{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000402},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000499","490:4900000599","490:4900000089","490:4900000493","490:4900000497","490:4900000409","490:4900000278","490:4900000200","490:4900000490","490:4900000334","490:4900001091","490:4900000190","490:4900000217","490:4900000397","490:4900000281","490:4900000425","487:4870002993","490:4900000357","490:4900000152","490:4900000131","490:4900000166","487:4870003120","490:4900000403","490:4900000092","487:4870005261"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,487,490,490,487],"twin_sims":[0.7082100625510074,0.595231371423403,0.5608722488444681,0.5575150063945309,0.5531034838270197,0.5309055240513989,0.47531172310828107,0.4675928051986149,0.43165769894181005,0.43104008503939023,0.4299564958771323,0.40557765134678514,0.39830921960611415,0.3867334066727323,0.38532801811407386,0.38482564460775265,0.38277674197508305,0.3826590815401789,0.362534683159802,0.35906417557546494,0.3491450076182522,0.3478526672980994,0.3403895474361323,0.3390307996368979,0.3267893721201828],"twin_dists":[0.10788412341085844,0.13229424675605672,0.1396693834188622,0.14039256171502382,0.141343802947364,0.1461502014578182,0.15840262914302022,0.1601366054303275,0.16834883601576794,0.16849223335772417,0.1687440224312902,0.17448123116956177,0.1762207418110362,0.1790214821302721,0.17936417266187535,0.1794868157115309,0.17998780159545147,0.18001661015404807,0.1850093987532497,0.1858842994009359,0.18840916075730288,0.18874085628391074,0.19066924652573644,0.19102275148605297,0.1942428672713272],"n_dims_used":45,"mean_confidence":0.9084531148274739},"coverage":{"mean_confidence":0.9084531148274739,"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}}