{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001001},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001125","489:4890000602","489:4890000942","489:4890000769","489:4890000714","489:4890001122","489:4890000830","489:4890000633","489:4890000521","489:4890000578","489:4890000548","489:4890000605","489:4890000771","489:4890001006","489:4890000885","489:4890000882","489:4890000687","489:4890000713","489:4890000551","489:4890000606","489:4890000427","489:4890000579","489:4890000502","489:4890000392","489:4890000361"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9028585261878324,0.8101750424288662,0.8031292348566171,0.7803825243547761,0.7341701544228594,0.7226613517968272,0.7026054364307451,0.7005175898574123,0.6979167257091827,0.6959346431782631,0.691186960769183,0.6853423258576531,0.6701798099880755,0.6627732194100463,0.6613815979806394,0.6607366796997465,0.6408473718207792,0.6381258560189927,0.6380810755031946,0.6355603906106227,0.6332879860808623,0.6289319290896166,0.6235123407922286,0.6226549101005913,0.6199381678102753],"twin_dists":[0.058714016036071515,0.08426941970314208,0.08599998629924754,0.09146171623127206,0.10210058831174776,0.104678282403103,0.1091192738572611,0.109578331060636,0.11014941360010835,0.11058406894955292,0.11162331412869536,0.11289923067522382,0.11619364986539503,0.11779585920635402,0.11809645050425564,0.11823570822237191,0.12251838465232691,0.12310289439856961,0.1231125096458116,0.12365363022600953,0.124141261685505,0.1250755707469852,0.12623729633634428,0.1264210334215169,0.12700310970191886],"n_dims_used":45,"mean_confidence":0.9194290161132812},"coverage":{"mean_confidence":0.9194290161132812,"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}}