{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001505},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003250","490:4900004492","490:4900004353","490:4900003120","490:4900003802","490:4900003388","490:4900002989","490:4900002837","490:4900003523","490:4900003263","490:4900004362","490:4900003383","490:4900003933","490:4900001118","490:4900003795","490:4900003387","491:4910001273","490:4900002997","490:4900003395","490:4900002992","490:4900001773","490:4900002977","490:4900003809","490:4900002675","490:4900004901"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.257312310035576,0.17501975207586457,0.13203822231147275,0.12991191451768802,0.10632411938344642,0.10613222943013538,0.09055571676633074,0.07607733429777207,0.06807455834559098,0.06610008771199781,0.06441482862169781,0.06081443839620893,0.05445839763253341,0.05320487647277407,0.04854681489440861,0.04371776785203873,0.04364320489955633,0.04290302749075559,0.03853485575962608,0.030989480264845472,0.030059014505871222,0.0291781178155503,0.028302569917024654,0.027455034801415867,0.027116788821578097],"twin_dists":[0.21399475020972575,0.24247649854404832,0.2613456685972964,0.2623913789991709,0.27496997008219354,0.2750807567709974,0.28464683336476265,0.2947896193488282,0.30108210144711284,0.3027265486167029,0.3041621349380341,0.3073351823846989,0.3133351253503086,0.3145862084482609,0.31946096976470056,0.3249458983213378,0.32503449412838453,0.32592094500038804,0.33143155412773473,0.34234222502305667,0.34384096632616534,0.3452969767675945,0.34678203522654394,0.3482576911286467,0.34885758278784856],"n_dims_used":45,"mean_confidence":0.9143153720431858},"coverage":{"mean_confidence":0.9143153720431858,"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}}