{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011703},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011776","490:4900011843","490:4900011165","490:4900011167","490:4900011442","490:4900011455","490:4900011573","490:4900011769","490:4900010760","490:4900011234","490:4900011298","490:4900011644","490:4900011702","490:4900010674","490:4900010426","490:4900012168","490:4900011437","490:4900011305","490:4900011906","490:4900011436","490:4900010843","490:4900011232","490:4900011837","490:4900011319","490:4900011833"],"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":[0.48319010368067544,0.4362652942089111,0.4302640599074407,0.35391857515969277,0.33439133898242607,0.314655364270924,0.29506102903706977,0.29497108042061637,0.29385216501148387,0.2904484851580666,0.2688190224223993,0.2660079840015969,0.25261718253345017,0.24391934103831753,0.2433430596385102,0.22581390745475072,0.22499526291184863,0.21452209667946837,0.21009135791588807,0.20634023931074832,0.2004216685693571,0.18915233854179514,0.1878703856080062,0.18613959743768357,0.17615391845981693],"twin_dists":[0.15664231996261344,0.16728164170331755,0.16867252885091893,0.1871895007311549,0.19223559018265463,0.19750124956592785,0.2029180756551976,0.2029434181098824,0.2032590478798777,0.20422357808880207,0.2105182437149174,0.2113588240320116,0.21544138408874705,0.21816731231099473,0.21835011307346777,0.22405092225428727,0.22432417800055077,0.22788014040928153,0.2294197292787416,0.23074050011509456,0.23285824019147808,0.23701311573926148,0.23749658494301015,0.23815300883124996,0.24202675253110748],"n_dims_used":45,"mean_confidence":0.8890394422743055},"coverage":{"mean_confidence":0.8890394422743055,"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}}