{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007562},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005845","490:4900006949","490:4900005590","490:4900007075","490:4900007570","490:4900006582","490:4900005719","490:4900001381","490:4900007197","490:4900007442","490:4900006830","490:4900005587","490:4900007561","490:4900005718","490:4900007083","490:4900006951","490:4900005976","490:4900006462","490:4900007190","490:4900007203","490:4900007200","490:4900007078","490:4900008245","490:4900005849","490:4900009253"],"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":[0.040902600171732945,0.022568765719127835,0.020138208608388,0.006888733925426184,0.004263366341924193,0.0011819159250274125,0.0007444152686091373,0.00034387537188187615,0.00027912873041163137,0.00013440620903583828,0.000056580520624484195,0.00005594159877238512,0.00005194538407229642,0.000050235652150872675,0.00004070061601304759,0.000033953726531402746,0.000024542425053381293,0.000020574381011566434,0.000019586169461755746,0.000011424877540865092,0.000010912025413346923,0.000010849889926023004,0.000008445094642464097,0.000007576162767022064,0.000003745145111192029],"twin_dists":[0.3283827881653652,0.3576238926374031,0.36295847756296046,0.40978922089604986,0.429085187985893,0.47685760991297205,0.4929386643601174,0.5186931188260421,0.525432996211256,0.5483916641165945,0.5743873244946439,0.5747207212154519,0.5768918210818428,0.5778695392668317,0.5839809557964546,0.5891926689920711,0.5984130256767658,0.6033634870547853,0.6047379790534969,0.6195902590652101,0.6208393127571624,0.6209944399724524,0.6277634799669113,0.6306741401195618,0.6492438530687867],"n_dims_used":45,"mean_confidence":0.9030134412977431},"coverage":{"mean_confidence":0.9030134412977431,"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}}