{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003860},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004399","490:4900004002","490:4900001683","490:4900003038","490:4900004549","490:4900004548","490:4900004537","490:4900004419","490:4900002293","490:4900002431","490:4900004001","490:4900003992","490:4900003580","490:4900004535","490:4900003186","490:4900003716","490:4900004540","490:4900003177","490:4900002892","490:4900003030","490:4900001987","490:4900004541","490:4900003572","490:4900002007","490:4900003993"],"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":[0.5198969127443249,0.5048821051204138,0.49757524754234767,0.49282988790151594,0.4644329420503583,0.4348450623118883,0.43205535703410447,0.4298250212618383,0.42431428771322066,0.39258406834555337,0.3829613354750763,0.36726052012719707,0.360847732504692,0.3532325169009692,0.3500631050230223,0.34737176246935847,0.32771797964622584,0.3181865303922065,0.3147858316275331,0.31324941875498297,0.3118713826075183,0.3109279623067805,0.30966650444791166,0.3010502083331704,0.2976643455341176],"twin_dists":[0.14854879348019998,0.15183992091617055,0.15345081315291254,0.15450056128106737,0.16084923499645515,0.16761010716209834,0.16825655189237118,0.16877459020176397,0.17005930746972975,0.17760112504414824,0.17994261336804165,0.1838248300155742,0.1854341365231461,0.18736426089255473,0.18817391086089344,0.18886445210161434,0.19399630518717917,0.19654584571501546,0.19746584221156452,0.19788333754406015,0.19825878919418058,0.19851637421653873,0.19886149368122633,0.20124077774324733,0.2021865716615145],"n_dims_used":45,"mean_confidence":0.9197522481282552},"coverage":{"mean_confidence":0.9197522481282552,"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}}