{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011218},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011289","491:4910004803","490:4900010302","490:4900010121","491:4910004856","490:4900010021","490:4900009619","490:4900012086","490:4900008655","490:4900007896","490:4900009720","491:4910005714","490:4900010818","490:4900012018","490:4900011359","491:4910005364","490:4900010213","490:4900011949","490:4900010648","491:4910002765","491:4910004957","490:4900005938","490:4900010675","491:4910002467","490:4900011079"],"twin_admin_codes":[490,491,490,490,491,490,490,490,490,490,490,491,490,490,490,491,490,490,490,491,491,490,490,491,490],"twin_sims":[0.41168066296929107,0.40813079095994315,0.160151094303271,0.11947318616678512,0.10704585019750426,0.10368944243674136,0.07050611022619815,0.05636148012145467,0.05448669378642522,0.042366386459539225,0.03931112291024512,0.032155580744304704,0.03194214439924836,0.03003322070718629,0.028313861183663358,0.024297051333704828,0.018841222259178628,0.013971562407179573,0.009685098757944722,0.008584264967995156,0.00838625596125711,0.008207821124482683,0.008130370695731361,0.007646427709541387,0.006996515782468568],"twin_dists":[0.17303135782940843,0.17387352575551965,0.24857566818086882,0.26772190324305156,0.27455466798570016,0.2765048866823144,0.29910948229852924,0.31148057600909407,0.31330716080665894,0.326571716288055,0.33041497823388843,0.3405173958544295,0.3408471236299375,0.3438830768311977,0.34676263381066,0.35412656566382833,0.3660391239207487,0.3795683277373063,0.3955170430177695,0.40062961423957166,0.40161093853870733,0.4025131905805182,0.4029102966110116,0.40547125710831317,0.4091496968715868],"n_dims_used":45,"mean_confidence":0.8859534369574653},"coverage":{"mean_confidence":0.8859534369574653,"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}}