{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000407},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001854","496:4960008252","496:4960008370","494:4940008136","496:4960008956","494:4940008514","490:4900001035","490:4900000172","496:4960008580","490:4900001289","494:4940007512","494:4940007930","494:4940008135","494:4940008537","494:4940008486","494:4940008676","496:4960007285","494:4940008030","496:4960007012","496:4960008251","490:4900001168","490:4900002185","490:4900000671","494:4940007816","496:4960009273"],"twin_admin_codes":[490,496,496,494,496,494,490,490,496,490,494,494,494,494,494,494,496,494,496,496,490,490,490,494,496],"twin_sims":[0.5843822069094656,0.5797467889255022,0.5466317680406759,0.482406562153051,0.4758538931238149,0.46408826897570943,0.45789486812748265,0.422768408668376,0.42012441976385523,0.4197689150516818,0.41929018313176575,0.41802853430762055,0.4129029308386132,0.38210262916513893,0.3805369038683531,0.37848801420864553,0.3779319930748205,0.3757820395298482,0.3714072614255927,0.36789061307658927,0.3645024444559775,0.36319228137245385,0.3618731605254646,0.3582813671078589,0.34420939700383657],"twin_dists":[0.13461915639850247,0.13561332541420346,0.14274144290364285,0.15681697973160022,0.15828118929621746,0.1609270689648619,0.16232915136181897,0.17042093871361244,0.17104074275394127,0.17112420564387706,0.17123664632474872,0.1715332339639959,0.17274212470887426,0.1801529122909415,0.18053694712184362,0.18104064458976296,0.18117756423801565,0.18170791323060048,0.1827916928212246,0.1836674724847917,0.1845152232795404,0.18484410157738573,0.1851758359054583,0.18608223827446718,0.18967946286904835],"n_dims_used":45,"mean_confidence":0.9152184380425348},"coverage":{"mean_confidence":0.9152184380425348,"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}}