{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010028},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010304","490:4900010392","490:4900009823","490:4900010221","490:4900010482","490:4900011624","490:4900011428","490:4900008789","490:4900008008","490:4900010303","490:4900011755","490:4900010026","490:4900010307","490:4900010025","490:4900010662","490:4900012158","490:4900008791","490:4900009928","490:4900008545","490:4900010393","490:4900007786","490:4900010130","490:4900010910","490:4900010311","490:4900012159"],"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":[0.7444948834916519,0.7029082690167998,0.6964594082904655,0.640832298409922,0.6204722413280827,0.6094788260753143,0.605960405386722,0.6011042713601216,0.5720761548837223,0.5522211145033518,0.4989256322333779,0.4651183823354293,0.4489749539413805,0.443864181098983,0.4248492576368607,0.3624590262708794,0.35557517405712247,0.3466134881394815,0.31887307324517056,0.3138966757879477,0.3000914011021173,0.2931082243500241,0.28849989121716113,0.26792315954143425,0.2595253606482118],"twin_dists":[0.09976682187275795,0.10905264285228841,0.1104690382196964,0.12252162284531293,0.1268886916167482,0.12924320080718535,0.1299965940886691,0.13103645357043275,0.137259965236053,0.14153420391819932,0.15315261100449748,0.16069450876432864,0.1643605816794382,0.16553130468620045,0.16993428875532635,0.1850284259936917,0.18676823634611342,0.18905951718270952,0.19636078847821242,0.19770731435968067,0.20150797276425256,0.2034692964155418,0.2047787979586917,0.2107855373056832,0.21331866568443303],"n_dims_used":44,"mean_confidence":0.8836898803710938},"coverage":{"mean_confidence":0.8836898803710938,"n_dims_used":44,"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}}