{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001646},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001118","490:4900003267","490:4900003528","490:4900001516","490:4900003399","490:4900001506","490:4900002091","490:4900002550","490:4900003523","490:4900003661","490:4900003126","490:4900003131","490:4900001511","490:4900003403","490:4900004493","490:4900001376","490:4900002989","490:4900001250","490:4900002993","490:4900003254","490:4900001378","490:4900001375","491:4910001207","490:4900003519","490:4900003536"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490],"twin_sims":[0.3127083179825364,0.26227994241124525,0.1895971457107864,0.180717455005595,0.16696040068549964,0.15146043426737424,0.14914700348897605,0.13169732601661574,0.12902336202918438,0.12609491228243347,0.12257836513142863,0.1029838589280092,0.09813727022965332,0.09587695300402528,0.09026600233002391,0.08859296773958308,0.07849898239503499,0.07361811915779712,0.0694076937838797,0.06791054630390216,0.06784864546567339,0.0675520851360972,0.06664597078838015,0.06540609880466913,0.06015291613561473],"twin_dists":[0.19803065020973185,0.2124821918402605,0.23684589949539822,0.24023764693350327,0.24573396692334895,0.2523331843665056,0.25335998459800574,0.26151246153951224,0.2628321946891894,0.2643014667370338,0.26610041595997747,0.27692109798448733,0.27984188496677975,0.2812428738433009,0.28483665532804536,0.28594237881026296,0.2929911795613231,0.2966638115056121,0.29999362322864775,0.30121720909185973,0.3012682699860273,0.301513424769003,0.3022679458138625,0.30331406006568074,0.3079348664632783],"n_dims_used":45,"mean_confidence":0.9151563008626302},"coverage":{"mean_confidence":0.9151563008626302,"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}}