{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000002155},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000002029","500:5000002271","500:5000002394","500:5000002146","500:5000001912","500:5000001198","500:5000000967","500:5000001728","500:5000002162","500:5000002040","500:5000000959","500:5000000663","500:5000000901","500:5000001514","500:5000001090","500:5000001263","500:5000001359","500:5000002272","500:5000001306","500:5000001461","500:5000002036","500:5000001409","500:5000001036","500:5000001727","500:5000001585"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500],"twin_sims":[0.8507874587627898,0.7665372248089524,0.6722490930973768,0.5914260795636437,0.5697253144139696,0.5663297762095857,0.47945868652926577,0.44033168119514204,0.41252861750755365,0.40100613308865984,0.38964119474748593,0.38954521195668235,0.384892666386269,0.38085136008816156,0.377515377845393,0.3697786468592184,0.3620504719508307,0.3570024745565797,0.3562552781294743,0.34639806056551914,0.33163717489416583,0.3292122753371717,0.32860161380222075,0.32246022473271024,0.3146514726286668],"twin_dists":[0.07383291756247462,0.09470549083612631,0.11574525250365436,0.13310944795433005,0.137765055099404,0.13849501681874085,0.15747489627903455,0.16634351662714925,0.17283066122120097,0.17557364496094927,0.1783143108314747,0.17833761400770068,0.1794704494658226,0.18045975757670427,0.18128021950207732,0.18319676475627653,0.18513120972845512,0.18640609365490274,0.1865955832395641,0.1891149767251118,0.19295990263390614,0.193600350314382,0.19376204207129802,0.1953974920360302,0.1975023058412644],"n_dims_used":45,"mean_confidence":0.922770521375868},"coverage":{"mean_confidence":0.922770521375868,"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}}