{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910003097},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003149","491:4910003148","491:4910003052","491:4910003437","491:4910003187","491:4910003230","491:4910001885","491:4910003099","491:4910002908","491:4910001599","491:4910003231","491:4910002455","491:4910003006","491:4910002802","491:4910003095","491:4910002555","491:4910003145","491:4910001301","491:4910002957","492:4920000657","491:4910002749","491:4910001482","491:4910001298","491:4910002663","491:4910001101"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491],"twin_sims":[0.3924407708233958,0.33349136245611005,0.33318598508668584,0.3231497438822692,0.2943514386563952,0.23510209329801418,0.20432240681817965,0.1813566291987246,0.1700763436444433,0.1697470692398478,0.16761866912690293,0.1665076807216016,0.16247370798128632,0.15906850365110284,0.1583620369776788,0.14940102422976878,0.14937710378552366,0.14644563124605753,0.13585690699349312,0.13467558383193964,0.13059482349193616,0.1283043721935848,0.12354539454282193,0.12186718758570211,0.11889852752708141],"twin_dists":[0.17763579432837823,0.19247191442547532,0.19255218215051093,0.19521301596903662,0.20311812242455413,0.22099550679491745,0.23145777028997033,0.2399896289899298,0.24446145149258114,0.2445951274766268,0.24546372284042395,0.24592027150632406,0.24759671521532722,0.2490354946433892,0.24933679350153665,0.2532466684321877,0.2532573330486902,0.2545739418041507,0.259499047386942,0.2600660952590217,0.26205412883657486,0.2631905719348612,0.26560184433929385,0.2664689932627802,0.2680255045720338],"n_dims_used":45,"mean_confidence":0.8956830342610677},"coverage":{"mean_confidence":0.8956830342610677,"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}}