{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009974},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009573","490:4900009971","490:4900008944","490:4900010071","490:4900010185","490:4900011921","490:4900009890","490:4900011469","490:4900011025","490:4900011261","490:4900011190","490:4900011189","490:4900011105","490:4900011397","490:4900011403","490:4900009773","490:4900011665","490:4900008721","490:4900011534","490:4900011191","490:4900008064","490:4900012209","490:4900011729","490:4900009969","490:4900008044"],"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":[0.44980091852940784,0.4161091134349131,0.414873460474063,0.3961404700810399,0.3214287923733937,0.31950467569604735,0.2839710358806183,0.28200485471620707,0.2781838234124909,0.2553061944391936,0.25033117213999545,0.2425792126817016,0.2386017628934976,0.22772534454224944,0.22204459616828415,0.2107503685403631,0.21037763371908397,0.2056676042739175,0.1881888828517411,0.1846781160508865,0.1837933369179138,0.18215871660569138,0.17812693998527793,0.17794183989973766,0.17754602075501325],"twin_dists":[0.1641718522715623,0.1719851845072142,0.17227660747474796,0.17674256359101304,0.19567385624070852,0.1961907382496104,0.2060779540318442,0.20664585878490166,0.20775640992720515,0.2146107971260936,0.21615192776249859,0.2185928427327697,0.21986483991276642,0.22341545236289068,0.22531460880081017,0.2291893523359591,0.2293195927688272,0.23097906350340255,0.23737625330201909,0.23871064191227825,0.23904974317485,0.23967926896545938,0.24124925131508673,0.2413219320083649,0.24147753326636553],"n_dims_used":45,"mean_confidence":0.9111597696940105},"coverage":{"mean_confidence":0.9111597696940105,"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}}