{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001828},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000894","490:4900003980","490:4900003307","490:4900004129","490:4900002748","490:4900001020","490:4900004140","490:4900004280","490:4900000659","490:4900003173","490:4900007115","490:4900001687","490:4900001820","490:4900006627","490:4900001422","490:4900003438","490:4900003983","490:4900002747","490:4900000655","490:4900007117","490:4900001816","490:4900003840","490:4900003176","490:4900003981","490:4900006392"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4346567468961855,0.4233400891814897,0.4121963589706435,0.4065556431363266,0.4000783134307067,0.38256967703942113,0.37516105012019274,0.36784714611731084,0.3593680706710796,0.3544142183577234,0.35251528229042256,0.3468457105560944,0.3340728155958988,0.3191734740082796,0.31837042010121974,0.3076067775257111,0.3052318352172473,0.30469213429028635,0.302617068029466,0.3009081543552111,0.2960272017298195,0.28602785802553565,0.28576935104588747,0.28531642313391054,0.28208574069470865],"twin_dists":[0.16765369209798456,0.1702871397805676,0.17290927979382792,0.17424824661682137,0.1757960419259181,0.1800385032309091,0.18186137413815914,0.1836783234613466,0.1858075168414891,0.18706335445518618,0.18754715127947638,0.18899975436941463,0.19231919141923737,0.19627988613561578,0.19649625632308904,0.19942674811325,0.2000812205410688,0.20023035812665113,0.20080520026898377,0.20128033316109825,0.20264614956522817,0.20548639983168038,0.20556060710347454,0.2056907223542086,0.20662244886276132],"n_dims_used":45,"mean_confidence":0.9199325561523437},"coverage":{"mean_confidence":0.9199325561523437,"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}}