{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012726},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012728","490:4900012444","490:4900012377","490:4900012512","490:4900013223","490:4900012669","490:4900012597","490:4900012515","490:4900013193","490:4900012591","490:4900012661","490:4900012381","490:4900013114","490:4900012656","490:4900012521","490:4900012594","497:4970001943","490:4900012373","490:4900012795","490:4900012298","490:4900012453","490:4900013118","490:4900012793","490:4900013123","490:4900000534"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,490,490,490,490,490,490],"twin_sims":[0.5720337353203004,0.3321494767185491,0.30511722130363406,0.26633104006483227,0.2415173471883197,0.18141766173105697,0.16393202676117516,0.15821035112306417,0.12216286035239324,0.1155005051138781,0.10398950730125235,0.09718871060989989,0.09195484996160953,0.08588291206143094,0.07913873098377518,0.07715233986507454,0.07711060393251014,0.07549604074839618,0.07134453745692991,0.06967162697555805,0.06476399376714871,0.06274525814576415,0.05978558966927434,0.05936650151687963,0.05911470532112859],"twin_dists":[0.13726907732274554,0.19282492555863892,0.20011287945934134,0.21126194127320813,0.2189310976121948,0.2399659789703214,0.24698722708886972,0.2494016131921323,0.2663155583141363,0.26984408095294776,0.27632855256500255,0.2804267012334441,0.283736824431351,0.287769182281703,0.29252352899077694,0.2939856618771454,0.29401670583796036,0.2952281675067228,0.2984421050630152,0.29978014569062733,0.30386219980246304,0.30561496718151665,0.30827020028869495,0.3086548636075977,0.30888705258105675],"n_dims_used":45,"mean_confidence":0.912442864312066},"coverage":{"mean_confidence":0.912442864312066,"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}}