{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001502},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001637","490:4900001369","490:4900001366","490:4900004211","490:4900001777","490:4900001780","490:4900001500","490:4900003796","490:4900001243","490:4900003941","490:4900002397","490:4900001501","490:4900001235","490:4900003249","490:4900004489","490:4900001122","490:4900002247","490:4900001496","490:4900001638","490:4900003797","490:4900004073","490:4900004074","490:4900004079","490:4900001370","490:4900001640"],"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":[0.6537592609846026,0.6511282659971195,0.5566892218492587,0.5362128747897668,0.49443890135868523,0.4930746599918087,0.4822666912451333,0.4797272511745175,0.4781141570344956,0.4640901395577649,0.4629778354664616,0.4454698819792418,0.4112244606381202,0.39911369952246945,0.3758406380985945,0.360815656298889,0.3545461364261668,0.34981149939608525,0.3480402114935989,0.34505160108228383,0.3417363055583711,0.33282928081156066,0.3137500498771732,0.2872787582469872,0.25893127976829633],"twin_dists":[0.11974062860324967,0.12030733379196094,0.1405705372991902,0.14499764325429965,0.1541442961722073,0.1544463423598559,0.1568481678071659,0.15741490403068317,0.1577754007771255,0.16092664649623914,0.1611779640977981,0.16516293724185224,0.17313940790452786,0.17602750694917976,0.18169343857365353,0.1854422223949418,0.187029795358175,0.1882383491582328,0.18869268053858648,0.1894620224741247,0.1903196065574949,0.19264599182650705,0.1977471715463217,0.20512788259780995,0.21349979877964964],"n_dims_used":44,"mean_confidence":0.9117591164328835},"coverage":{"mean_confidence":0.9117591164328835,"n_dims_used":44,"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}}