{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000642},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001291","470:4700002731","470:4700000026","481:4810000945","488:4880002083","470:4700000495","481:4810000226","488:4880001038","477:4770000670","481:4810001010","493:4930004987","488:4880002150","493:4930004986","466:4660013180","470:4700003392","466:4660000431","466:4660006425","481:4810005840","479:4790003064","470:4700006093","481:4810000898","470:4700003238","479:4790001040","481:4810000545","487:4870006597"],"twin_admin_codes":[499,470,470,481,488,470,481,488,477,481,493,488,493,466,470,466,466,481,479,470,481,470,479,481,487],"twin_sims":[0.37826956786213456,0.35556736025931057,0.33439503164693,0.3231125265236047,0.3141736185177532,0.2995996279296124,0.2990402298680313,0.29892229618808147,0.2886176331434023,0.28063848064704283,0.2792092521293191,0.2782820817592944,0.26813067038051197,0.24259308912600114,0.23259698315926516,0.22325574860086694,0.20977973296532906,0.20639889857753033,0.2054240527944717,0.2054054294705626,0.20131116510100674,0.19094339851138084,0.19036206816056161,0.18458981167965474,0.18163497754391814],"twin_dists":[0.18109442512445606,0.1867702209684592,0.19223462124144988,0.19522296760757593,0.19763206213313184,0.20164521095000373,0.2018014814417443,0.20183444861823954,0.2047451858915219,0.20704192907753438,0.2074574725537416,0.20772773620165996,0.2107235742079254,0.21858842877338858,0.22181163339668616,0.22490701442809624,0.22952883813264732,0.23071972064852997,0.23106557541488384,0.23107219349187477,0.23253724897059713,0.23634146818214302,0.23655898270455097,0.23874443405963325,0.23988181504870082],"n_dims_used":43,"mean_confidence":0.9139542690543241},"coverage":{"mean_confidence":0.9139542690543241,"n_dims_used":43,"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}}