{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003395},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002550","490:4900003263","490:4900003660","490:4900003792","490:4900003127","490:4900003803","490:4900002996","490:4900003662","490:4900002994","490:4900003523","490:4900003529","490:4900003254","490:4900002697","490:4900003262","490:4900002991","490:4900004492","490:4900003392","490:4900003661","490:4900002992","490:4900003654","490:4900003255","490:4900003795","490:4900003794","490:4900004354","491:4910001273"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.5004657272686271,0.45196138907011824,0.33847233668508525,0.2990400647547776,0.193502994953954,0.18401087718230577,0.17090635612242827,0.15404707673749374,0.15305603955859653,0.14468282818710237,0.14313012414833037,0.14168123436353075,0.1405579071888675,0.13910479084802985,0.12737861457888358,0.11035653913094959,0.10713956037535796,0.10532345500214016,0.09877436655182945,0.09405065943638294,0.08853503091510455,0.08624272599574644,0.08498964964585122,0.08214848860880973,0.0802872228554093],"twin_dists":[0.15281279202103748,0.16367880481079392,0.19116826735671402,0.20180152759217201,0.23538920786038853,0.2389662620586526,0.24412531232496482,0.25119868145838853,0.2516316869617514,0.25537507617536653,0.25608674349926114,0.25675601948736365,0.25727842383081756,0.25795883302902584,0.2636542561613813,0.27267697700919763,0.2745009043927051,0.2755494167209572,0.27945158081651844,0.28239395035205406,0.28598096548441826,0.28752402122323667,0.2883813668677961,0.2903632718499962,0.2916915519633992],"n_dims_used":45,"mean_confidence":0.9188094245062934},"coverage":{"mean_confidence":0.9188094245062934,"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}}