{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001435},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001441","480:4800001889","480:4800001434","480:4800001502","480:4800001382","480:4800001716","480:4800001257","480:4800001377","480:4800001320","480:4800001383","480:4800002057","480:4800001943","480:4800001387","480:4800001258","480:4800002451","480:4800001279","480:4800001393","480:4800001830","480:4800001620","480:4800002434","480:4800002308","480:4800002398","480:4800001660","480:4800002543","480:4800001822"],"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":[0.5110155150291728,0.4856720325516353,0.46119230859018284,0.30282713739501005,0.29700240885681295,0.2857536360061624,0.27678378384671815,0.27555855856860545,0.2612672902370009,0.2526792034372047,0.24671893091019065,0.23840583680402613,0.23828368507954006,0.22234389416042377,0.21921762731804087,0.2145354816205143,0.20867313935982187,0.2060137024481988,0.1965438022627028,0.1950283908092078,0.1898551810990618,0.18730372673913662,0.18378956188554027,0.18161833038567846,0.17509369432581948],"twin_dists":[0.15049257167118968,0.15608965275516337,0.16158183563194758,0.20074690216994917,0.20237221057411448,0.205565119578487,0.2081656416884824,0.20852481367290163,0.2127890563297057,0.21542216380340615,0.21728320174463295,0.21992785240709434,0.2199671551315601,0.2252137470226928,0.22627179634893355,0.227875522169309,0.22991718142271977,0.2308562464106711,0.23426923749732692,0.2348258688585624,0.23674902203064835,0.237711028721233,0.2390511924587645,0.23988825978360598,0.2424471140492092],"n_dims_used":43,"mean_confidence":0.9200364046318587},"coverage":{"mean_confidence":0.9200364046318587,"n_dims_used":43,"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}}