{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001683},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001859","491:4910001684","490:4900005563","491:4910001742","491:4910001801","490:4900004064","490:4900005568","491:4910000991","490:4900005682","490:4900006324","491:4910001964","491:4910001744","491:4910001401","491:4910001009","491:4910001510","490:4900002673","491:4910001864","491:4910001689","490:4900004615","491:4910001070","490:4900003376","491:4910001623","490:4900004062","491:4910001799","491:4910001807"],"twin_admin_codes":[491,491,490,491,491,490,490,491,490,490,491,491,491,491,491,490,491,491,490,491,490,491,490,491,491],"twin_sims":[0.0399022816165149,0.025240427592893862,0.023270122984930232,0.011730100179127147,0.010286358306049572,0.008883574439304565,0.008240391991579303,0.007703599284729443,0.00708665323322955,0.005548752652121335,0.005131381769063356,0.004890474855768782,0.004825942943152879,0.004760247768661398,0.0045596151426767345,0.0045336576928533085,0.00394862214970995,0.0036694846666671718,0.0035220969001326682,0.00321810425771706,0.003177257750340005,0.003154406652937464,0.0031220929297233187,0.0031037090201436134,0.002848765248406632],"twin_dists":[0.3296521389334516,0.3523075368503553,0.3561775560505398,0.3872611163201831,0.3929400507493898,0.3991840325057556,0.40234719432356497,0.40516126068347497,0.40862163280804614,0.41859827139570877,0.421737489541902,0.4236563057406668,0.42418483366717713,0.42472950938814674,0.426436191764255,0.4266619541918765,0.43208945573805635,0.4349420393498465,0.43652895042812684,0.44000291129796354,0.44049232528075727,0.44076863375961445,0.4411624978110752,0.44138823953529693,0.4446516152256367],"n_dims_used":45,"mean_confidence":0.8954399108886719},"coverage":{"mean_confidence":0.8954399108886719,"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}}