{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000170},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000016","491:4910000573","491:4910000173","491:4910000424","491:4910000574","491:4910000698","491:4910000033","491:4910000377","491:4910000260","491:4910000522","491:4910000229","491:4910000520","491:4910000200","491:4910000524","491:4910000015","491:4910000376","491:4910000172","491:4910000084","491:4910000578","491:4910000884","491:4910000211","492:4920006542","492:4920006545","491:4910000466","491:4910000098"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,492,491,491],"twin_sims":[0.220736490819021,0.204392183780776,0.16959678241444973,0.1261392000076428,0.12545720025757784,0.11813217792583952,0.09320681195429112,0.09235111623425225,0.08785975336453877,0.08608686907761463,0.06972200850703009,0.0644923100617999,0.06023571348614781,0.057272770025442926,0.04633661570707584,0.04456472907858047,0.043735624338071294,0.04320985468610627,0.03796009895314559,0.033209423141840014,0.028990424279256622,0.028213747647094698,0.02294205677104739,0.021559312324048636,0.020776519331823274],"twin_dists":[0.22575650228015942,0.23143288623270858,0.24465620151304418,0.2642790549706849,0.264624844446078,0.2684321314593505,0.28293177002315884,0.2834810800285712,0.2864321942396727,0.28763011496619934,0.29973947020704494,0.30409546333326615,0.3078595130376831,0.31061079459070096,0.3219118199075342,0.3239483452552281,0.32492470006501123,0.3255519343459744,0.3321954657675229,0.33891625832341654,0.34561207752317163,0.34693488815470747,0.3568493160418701,0.3597756515911607,0.36150543398881835],"n_dims_used":45,"mean_confidence":0.8906578911675347},"coverage":{"mean_confidence":0.8906578911675347,"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}}