{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000504","491:4910000505","491:4910000136","491:4910000561","491:4910000801","491:4910000319","491:4910000331","491:4910000097","491:4910000183","491:4910000465","491:4910000413","491:4910000285","491:4910000359","491:4910000675","491:4910000614","491:4910000467","491:4910000620","491:4910000104","491:4910000133","491:4910000869","491:4910000288","491:4910000457","491:4910000073","491:4910000116","491:4910000027"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.801065833357047,0.6690057537964756,0.6367930536798814,0.6352278923121497,0.5660693293731046,0.5140527252057313,0.4385818359485352,0.4267482224896764,0.3971276740017359,0.3949900668482508,0.38328664113035443,0.37649975360244914,0.3569837095293679,0.3521763448624414,0.3468467830071085,0.3440266523748084,0.3315809644247065,0.3194230423648114,0.31378948069527596,0.2942920257286235,0.28882429949097693,0.2810596794293097,0.27485920143676995,0.2615161658020214,0.25805397747126146],"twin_dists":[0.0865030670512894,0.11644790435383967,0.12338904081469841,0.12372499136177999,0.1385510280739972,0.14982691926875807,0.1667467901983982,0.16949104082748725,0.17650487094322992,0.17701989444699026,0.17986300439116334,0.18153070384800557,0.18641084997891738,0.18763364558851567,0.18899947842142503,0.18972668118990538,0.1929747194455654,0.19621270625695417,0.19773645206236187,0.20313488496056442,0.20468620816762234,0.20691971203489376,0.20873026684615376,0.2127135704197862,0.21376776452726404],"n_dims_used":45,"mean_confidence":0.8897617763943142},"coverage":{"mean_confidence":0.8897617763943142,"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}}