{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008454","490:4900010399","490:4900008226","490:4900008668","490:4900008449","490:4900009012","490:4900009427","490:4900008559","490:4900008566","490:4900009633","490:4900009117","490:4900008229","490:4900008233","490:4900009830","490:4900008556","490:4900010405","490:4900008337","490:4900009120","490:4900008455","490:4900008557","490:4900009010","490:4900008336","490:4900009430","490:4900008671","490:4900009121"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6601584530735538,0.6363038650867876,0.6136022284698167,0.5923533982904114,0.555570404577265,0.5121366130326187,0.5102910338493997,0.46545423434650046,0.4622260237878133,0.4587362292357522,0.45691021831503204,0.43592693907028773,0.4215046487959883,0.4065841752023903,0.3967287123296986,0.3531167629463299,0.34071992541353974,0.34024230630909497,0.3236369976153187,0.2953076568565871,0.2950523620221469,0.29275895967695614,0.28373133798985223,0.2785878938501146,0.2742004955448011],"twin_dists":[0.11836054127814152,0.12349405094854117,0.1283602058838823,0.13291076923484066,0.14081172996323993,0.1502467495230269,0.15065150113861345,0.16061872489524065,0.16134795074011185,0.16213828713763664,0.1625526812787982,0.16735985641901735,0.17071698501326735,0.1742414532396121,0.1766008976732079,0.18739376436108846,0.19058340666338208,0.19070751757096896,0.1950827868954489,0.2028486132099757,0.20292051733333394,0.20356811278583906,0.20614706020912166,0.20763853363515627,0.20892407090919785],"n_dims_used":45,"mean_confidence":0.8923973931206597},"coverage":{"mean_confidence":0.8923973931206597,"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}}