{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000030},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000025","490:4900000286","490:4900000047","490:4900000026","490:4900000048","490:4900000046","490:4900000246","490:4900000835","490:4900001082","490:4900000947","496:4960009569","490:4900000207","490:4900000624","490:4900000239","490:4900000162","490:4900000426","496:4960004364","490:4900000144","487:4870003838","490:4900000423","490:4900000730","496:4960008383","496:4960007932","490:4900000288","490:4900000907"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,496,490,487,490,490,496,496,490,490],"twin_sims":[0.5627732583038892,0.5573859487928644,0.5415022977587266,0.5216940957448273,0.5020211647753092,0.4721108543249366,0.46917472783392544,0.45667850719281594,0.4555382880415276,0.44851102794425846,0.4386398614123118,0.4354360544900063,0.4314634501330757,0.41284493631183605,0.4077372320063696,0.4068853543326825,0.4030535687372444,0.4005002576495015,0.39678930657909683,0.3957443793356813,0.39534322743289735,0.3839150179396485,0.3803039198686856,0.3721232359520006,0.3708237619906932],"twin_dists":[0.13926015239317371,0.1404203740773307,0.14385122047457824,0.14815643956724026,0.1524698823459498,0.15912051944200592,0.1597804626905777,0.16260530837556483,0.16286442040448587,0.164466643967029,0.1667334074014295,0.16747337304034127,0.16839392765512792,0.1727558398960681,0.17396709159305926,0.17416975653929012,0.1750836996036153,0.17569487356856825,0.17658631029187985,0.17683800832834848,0.17693471749670306,0.1797093191582681,0.18059415753581462,0.18261389295900723,0.18293672033716585],"n_dims_used":45,"mean_confidence":0.9178966098361545},"coverage":{"mean_confidence":0.9178966098361545,"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}}