{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009405","490:4900009498","490:4900011049","490:4900008089","490:4900010298","490:4900010463","490:4900008420","490:4900008530","490:4900009402","490:4900009283","490:4900010897","490:4900010297","490:4900010467","490:4900010469","490:4900007853","490:4900008072","490:4900009590","490:4900010886","490:4900002106","490:4900011286","490:4900009385","490:4900009714","490:4900009404","490:4900010471","490:4900009480"],"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":[0.5275694584445779,0.42869629137894266,0.40234119142251906,0.3727001371021826,0.35447758770618115,0.3366955864296051,0.32797781471138354,0.323862051902269,0.2933387398595418,0.2737968323210787,0.26981332765810284,0.26150314173264383,0.22803917432839857,0.20356375874913793,0.19251939866559056,0.18610652709724126,0.18574059750453778,0.17896979584882516,0.1566471344071261,0.15288907332455356,0.15236089702317074,0.147301802213261,0.14729945987542883,0.13012440920382165,0.1297072434465229],"twin_dists":[0.1468759009151018,0.16903717652550632,0.17525404176459158,0.18247075253129452,0.18704723289862754,0.19163208892323613,0.193927383362446,0.19502267314460212,0.2034041155979909,0.20904297764608912,0.2102222236260117,0.21271751960442267,0.22331145572765174,0.23172869817223474,0.23575409619736115,0.23816559282874522,0.23830494215701264,0.24091897507338692,0.2500722750855754,0.2517048403438576,0.25193663846272946,0.2541874135779109,0.254188468784937,0.2622862967763839,0.2624927150759959],"n_dims_used":45,"mean_confidence":0.9161024305555555},"coverage":{"mean_confidence":0.9161024305555555,"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}}