{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011234},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011009","490:4900010998","490:4900010760","490:4900011159","490:4900010496","490:4900010931","490:4900011004","490:4900010755","490:4900011158","490:4900011175","490:4900011167","490:4900011776","490:4900011165","490:4900011232","490:4900011085","490:4900011900","490:4900010924","490:4900011895","490:4900010426","490:4900011587","490:4900011437","490:4900011703","490:4900010674","490:4900011374","490:4900011440"],"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":[0.5872345183332766,0.530693658066445,0.5020993378842951,0.4568534587772448,0.4419814357465371,0.41326799999019415,0.39437361134203364,0.38611823935285255,0.3767026596299117,0.3756171659661699,0.3583116748646898,0.34747780528848554,0.3473935899120343,0.34277521096353214,0.32985379346276356,0.3219709383038645,0.32006552442295283,0.31351228802733355,0.30192451239936324,0.3007430850819007,0.29322366992468113,0.2904484851580666,0.2878306482758483,0.2844349570469053,0.26467892640461077],"twin_dists":[0.13400769294934034,0.14619626003405367,0.1524526561371331,0.1625655718241483,0.1659638829100308,0.17265580833171434,0.1771686584472689,0.17917141191903904,0.1814806346368287,0.18174864520613496,0.1860745706131468,0.18883719063060123,0.1888588403476606,0.19005039295006876,0.1934306658706934,0.19552853081037724,0.1960398957212714,0.19781182465279806,0.2009975641100637,0.20132631096043002,0.20343664910391954,0.20422357808880207,0.20497000432666637,0.20594430289949522,0.21175817390021212],"n_dims_used":45,"mean_confidence":0.8917845831976996},"coverage":{"mean_confidence":0.8917845831976996,"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}}