{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000644},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000539","490:4900000257","490:4900000536","494:4940007642","494:4940008144","490:4900000984","494:4940007111","490:4900012460","494:4940008256","490:4900000530","490:4900000858","490:4900000987","490:4900000757","494:4940008350","490:4900000993","490:4900000261","494:4940008158","494:4940007632","490:4900000441","490:4900000455","494:4940007841","490:4900000541","494:4940008046","490:4900012929","494:4940007943"],"twin_admin_codes":[490,490,490,494,494,490,494,490,494,490,490,490,490,494,490,490,494,494,490,490,494,490,494,490,494],"twin_sims":[0.38337024388287555,0.2928061638609779,0.2923525105994121,0.20363788651382572,0.16453065500308403,0.16007518931921838,0.1562760750349499,0.15388083063241625,0.15062432983027588,0.14184466957606137,0.1416129104620736,0.1385428496103013,0.13794326244215768,0.13002687697045723,0.12428574336753291,0.10807906153751881,0.09491271104766348,0.08292036282639398,0.07946732341599204,0.07392671194747202,0.0738559833753701,0.07193859308589166,0.06823840886753943,0.06708061428809908,0.06534155956556048],"twin_dists":[0.17984255030519386,0.20355475336958442,0.20368319621518374,0.2317021952301804,0.24673817289361058,0.2486078347172846,0.25023218638082,0.2512711751374823,0.2527029427700085,0.256680270983727,0.25678770533461903,0.258223379613228,0.25850653430936643,0.26233451202195235,0.26522214577618985,0.27396389837136575,0.28184844297923356,0.2898194865844222,0.29228450980275883,0.29642588122586666,0.29648034315421096,0.297973082720457,0.3009473911533576,0.3019049819526383,0.30336895544665676],"n_dims_used":45,"mean_confidence":0.9096774631076389},"coverage":{"mean_confidence":0.9096774631076389,"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}}