{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001639","480:4800001697","480:4800002362","480:4800001870","480:4800002363","480:4800002032","480:4800002030","480:4800001291","480:4800001635","480:4800001869","480:4800002510","480:4800001638","480:4800001695","480:4800001922","480:4800001696","480:4800002364","480:4800001750","480:4800002042","480:4800001930","480:4800002415","480:4800002028","480:4800002283","480:4800002509","480:4800002409","480:4800001861"],"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":[0.48910493009056966,0.4749142656789639,0.4652681537379697,0.4538262787305848,0.4523509013215376,0.4485666767152293,0.44599488058277265,0.44426641204231804,0.4282819552978655,0.42164729067067874,0.41937478490895264,0.41842500330499954,0.4005177939481398,0.39976775902508405,0.39548286809018274,0.3942512977659298,0.3940422464122255,0.39273635218927316,0.3925853255728394,0.37534914163570676,0.368704188379518,0.3677219737238165,0.3667661492937579,0.36200137884909706,0.35891301801094716],"twin_dists":[0.15532665420371572,0.15849168387040752,0.16066071101281648,0.16325391467586856,0.16359000627994263,0.16445391942464357,0.16504260629314063,0.16543898010276353,0.16913363814514742,0.17068355129462728,0.1712167717811891,0.1714399912493576,0.1756906699875433,0.1758705336268641,0.1769010479823781,0.17719818812971366,0.17724866838923475,0.17756428806891034,0.17760082089767637,0.18181487923367212,0.18346449177380697,0.18370957474848973,0.18394838738438396,0.18514356448985136,0.18592250346766745],"n_dims_used":42,"mean_confidence":0.9111653282528832},"coverage":{"mean_confidence":0.9111653282528832,"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}}