{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001909},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001854","490:4900006664","491:4910002254","491:4910001500","487:4870008717","487:4870009161","491:4910002157","497:4970003277","491:4910003083","491:4910000730","491:4910003167","491:4910001853","487:4870008719","491:4910003416","497:4970003235","487:4870008859","491:4910001960","487:4870011498","487:4870009025","491:4910003897","487:4870010608","491:4910000791","491:4910003372","487:4870008581","494:4940005178"],"twin_admin_codes":[491,490,491,491,487,487,491,497,491,491,491,491,487,491,497,487,491,487,487,491,487,491,491,487,494],"twin_sims":[0.0542881976408227,0.043799741738412015,0.042396479704892,0.0324583194908076,0.031173429793423846,0.030036769607307588,0.028428767329581578,0.02209404310541951,0.021894503843426585,0.021575317032290323,0.01995003145004722,0.019878981856300274,0.01983157797185192,0.019152563035046012,0.01844014917742887,0.01831649648035635,0.017479185259292443,0.015602679592309768,0.01535417157831022,0.014457453861465163,0.014301724786576356,0.013630405144178924,0.013551467654802484,0.013459044863653858,0.013138710324415057],"twin_dists":[0.3135035850785343,0.3248486432344117,0.3265350398697003,0.3400529020539825,0.34205050186409813,0.34387728111969257,0.3465655716604284,0.35862516876408196,0.35905162110875743,0.359740858851255,0.3633945042441288,0.3635600671055594,0.36367081704482634,0.3652831060365819,0.3670292980195777,0.36733837274650283,0.3694806828488793,0.37462937398119317,0.37535156221416566,0.3780461016223531,0.378528997068929,0.3806653041829135,0.38092257635536375,0.38122548821869745,0.3822898021032336],"n_dims_used":45,"mean_confidence":0.8992286682128906},"coverage":{"mean_confidence":0.8992286682128906,"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}}