{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000359},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000248","490:4900000218","490:4900000140","490:4900000497","490:4900000152","490:4900001091","490:4900000250","490:4900000089","490:4900000296","490:4900000139","490:4900004048","490:4900000436","490:4900000295","490:4900000409","490:4900000131","490:4900000434","490:4900000490","490:4900000119","490:4900000402","490:4900000217","490:4900001741","490:4900000506","490:4900000403","490:4900000093","490:4900000337"],"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":[0.6195763647091653,0.5680646368300013,0.5387333938189047,0.5179091426735262,0.45330948147109956,0.3773339094063708,0.36878261490452996,0.3411882304266071,0.3324376775637569,0.3297216322952104,0.327036191862283,0.32678136091216947,0.3259414920347763,0.3086438864962229,0.27572505879853526,0.27331935376873767,0.24379764886287172,0.23733820498350636,0.23723543562804617,0.22761997600072958,0.22755930625319892,0.22089694101598834,0.21921702212027575,0.21840786995295228,0.21823934652367666],"twin_dists":[0.12708061858961991,0.13812199894635363,0.14445108046046717,0.1489831282468978,0.16337159545739677,0.18132495111451383,0.18344493678678203,0.19046180649854133,0.19274904276465427,0.19346560825550613,0.1941772944399418,0.19424499607514398,0.19446833332280106,0.19914186153274893,0.20847594724424628,0.20918376715606019,0.2182058907267672,0.22027181154947484,0.22030497396072998,0.22345039057060503,0.22347051236558352,0.2257022062621625,0.22627200214615753,0.22654749557533252,0.22660495919251536],"n_dims_used":45,"mean_confidence":0.9149763319227431},"coverage":{"mean_confidence":0.9149763319227431,"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}}