{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004090},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004503","490:4900004229","490:4900003949","490:4900002697","490:4900003670","490:4900004217","490:4900004365","490:4900002995","490:4900003535","490:4900004354","490:4900003139","490:4900001509","490:4900002550","490:4900002698","490:4900004369","490:4900002989","490:4900003810","490:4900002990","490:4900003655","490:4900002696","490:4900001376","490:4900003271","490:4900003131","490:4900003660","490:4900003951"],"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":[0.3750096591695237,0.2609020557366494,0.14530596512798366,0.11489310196223464,0.10146907212757732,0.09861271838239931,0.08958242878911983,0.0857390663191324,0.069922818202059,0.06889822072171829,0.0647230411445777,0.05451163353152028,0.05152403495972387,0.04939829090770697,0.0493690389789284,0.045841609244332504,0.0444346739357527,0.04177240973926709,0.04166951266399024,0.040663701021142216,0.04035255121276552,0.03813315614155321,0.03734235806204722,0.03554376011787817,0.03369070145145786],"twin_dists":[0.18189880521724264,0.21289991655984178,0.25509105959194006,0.270173468694674,0.2778222161086187,0.27955042394272617,0.28528645560564775,0.2878674211817146,0.2995775835062878,0.30040757388155853,0.3038973098459767,0.3132825233072104,0.3163027417453341,0.31854160920502916,0.3185729731978067,0.3224740943558244,0.3241004843048519,0.32730015894635095,0.32742723570257937,0.3286835367225309,0.32907748488009897,0.3319644299757247,0.3330275118642097,0.3355183981201391,0.33819941925112323],"n_dims_used":45,"mean_confidence":0.918495602077908},"coverage":{"mean_confidence":0.918495602077908,"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}}