{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001320","491:4910001064","491:4910001062","491:4910001056","491:4910001739","491:4910001261","491:4910001063","491:4910000998","491:4910001201","491:4910001316","491:4910001620","491:4910001189","491:4910001454","491:4910002205","491:4910001572","491:4910001808","491:4910001007","491:4910001137","491:4910001068","491:4910001198","491:4910001455","491:4910001512","490:4900007422","491:4910001121","490:4900006079"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,490],"twin_sims":[0.21518143689964775,0.2069053275112863,0.1613761831897313,0.12401157909358619,0.10207270941653558,0.0896346565276648,0.0820800631250364,0.06995887142923303,0.052030688901932826,0.04616041858284258,0.03773754421498086,0.03481659386718915,0.033220793647982645,0.026323499380550803,0.02502448468408598,0.018990247854210055,0.015404605072877837,0.014467803010701297,0.013902361053835091,0.012476598691712613,0.01050095410556746,0.00993295185201571,0.009489929290102367,0.009444343806494147,0.008648456298869374],"twin_dists":[0.22765287737157994,0.230540490703547,0.24805803348944203,0.26536255381178997,0.2774618730041896,0.2852519932793423,0.2904116744898989,0.29954855847483836,0.3157804918162112,0.32211138184093663,0.3324938972888284,0.33655595406459754,0.3388992206482918,0.3502902109267801,0.3527186667999118,0.3656758990275621,0.37520416980080534,0.37801417310826385,0.3797889142329923,0.38456449722225233,0.3920527306423051,0.3944379299574316,0.3963842594420987,0.39658910561390254,0.4003158313395219],"n_dims_used":45,"mean_confidence":0.896160888671875},"coverage":{"mean_confidence":0.896160888671875,"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}}