{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005092},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002883","490:4900004677","490:4900002446","490:4900003992","490:4900003038","490:4900004541","490:4900003175","490:4900001683","490:4900004534","490:4900012572","466:4660006588","490:4900004419","490:4900001820","490:4900004124","490:4900006622","490:4900007490","490:4900001542","490:4900012850","490:4900004686","490:4900002122","490:4900007731","490:4900004421","490:4900005757","490:4900002889","490:4900005375"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.44509452762595714,0.44025930837214855,0.36568562358898654,0.35811590665099235,0.3446457694230046,0.341668724312602,0.3356759601157551,0.3119215306804078,0.30343003979673766,0.2948913191739212,0.2828008618955952,0.28198190439155,0.28028961980817896,0.2727033936227333,0.2685078032092326,0.2665087100504937,0.26474765078034684,0.253718996229864,0.2524772659721785,0.25238931747492904,0.2451573946113192,0.23721866973773592,0.23339315202525784,0.23150328359740743,0.23044663626528325],"twin_dists":[0.16524900254418884,0.16636018339282974,0.18421873283547927,0.186124104539294,0.1895667649634198,0.1903371341465564,0.19189886034870124,0.19824510957415312,0.20057971614115308,0.20296589415481478,0.20641565570004927,0.20665250177991915,0.2071432404546879,0.20936561285867522,0.21061103777353224,0.21120869016783383,0.2117374932695218,0.21510037787535927,0.21548475528329702,0.2155120253034481,0.2177755330074743,0.2203103849972328,0.2215516312896619,0.22216975452418034,0.22251680257124165],"n_dims_used":45,"mean_confidence":0.9208401150173611},"coverage":{"mean_confidence":0.9208401150173611,"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}}