{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000032},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000126","495:4950000442","495:4950000202","495:4950000244","495:4950000492","495:4950000296","495:4950000393","480:4800000051","480:4800000152","480:4800000122","495:4950000389","480:4800000060","495:4950000638","495:4950000494","495:4950000345","495:4950000444","480:4800000061","495:4950000291","495:4950000808","480:4800000039","495:4950000493","480:4800000098","495:4950000443","480:4800000153","495:4950000445"],"twin_admin_codes":[480,495,495,495,495,495,495,480,480,480,495,480,495,495,495,495,480,495,495,480,495,480,495,480,495],"twin_sims":[0.3459304739450688,0.23902347417034375,0.23493916005287965,0.20125601864993845,0.16302718362333565,0.1600913821917256,0.15073418269886843,0.12514039766524823,0.12033338287946976,0.11931621015495802,0.11914859817101948,0.11734438189623932,0.11447520137872033,0.1141961174740025,0.1092739911218401,0.10549992476782591,0.1018747439403416,0.09952880608765916,0.09920788622820072,0.09648938049315084,0.09549227538137106,0.09499705846277834,0.09018505887019468,0.0748523542831056,0.07133864458745638],"twin_dists":[0.1892354146894031,0.21972932601886283,0.2210484141450378,0.23255712116390664,0.24736493151897745,0.24860097167328873,0.2526542754795013,0.2647859560943226,0.2672695273811662,0.26780472509344444,0.2678932506202326,0.26885224936677476,0.27040086966535565,0.2705530893051082,0.27328609634560297,0.275446919849061,0.2775798652179945,0.2789919328907664,0.27918712086734004,0.28086073746436957,0.2814838840968425,0.28179527777210434,0.28488977601320203,0.2957169760076691,0.2984467734648627],"n_dims_used":42,"mean_confidence":0.9008392152332124},"coverage":{"mean_confidence":0.9008392152332124,"n_dims_used":42,"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}}