{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004422},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001543","494:4940007898","490:4900003318","490:4900003565","490:4900005096","490:4900001406","490:4900003580","494:4940007481","490:4900005505","494:4940007891","490:4900002434","490:4900003857","490:4900002284","494:4940007188","490:4900004137","490:4900003997","494:4940007689","490:4900002282","490:4900003850","494:4940006833","490:4900003448","490:4900004001","490:4900002607","490:4900003039","494:4940007372"],"twin_admin_codes":[490,494,490,490,490,490,490,494,490,494,490,490,490,494,490,490,494,490,490,494,490,490,490,490,494],"twin_sims":[0.5534186473637873,0.4616801854310654,0.4606892271703385,0.40137047889139765,0.3721469063476913,0.3678809036560894,0.2921378353376465,0.2892604033212432,0.26832640039432437,0.26254917819697576,0.25483712514837026,0.25172677390307524,0.24317425402027013,0.23665278349076288,0.2279180302672172,0.22738738762727417,0.22656203797570218,0.22155879625624897,0.2194014184069867,0.21032843461798145,0.20604414399659746,0.20469331914032932,0.20202188264667595,0.1962114682135582,0.19175961363845076],"twin_dists":[0.14127580727647127,0.16147142723784633,0.16169572818369252,0.17548637558927166,0.18260801771672525,0.18366989626319566,0.20374401844348317,0.2045618370388068,0.21066515613330744,0.2124007301707747,0.2147552828277749,0.21571765374064392,0.2184037124305164,0.22049316614399656,0.22335158910587397,0.22352755039086142,0.22380177807152726,0.2254785141578723,0.22620931588884272,0.22933679554862732,0.23084545061232017,0.2313255611897283,0.23228147417353018,0.23439105296790425,0.23603684626373958],"n_dims_used":45,"mean_confidence":0.9201577928331163},"coverage":{"mean_confidence":0.9201577928331163,"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}}