{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001401},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001805","491:4910001864","491:4910001964","491:4910001009","490:4900002221","490:4900003378","490:4900004205","491:4910001689","490:4900003376","491:4910001337","490:4900002068","490:4900003776","490:4900002674","491:4910001861","490:4900002673","490:4900002222","490:4900002521","490:4900002819","491:4910001511","490:4900002670","490:4900002520","490:4900002371","490:4900002970","490:4900004064","491:4910001402"],"twin_admin_codes":[491,491,491,491,490,490,490,491,490,491,490,490,490,491,490,490,490,490,491,490,490,490,490,490,491],"twin_sims":[0.49415656192551355,0.28767202228541566,0.2771457866071363,0.27183270613187854,0.24574809483539875,0.1828855504844056,0.17988444428493508,0.1758966142243652,0.16133995801386444,0.1558907448257035,0.15306445688540798,0.15156343204815245,0.148974134467611,0.1403230438532992,0.13844811924080905,0.13573592058209424,0.13216750083093728,0.12831868317713654,0.12227679857051478,0.1088886729404325,0.10118407895399163,0.0998561230409846,0.09406547090077776,0.0912935838171618,0.08880961740357239],"twin_dists":[0.15420678683668224,0.20501536362634765,0.20805970740055615,0.20962309159403655,0.2175890565382716,0.23939886022778842,0.24056181263794474,0.24212860344956083,0.2480732986313237,0.25039854171068543,0.2516280006053544,0.2522877385951675,0.253437181159782,0.25738804005848775,0.2582680549874218,0.25955695181762783,0.26128250031707617,0.26318342389329513,0.2662565073373241,0.27350403112547605,0.27799292600245396,0.2787933612677534,0.28238454442740446,0.2841655426175622,0.28579826456584817],"n_dims_used":45,"mean_confidence":0.8979704962836371},"coverage":{"mean_confidence":0.8979704962836371,"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}}