{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007911},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008024","490:4900007794","490:4900008916","490:4900008017","490:4900008703","490:4900008239","490:4900007909","490:4900008914","490:4900008578","490:4900008913","490:4900008241","490:4900009331","490:4900009352","490:4900009031","490:4900009953","490:4900009322","490:4900009128","490:4900008570","490:4900008130","490:4900009030","490:4900008917","490:4900008132","490:4900010158","490:4900008803","490:4900008471"],"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":[0.23653009338616698,0.20858432546238811,0.18489631561158884,0.1847438365221168,0.16124910122493435,0.11523070413188531,0.10818750997382094,0.09802315606710629,0.09377092690580703,0.07755929465394697,0.0712737921734659,0.06915577181068241,0.06651235089266493,0.06594343968725834,0.046434492618041355,0.04065097709242644,0.03625479221851102,0.03361506839608339,0.032448965727263857,0.031478370027993426,0.030197318396490574,0.02751316179990974,0.01957149106190057,0.019457889234801268,0.019415597046575563],"twin_dists":[0.22053283265637716,0.22994841009989264,0.23862719047294356,0.23868549951103082,0.24811159626192075,0.26999022616250734,0.2739021440667185,0.27991200445916037,0.28257181242287616,0.293683667505574,0.298498170986834,0.3001980018867541,0.30237991747537796,0.3028587208992565,0.3218012382654202,0.3286995965697816,0.3345211689983324,0.33831149003536864,0.3400671980697556,0.3415701304784881,0.3436157007565343,0.3481552421987349,0.3642826020751638,0.3645520492028893,0.3646527110800998],"n_dims_used":45,"mean_confidence":0.8973169962565104},"coverage":{"mean_confidence":0.8973169962565104,"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}}