{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002294","490:4900002449","490:4900004134","490:4900002295","490:4900002599","490:4900005641","490:4900004125","490:4900002752","470:4700004673","490:4900006030","490:4900001554","490:4900003869","490:4900001019","490:4900012571","490:4900002299","490:4900006281","490:4900001549","490:4900006152","490:4900006521","490:4900004133","490:4900003578","490:4900003051","490:4900012636","490:4900003730","490:4900004409"],"twin_admin_codes":[490,490,490,490,490,490,490,490,470,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6106452090161073,0.598273775221305,0.4949782094774472,0.44103797044228377,0.43785740673715984,0.35634093345579043,0.33885241339957806,0.28945643809209143,0.2839274507904678,0.2803486206284623,0.2773207793373701,0.25041284517494666,0.24751543744224472,0.23666901281892344,0.23353074483186906,0.2240009694065593,0.21067351212077726,0.2066655364538874,0.20651309722452538,0.20639176468371243,0.20631734074262756,0.1979490201737993,0.19502800314800017,0.19262644969766018,0.1893727503339651],"twin_dists":[0.12899343836530608,0.1316426166644109,0.15402495894042217,0.1661809210563594,0.1669139288293119,0.18657385059952356,0.19106921865874896,0.20450596694646903,0.20609051722839108,0.20712610087277697,0.20800852887383978,0.2161264707709418,0.21703284541093626,0.22048792010205168,0.2215067571267012,0.22465695416261477,0.22921619458064527,0.23062531761984933,0.23067927847344832,0.23072224754452947,0.2307486128021443,0.23375573203509684,0.23482601163500633,0.23571432023208125,0.23693022205059652],"n_dims_used":45,"mean_confidence":0.9141284518771702},"coverage":{"mean_confidence":0.9141284518771702,"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}}