{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004346},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004205","490:4900003499","490:4900003779","490:4900002819","490:4900003376","490:4900002674","490:4900007046","490:4900003378","490:4900003919","490:4900003921","491:4910001340","491:4910002159","490:4900003500","490:4900003105","490:4900006446","490:4900004614","490:4900002963","490:4900005432","490:4900006553","490:4900006203","490:4900002673","490:4900007661","490:4900003920","490:4900005428","490:4900002970"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,491,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.31025557903151013,0.29822228950208646,0.2792065080281973,0.2539435468517826,0.2490394056473837,0.216846880400111,0.2136600931862905,0.21288414644076906,0.19629809193113051,0.18218366162308774,0.17221801623978927,0.16691483004814486,0.16500893722309454,0.16383554902665878,0.15733814933406937,0.15225594497418884,0.12456953741585902,0.1229183774770452,0.12153182767094149,0.11469636045255517,0.10579868614419709,0.10296234462114409,0.09712056208879158,0.09674982499730528,0.09174943150883691],"twin_dists":[0.19870023005294152,0.20203028556965272,0.20745827163365413,0.21503099604834036,0.21655527175741382,0.22708091125742297,0.22817797045842547,0.22844676259905614,0.23435928768896688,0.23966963222704482,0.24359649293296054,0.24575270378472616,0.24653965803110034,0.24702742735904853,0.24977521178145218,0.2519827684810262,0.2650770538245475,0.26592477543889437,0.2666433671865614,0.27028044637365856,0.2752736972912087,0.27693382378860604,0.280468889199225,0.2806988056847483,0.2838697414616636],"n_dims_used":45,"mean_confidence":0.9024795532226563},"coverage":{"mean_confidence":0.9024795532226563,"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}}