{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012209},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011544","490:4900012212","490:4900011412","490:4900011611","490:4900011729","490:4900011673","490:4900011657","490:4900011804","490:4900011041","490:4900011920","490:4900011266","490:4900011854","490:4900012189","490:4900011528","490:4900011789","490:4900012064","490:4900011480","490:4900010949","490:4900011612","490:4900011191","490:4900011734","490:4900011403","490:4900011601","490:4900012196","490:4900011720"],"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":[0.5945892661629384,0.5707744279824514,0.5493347334216007,0.531872346229104,0.5254794648984229,0.5201735667232721,0.48649582363034377,0.48626298946614904,0.4781153977792927,0.47349475959532933,0.46464334243078864,0.45245239136419196,0.43682941723741653,0.4340244892224324,0.41627243035988126,0.4160106762654823,0.411596317964435,0.40801333446871924,0.40431819446211914,0.4032976840010634,0.3897182648316646,0.3834412464598221,0.3833695665214924,0.38332058799870683,0.36971254216674215],"twin_dists":[0.1324317889033052,0.13753962000154518,0.14215737799286884,0.14594006818966268,0.14733104795679072,0.14848837482581007,0.15590640675423503,0.15595818927026825,0.15777512334351243,0.15880994037793336,0.16080173233142023,0.16356687386946767,0.16715129166083195,0.16780008120021914,0.17194669485309952,0.17200838678519417,0.173051330732929,0.17390144601991755,0.17478163796307974,0.17502535844894743,0.1782956013265028,0.17982518062953715,0.17984271601852814,0.1798546987592937,0.18321322512897295],"n_dims_used":45,"mean_confidence":0.9052567376030816},"coverage":{"mean_confidence":0.9052567376030816,"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}}