{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000987},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000531","490:4900000984","490:4900000530","490:4900000644","494:4940007943","494:4940007935","490:4900000858","490:4900000536","490:4900000983","490:4900000539","490:4900000635","490:4900013195","490:4900000739","490:4900000444","490:4900000261","494:4940006979","490:4900000442","490:4900000993","494:4940004564","494:4940007936","490:4900000651","494:4940007642","494:4940006780","490:4900000988","490:4900000441"],"twin_admin_codes":[490,490,490,490,494,494,490,490,490,490,490,490,490,490,490,494,490,490,494,494,490,494,494,490,490],"twin_sims":[0.33244828712553326,0.27507020105448693,0.1982766774429646,0.1385428496103013,0.1281609538367989,0.12564400921871585,0.09379387642217307,0.09026719849412973,0.08946435087196611,0.08750237218109054,0.08741346179502249,0.07658135051385609,0.0725540019924182,0.0694797478319598,0.06352108948411776,0.06147550965445549,0.05878468812626919,0.05362325154030124,0.05352523295381113,0.051599274044380895,0.050904007015022845,0.04837728685701447,0.04758512492430533,0.0444797025346786,0.04250931097988384],"twin_dists":[0.19274624997076925,0.20866824687858604,0.23363635972695673,0.258223379613228,0.2632622397829627,0.2645299864601922,0.28255720470844076,0.28483587060556803,0.2853644277399656,0.2866721164708382,0.28673192599422453,0.294411552451904,0.29749049830690316,0.2999352782688417,0.3049359653431937,0.30674123632057515,0.3091926075590802,0.3141659556746764,0.3142641696322501,0.3162249175027352,0.31694769743949414,0.3196456177535954,0.32051566124231845,0.3240477674109514,0.3263977205432099],"n_dims_used":45,"mean_confidence":0.9122263590494791},"coverage":{"mean_confidence":0.9122263590494791,"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}}