{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002548},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003137","490:4900003809","490:4900002535","490:4900001112","490:4900002549","490:4900001237","490:4900001114","490:4900002383","490:4900001110","490:4900002997","490:4900002379","490:4900001927","490:4900003798","490:4900003516","490:4900002976","490:4900001928","490:4900004086","490:4900003117","490:4900002376","490:4900001773","490:4900002380","490:4900002528","490:4900002382","490:4900002529","490:4900004504"],"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":[0.5405120016902375,0.4577340245036404,0.3929579890316639,0.3900484917654058,0.3117041543747495,0.28748618020526345,0.24680397683697566,0.24292587916030856,0.23980681481088081,0.236606035656813,0.22069027938596905,0.16711586207750398,0.16242893146973192,0.15844416317178062,0.1543545039642791,0.14456873240966134,0.13961174029072088,0.13559856952474267,0.12699243499944304,0.11846247358037047,0.11235763040698883,0.11169997883808214,0.11028519780802741,0.10761421545081888,0.10462595292425014],"twin_dists":[0.1440656935013087,0.16236565336589168,0.17751068669036277,0.1782154552102315,0.19830441555276113,0.20506852445382776,0.21725644554161647,0.21848262045264302,0.21947801731939026,0.22050827843994433,0.22577214503161702,0.24567007500558574,0.2476154916599622,0.24930171751449418,0.2510647748597651,0.2554271774997063,0.2577208587303032,0.2596227353263089,0.26384843636841543,0.2682566289207104,0.27156307259906415,0.2719274514125244,0.27271697616918217,0.2742291434945702,0.27595585112933946],"n_dims_used":45,"mean_confidence":0.916036393907335},"coverage":{"mean_confidence":0.916036393907335,"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}}