{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008891},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008004","490:4900011221","490:4900008438","490:4900008006","490:4900008659","490:4900010037","490:4900010745","490:4900010229","490:4900010661","490:4900007773","490:4900007998","490:4900011063","490:4900007892","490:4900010750","490:4900011220","490:4900008102","490:4900008227","490:4900009730","490:4900011623","490:4900010906","490:4900011297","490:4900007788","490:4900007999","490:4900010827","490:4900008453"],"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":[0.4294981350244127,0.4184489618950111,0.3918961025713946,0.3500978981021771,0.3095350141455656,0.3083760748734496,0.3080861766584947,0.30090599448234595,0.2993705396891012,0.2942434122555994,0.2934003579134095,0.2613616226156896,0.25709219035532155,0.2550807769095701,0.23525090290173833,0.23302413800144184,0.206462955122806,0.20011132612683624,0.18266405562014873,0.17822669657200652,0.17469101519168687,0.16761761406410364,0.16333141008444355,0.16277887888737771,0.15677477907556395],"twin_dists":[0.16885060759524856,0.17143435780659622,0.17776762473172006,0.18816500197277616,0.19889751415142498,0.19921537471230666,0.199294991957241,0.2012809346692133,0.20170918716054792,0.2031486020681123,0.20338669754940508,0.21276043927314356,0.21406219684273073,0.21468021063944087,0.22094720661310072,0.2216720663768824,0.23069703385695497,0.23297046384430456,0.2394842283201537,0.2412101035161601,0.24260724517934987,0.24546415537146657,0.247237770717339,0.24746884556925158,0.2500173294498488],"n_dims_used":45,"mean_confidence":0.8870513068305121},"coverage":{"mean_confidence":0.8870513068305121,"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}}