{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002612},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002290","489:4890002289","489:4890002195","489:4890002689","489:4890001959","489:4890002043","489:4890002780","477:4770001263","477:4770001146","489:4890002029","477:4770003532","477:4770000822","477:4770001366","477:4770000892","477:4770001140","477:4770000319","478:4780004485","489:4890002037","477:4770002402","489:4890001868","500:5000001129","489:4890002770","479:4790000190","477:4770000127","499:4990003091"],"twin_admin_codes":[489,489,489,489,489,489,489,477,477,489,477,477,477,477,477,477,478,489,477,489,500,489,479,477,499],"twin_sims":[0.6914919733388477,0.5309414051535948,0.45482168537312756,0.4263922215870379,0.41541535830536447,0.3988997792768819,0.365650735004856,0.3434922002957276,0.3424234412528661,0.3132267619690714,0.30234540432669316,0.30116595509863253,0.29535011874912037,0.2926362320944434,0.28265852305063865,0.27757688526428664,0.27454450616348125,0.2743922932562719,0.27313979770510843,0.26312136872319764,0.2613974137671885,0.25567703442711814,0.25281532334322093,0.2520280886451561,0.24775922967509786],"twin_dists":[0.11155662593951321,0.14614240147369342,0.1630273873765667,0.16957407467598218,0.17214875744261246,0.17607887291535734,0.18422746857710323,0.18986485171681472,0.19014149891507282,0.1978895028613745,0.20088062684356617,0.20120855571068078,0.2028366573212094,0.20360285231413472,0.20645679091895228,0.20793366341853883,0.20882282073380484,0.20886761086176495,0.2092367502236807,0.21222777811618904,0.21274958321870083,0.21449668768401606,0.2153799907534494,0.21562409435303168,0.21695632054438185],"n_dims_used":45,"mean_confidence":0.9197036743164062},"coverage":{"mean_confidence":0.9197036743164062,"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}}