{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003454},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003439","490:4900002450","490:4900002291","490:4900003044","490:4900002742","490:4900003443","490:4900001285","490:4900003581","490:4900004127","490:4900002905","490:4900003312","490:4900003314","490:4900001277","490:4900001980","490:4900003711","490:4900003701","490:4900007374","490:4900001539","490:4900002593","490:4900004811","494:4940008191","490:4900003182","490:4900012493","490:4900001415","490:4900003993"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.3246198759639448,0.2826942961539736,0.274314188867391,0.2739246960070638,0.27271598169655564,0.25703297482786813,0.2261961809386419,0.22113287781474955,0.21591026796675683,0.2058960283436832,0.20302779461538725,0.19871660664650895,0.19808417848543294,0.18966939208474942,0.1877801608530183,0.18471760264237985,0.18113678600188535,0.180110981684814,0.16916947196597004,0.15783225984850363,0.15565693635280958,0.1477225948258601,0.14633269849013628,0.1418827375705774,0.1328091653770188],"twin_dists":[0.1948204231370504,0.20644645149256002,0.20889059975377328,0.20900530131018547,0.20936189404078268,0.21408034723602865,0.22392354831838285,0.22562241362571342,0.22740220796338084,0.23089798864179986,0.23192051900852617,0.23347629860474875,0.23370647453575008,0.23681876584480077,0.23753069879994618,0.23869553493970957,0.24007486459719696,0.24047355065811718,0.24483006595526546,0.2495633797810383,0.2504996284160409,0.25399805023353633,0.2546250512493384,0.25666263665920336,0.26096965568822933],"n_dims_used":45,"mean_confidence":0.9197990417480468},"coverage":{"mean_confidence":0.9197990417480468,"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}}