{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000976},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000978","499:4990000798","499:4990000647","499:4990000327","499:4990000581","499:4990000029","472:4720001298","499:4990000731","499:4990000436","472:4720000608","499:4990001263","499:4990000987","499:4990000324","499:4990000884","472:4720000677","499:4990000044","499:4990000584","499:4990000638","499:4990001076","499:4990000013","499:4990000498","499:4990000657","499:4990000184","499:4990001273","472:4720000746"],"twin_admin_codes":[499,499,499,499,499,499,472,499,499,472,499,499,499,499,472,499,499,499,499,499,499,499,499,499,472],"twin_sims":[0.7276358344997323,0.7107820357687192,0.6955751491005487,0.6927356307498395,0.6730348354611438,0.67271541767987,0.6696304765376694,0.6581833127933037,0.6580874516801132,0.6559597249675979,0.6542954299276569,0.651374024006367,0.6511061560996408,0.6484406887971887,0.6470171760321094,0.6410955679307735,0.6381945302787772,0.6367712195992496,0.63596014502197,0.629804645442797,0.6255022148834225,0.6122069240098923,0.6101372129098386,0.6062431558335724,0.6034933486344249],"twin_dists":[0.10356699820362883,0.10731585646203058,0.11066285256917055,0.11128460301080244,0.1155748953061823,0.11564415470185042,0.11631262761831072,0.11878678668074023,0.11880746755923785,0.11926634986924035,0.11962509149191138,0.12025441495370508,0.12031209453291503,0.12088583586284704,0.12119209618260605,0.12246506378303967,0.12308814855179816,0.12339372794355871,0.12356782941005015,0.12488842991809254,0.12581083204572724,0.12865901125339255,0.12910221838387742,0.12993604960051827,0.13052486252356454],"n_dims_used":45,"mean_confidence":0.9237041897243924},"coverage":{"mean_confidence":0.9237041897243924,"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}}