{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007063},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005831","490:4900005840","490:4900007670","490:4900006209","490:4900004639","490:4900005175","490:4900004625","490:4900007062","490:4900005040","490:4900005057","490:4900007551","490:4900004641","490:4900004780","490:4900005036","490:4900005709","490:4900007187","490:4900006666","490:4900007165","490:4900004911","490:4900005305","490:4900005173","490:4900007531","490:4900006084","490:4900006208","490:4900005837"],"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":[0.195837390900005,0.1360582698444373,0.1180542976920094,0.11592166220550768,0.11384671055265252,0.09074551465022297,0.06813988574830884,0.05981497602110098,0.051345516459779306,0.04441144108172462,0.0429951329474298,0.04189704151638049,0.03645368082903402,0.035430076449959824,0.03531284101885226,0.0322852078163632,0.030293509318301035,0.02839751654041371,0.02806706099893718,0.02717956568218429,0.026452092763202522,0.025619867400687942,0.025394210787941195,0.023018237571107814,0.019701057462337773],"twin_dists":[0.2345283404048445,0.2594027602036019,0.2684735678488153,0.2696164728964158,0.27074406907321197,0.2845227376511904,0.301028360690944,0.30824331111023956,0.3164877727649146,0.32412770153365955,0.3258099403829629,0.32714659277552427,0.3342452006776529,0.3356794097776367,0.3358459126023132,0.3403180528613325,0.34345954848541976,0.3466190983654712,0.3471882273668967,0.348745760532986,0.35005547390414704,0.351592433502822,0.3520166007497477,0.35669258633281214,0.36397695068333435],"n_dims_used":45,"mean_confidence":0.9080327351888021},"coverage":{"mean_confidence":0.9080327351888021,"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}}