{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002273},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002275","491:4910002324","491:4910002279","491:4910002219","491:4910002327","491:4910002228","491:4910002274","491:4910002386","492:4920004141","492:4920004187","491:4910002176","491:4910002334","491:4910002221","492:4920004759","492:4920004195","492:4920004188","492:4920005273","491:4910000913","492:4920004004","492:4920004096","491:4910002487","491:4910000445","491:4910003161","491:4910002980","492:4920007053"],"twin_admin_codes":[491,491,491,491,491,491,491,491,492,492,491,491,491,492,492,492,492,491,492,492,491,491,491,491,492],"twin_sims":[0.681360976938501,0.5066568973512082,0.474509516412711,0.37422622058173083,0.34930007439779803,0.33480439457082245,0.3252452976766765,0.3240321529718822,0.24949251341033873,0.24775534461970905,0.2390274598607032,0.21627718498734205,0.20446385859623842,0.19811848020409595,0.19390817705519392,0.19261258117134167,0.17315562813200627,0.17057726425344244,0.16039087402078958,0.15890559456068223,0.15069823292682852,0.14495050109325286,0.144594533431965,0.13998406694385843,0.13651162918669998],"twin_dists":[0.11376635092681953,0.1514496055921398,0.1585823975807896,0.1820926272179427,0.18836940426985768,0.1921272419846468,0.19465370651851757,0.19497725325046797,0.21641364033333105,0.21695753966013476,0.21972804598837317,0.2272762286799734,0.23140733141649641,0.23369397721109805,0.23523927122890795,0.2357194723643907,0.24322024236449383,0.24425844782654083,0.24847412859008447,0.24910488666615305,0.2526701991630917,0.2552529639838852,0.2554153929119076,0.25754648992612306,0.2591863641403547],"n_dims_used":45,"mean_confidence":0.8988205803765191},"coverage":{"mean_confidence":0.8988205803765191,"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}}