{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002721","490:4900003819","490:4900001957","490:4900003005","490:4900003411","490:4900003681","494:4940008963","490:4900002421","490:4900004516","490:4900004242","490:4900002856","490:4900004522","490:4900002861","494:4940006900","490:4900001797","490:4900002558","490:4900009798","490:4900004510","494:4940008547","490:4900002403","490:4900002422","490:4900004099","490:4900000650","490:4900002863","490:4900001397"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.4238693841223604,0.40712545119184457,0.25051764353876954,0.20074987171389633,0.17846773963738205,0.16937535171695664,0.1469914096107679,0.13198492557412772,0.1314859797658067,0.12264972158387386,0.11801469915346365,0.1145772120249623,0.10631463287902364,0.10476163529161382,0.10341945290158366,0.09968363357388291,0.09962486847011488,0.08756365568043542,0.08117889994009259,0.08064865057145643,0.07778058109467594,0.07767028791766295,0.07442091788424882,0.07176665038012606,0.07086016494800829],"twin_dists":[0.17016332834932288,0.1741126175559405,0.21609381352311288,0.23273968806097464,0.24111557438355946,0.24474625808847902,0.25432735149155533,0.26137172409405546,0.2616160319295354,0.26606352454667687,0.2684946443886715,0.2703453016500069,0.27497544341552316,0.27587662417387854,0.2766638871684308,0.27889794088857084,0.2789336022821176,0.2866309195138891,0.2910521695534064,0.29143170560050047,0.2935199892167895,0.29360152256103755,0.29604650638891794,0.29810851223455526,0.2988268783643063],"n_dims_used":45,"mean_confidence":0.9212641398111979},"coverage":{"mean_confidence":0.9212641398111979,"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}}