{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005417},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005152","490:4900005286","490:4900005153","490:4900005416","490:4900005285","490:4900005293","490:4900005292","490:4900003634","490:4900005288","490:4900003632","490:4900005294","491:4910002962","490:4900003367","490:4900005170","490:4900004193","490:4900007667","490:4900005554","490:4900005687","490:4900005019","490:4900005937","490:4900004206","491:4910002162","491:4910001403","491:4910002068","490:4900004331"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,491,491,491,490],"twin_sims":[0.8794925306000337,0.8355834187267183,0.7160994869162175,0.614196392956939,0.5103027831341705,0.4644811284816202,0.44166956835963916,0.3996098362597344,0.35075900429689916,0.3175422796762892,0.297762119117377,0.28123024893236254,0.2726312793771493,0.25838785992837465,0.25064219180883357,0.25028224743788374,0.23601254927719778,0.22624451965035447,0.22623847362360178,0.22140231502467148,0.22085076915736457,0.21635369651765768,0.2136617211945063,0.1980757570966085,0.1952583881086264],"twin_dists":[0.06581708110608465,0.07784349866793568,0.10613792114402261,0.12823296045764435,0.1506489232364122,0.16083835515420272,0.16603560607942558,0.17590842414985655,0.1879958114106693,0.19671970782300544,0.20215917180996046,0.20687025035926168,0.20938691916629723,0.21366571490737377,0.21605501315944628,0.2161671798383665,0.2207003061570281,0.2239074519857872,0.2239094651304849,0.22553136091056467,0.22571782802016932,0.2272499769376569,0.2281774072021494,0.2337095429730975,0.23474119506772403],"n_dims_used":44,"mean_confidence":0.8942126360806552},"coverage":{"mean_confidence":0.8942126360806552,"n_dims_used":44,"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}}