541349418895,0.28201992758733374,0.27836014782675284,0.2750003762348808,0.27462546615961847,0.27438550595714234,0.25400188233873955,0.2523912963275658,0.24787775313418953,0.246006880151167,0.24421335992577764,0.24322211156977974,0.2429936779678812,0.24261052956680396,0.2418612942865863],"twin_dists":[0.16644127078768053,0.1760105862258185,0.1770923883329554,0.17857553741291968,0.19239084836955703,0.19272091003996347,0.19367764029283185,0.19757520348442958,0.19975421972914287,0.203063120953452,0.20539279592708187,0.2066414961048363,0.2077049593777393,0.20868876754099322,0.20879900367129606,0.20886960844538519,0.21501297788208174,0.21551141165790472,0.21691913422258058,0.21750745224791843,0.21807415474818925,0.21838851420374616,0.21846107578071994,0.2185828813737125,0.21882142876236801],"n_dims_used":43,"mean_confidence":0.9057934783225836},"coverage":{"mean_confidence":0.9057934783225836,"n_dims_used":43,"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}}