{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000152},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000213","491:4910000153","491:4910000277","491:4910000357","491:4910000940","491:4910000093","491:4910000127","491:4910000293","491:4910000683","491:4910000254","491:4910000075","491:4910000864","491:4910000068","491:4910000092","491:4910000151","491:4910000222","491:4910000189","491:4910000154","491:4910000035","491:4910000316","491:4910000690","491:4910000591","492:4920006348","491:4910000566","492:4920005419"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,492],"twin_sims":[0.4090783240806378,0.4044407505153742,0.3482264339936654,0.32697487566396494,0.23473517272937017,0.22565723678498525,0.22469400872112927,0.21999061516272866,0.2147163667844305,0.21293232089985598,0.21066371802448658,0.20583089755604728,0.1976776049033818,0.19423206269211366,0.18730817379379627,0.18673224018816947,0.16911549195461167,0.16842136165551075,0.15941311234452868,0.15664073414531327,0.12098416216806353,0.11463434021777141,0.11089370890824153,0.10620116574328106,0.10415743875608925],"twin_dists":[0.17364841987485174,0.1747523874224125,0.18864485782186405,0.19419358181706892,0.22111468637230736,0.22410316644912118,0.2244249000953638,0.2260092524537652,0.22781312997361977,0.2284300554265309,0.22921961566420943,0.23092109932947624,0.23385471770144467,0.23511957471896522,0.23770934402814858,0.23792776090411538,0.24485205182849132,0.24513521926028584,0.2488888769678118,0.2500750309884738,0.2669289224452729,0.2703141989682118,0.27237644047507215,0.2750409388413836,0.27623004004059415],"n_dims_used":45,"mean_confidence":0.8898364596896702},"coverage":{"mean_confidence":0.8898364596896702,"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}}