{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011826},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011500","490:4900010924","490:4900011501","490:4900011830","490:4900011895","490:4900011704","490:4900010496","490:4900011698","490:4900010998","490:4900011773","490:4900011004","490:4900012038","490:4900011156","490:4900011899","490:4900011630","490:4900011706","490:4900011448","490:4900008212","490:4900010925","490:4900011894","490:4900011234","490:4900011760","490:4900011084","490:4900008779","490:4900011565"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4472449618244012,0.36444577464409045,0.2695541151138494,0.25781901608051494,0.24219513982337884,0.22693059176495048,0.21323407631860306,0.19480615053291767,0.15895043540631398,0.15835254142337635,0.14668636852542294,0.14617761867040582,0.14328782531090206,0.1426736896717117,0.13543586999104648,0.11298373969184036,0.11047022497037359,0.10899369698476942,0.1077403755165537,0.10747274975116777,0.10346210579769757,0.10030294110194585,0.09900456525633598,0.0859573553678767,0.08564869396976564],"twin_dists":[0.164756301310398,0.18452943621720325,0.2102993300822014,0.21383962932687622,0.21871507740548204,0.22367924204108455,0.22832546309901683,0.23490775276161147,0.24908578129681427,0.2493408498947976,0.25446508970348725,0.25469528256560625,0.2560142019521575,0.25629703566886813,0.2597007240160095,0.27121769547919505,0.2726132777106273,0.27344457072244055,0.2741570677763003,0.2743100413761787,0.2766387467965609,0.2785231135834246,0.279311039705486,0.2877183929528981,0.28792920779275066],"n_dims_used":45,"mean_confidence":0.8908272637261285},"coverage":{"mean_confidence":0.8908272637261285,"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}}