{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001690","472:4720002183","472:4720001295","499:4990001967","499:4990002906","470:4700008660","500:5000006927","500:5000008485","468:4680000011","472:4720001992","500:5000007991","499:4990003181","500:5000008722","478:4780003912","496:4960004772","472:4720001235","500:5000009944","499:4990004068","499:4990001416","499:4990001025","499:4990001504","488:4880000394","499:4990000296","479:4790002535","468:4680006052"],"twin_admin_codes":[499,472,472,499,499,470,500,500,468,472,500,499,500,478,496,472,500,499,499,499,499,488,499,479,468],"twin_sims":[0.44157705557504756,0.36538901530243967,0.3619297900136271,0.35119685425580427,0.3445140349509983,0.3444640864344717,0.3372371150368862,0.32328601811008884,0.3218724308287752,0.3211176873508142,0.31409834194337916,0.3131709744582957,0.311126484315267,0.30259942402682116,0.29937579613780707,0.2950776469581367,0.2927678826242782,0.2896124340931903,0.28954195531314003,0.28873009842437175,0.2869970934187052,0.28562920846072254,0.2838565374119038,0.27214618633658566,0.2704924380685966],"twin_dists":[0.16605688592123594,0.1842930138681952,0.18516158204911812,0.18788384843688455,0.18960077883202303,0.18961367735443452,0.19149058294174565,0.19517658272796923,0.19555492614680325,0.195757311706962,0.19765251291835817,0.19790468472467587,0.19846213405623686,0.20081009787444523,0.20170771889992584,0.202913394160061,0.20356558737435393,0.20446152407077495,0.20448160153217182,0.20471308781213987,0.20520852802157646,0.2056008534327005,0.2061109601601062,0.20953033115660555,0.2100204294774932],"n_dims_used":45,"mean_confidence":0.9267196655273438},"coverage":{"mean_confidence":0.9267196655273438,"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}}