{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004132","490:4900003448","490:4900003997","490:4900001532","490:4900002282","490:4900004137","490:4900003857","490:4900002284","494:4940008777","490:4900001543","490:4900001963","490:4900001987","490:4900004422","490:4900002135","490:4900001406","494:4940007074","490:4900003565","490:4900002891","490:4900002435","490:4900003441","490:4900002130","494:4940005892","494:4940007155","494:4940006833","490:4900003039"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,494,494,494,490],"twin_sims":[0.4577427186750979,0.40870783897628027,0.40596856543170523,0.38997114105573205,0.38117824085974555,0.3681828280415061,0.36143173853923954,0.31570169981822654,0.30317582501884294,0.2810429509362513,0.27622867124869593,0.2694744418552541,0.25483712514837026,0.2521833787033457,0.24408173668926045,0.2412914739341622,0.24023110691243962,0.23041515930077772,0.22814158772527796,0.201615575702387,0.1907469813067751,0.18951425335931882,0.18604677285950919,0.18524873700966185,0.1851153044707883],"twin_dists":[0.16236368018433667,0.17373640876895,0.17438807470088735,0.1782342253810027,0.18037955073764353,0.18359454134506772,0.18528698237316651,0.19721751995667186,0.2006501868442461,0.20692456393592867,0.20832825098196278,0.2103230392400026,0.2147552828277749,0.21557590402519547,0.21811584957626137,0.2190031732335841,0.21934212007581397,0.2225271570182573,0.22327753856769697,0.23242762101708053,0.23641490919160024,0.23687704037615417,0.23818833462547148,0.23849255151283824,0.2385435068206663],"n_dims_used":45,"mean_confidence":0.9210653516981336},"coverage":{"mean_confidence":0.9210653516981336,"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}}