{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001681","488:4880006201","485:4850000154","477:4770003807","499:4990001392","470:4700001289","499:4990002228","470:4700008090","499:4990002886","466:4660009939","496:4960004931","496:4960005533","499:4990003357","485:4850000153","496:4960004771","479:4790001098","499:4990002477","488:4880000867","470:4700000473","478:4780003616","488:4880005287","499:4990003233","499:4990001199","500:5000002960","479:4790000233"],"twin_admin_codes":[499,488,485,477,499,470,499,470,499,466,496,496,499,485,496,479,499,488,470,478,488,499,499,500,479],"twin_sims":[0.4836372379940634,0.42532034014548553,0.3939685847386759,0.3932874432712599,0.37283383848336776,0.35706946113269644,0.3542146339632091,0.3470291862084256,0.32679269213781986,0.3187462972420341,0.31863649597221555,0.31687144376824694,0.31177166150431906,0.3104171624521455,0.3073431239852776,0.3051447503268394,0.30359748906089257,0.2924401751883247,0.2907534111509914,0.28684899972494127,0.2868147912564462,0.2792480732581252,0.2791004337383399,0.276424146483142,0.2753802987572385],"twin_dists":[0.15654268865625712,0.16982425428656656,0.1772664586497745,0.17743103635274496,0.18243759422456635,0.18638911578593662,0.18711413972717048,0.1889525515478945,0.1942419850575024,0.1963949439831638,0.19642453239827565,0.19690095601716734,0.19828599530336702,0.19865602603327853,0.19949926000412438,0.2001052747014307,0.20053331637644262,0.20365836652903,0.20413689558474493,0.20525094879107658,0.20526074951914086,0.20744616838568192,0.20748916403788423,0.20827096760602934,0.20857715147749845],"n_dims_used":45,"mean_confidence":0.9244539896647136},"coverage":{"mean_confidence":0.9244539896647136,"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}}