{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002314},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001469","480:4800001291","480:4800002030","480:4800001860","480:4800001922","480:4800002283","480:4800001869","480:4800002094","480:4800002409","480:4800002510","480:4800002505","480:4800001751","480:4800002365","480:4800001306","480:4800002512","480:4800001870","480:4800001635","480:4800002414","480:4800001304","480:4800002509","480:4800001487","480:4800002463","480:4800001811","480:4800002187","480:4800001423"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7763102842045694,0.7757800508059852,0.7482089330550911,0.7400371525672632,0.7177861879441018,0.7022259402057538,0.6956386559429129,0.6868505945199956,0.6791002183458057,0.633424807770084,0.6275246330942251,0.6254028260544836,0.6220493000826973,0.6175192438802627,0.6078025729592933,0.5987906727596806,0.5955868834345096,0.5920171407017227,0.5811495454422482,0.5657534276401708,0.5636462524774136,0.5614490808104089,0.5608115853619132,0.5582610352340475,0.5565992304058056],"twin_dists":[0.09242155198357598,0.09254616455289758,0.09892191394503268,0.10077706021463784,0.10576338145885456,0.10920275596303039,0.11064893607708898,0.11257031581088926,0.11425804480504605,0.1241119061723035,0.12537730166993366,0.12583213481769143,0.126550799876865,0.12752127793585696,0.129602136151107,0.13153191585875237,0.13221809664379774,0.13298281099943615,0.13531240857497864,0.1386189695634053,0.13907228338995375,0.13954518909608424,0.13968244552001688,0.14023180802527488,0.1405899348516101],"n_dims_used":42,"mean_confidence":0.9107151939755395},"coverage":{"mean_confidence":0.9107151939755395,"n_dims_used":42,"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}}