{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005155","490:4900007303","490:4900007650","490:4900004608","490:4900003924","490:4900006548","490:4900003777","490:4900004609","490:4900005555","490:4900007038","490:4900003630","490:4900003916","490:4900004054","490:4900004880","490:4900005422","490:4900005815","490:4900002067","490:4900005557","490:4900002066","490:4900007537","490:4900003781","490:4900007059","490:4900006207","490:4900005951","490:4900003373"],"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":[0.45080775697549047,0.41093277554735463,0.3069238835466668,0.30214274249022255,0.2545160095499633,0.2386163340651228,0.22572564997996394,0.21567342520757696,0.21174992930899983,0.2031431564744115,0.19794436420259445,0.19072221169330045,0.18965167347012618,0.1879917491835164,0.1863157975304007,0.1698577381051154,0.14674919938341843,0.14299725999423862,0.13834223989365138,0.1366244354097957,0.13451096152640596,0.13383163204405946,0.12222298792407044,0.11690679793870117,0.11387811963556681],"twin_dists":[0.16394196919324097,0.17320852006279383,0.19961463637612475,0.20093692095719076,0.21485429217743227,0.21986015497204436,0.22408035007704988,0.22748360346824367,0.22884085733423548,0.23187920183554378,0.23375742928535462,0.236424174376191,0.23682541977551116,0.23745071564837836,0.23808598725691565,0.24455017833149456,0.25443670175905514,0.2561479062718773,0.2583180153186643,0.2591326034771851,0.26014541168089106,0.26047349150883814,0.2662843906551794,0.2690865400033082,0.2707268829709281],"n_dims_used":45,"mean_confidence":0.8974929809570312},"coverage":{"mean_confidence":0.8974929809570312,"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}}