{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000094},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000115","490:4900000093","490:4900000281","490:4900000205","490:4900000155","490:4900000190","490:4900000139","490:4900000185","490:4900000110","490:4900000068","490:4900000166","490:4900000218","490:4900000095","490:4900000165","490:4900000078","490:4900000182","490:4900000031","490:4900000069","490:4900000120","490:4900000249","490:4900000098","496:4960006370","490:4900000160","490:4900000089","490:4900000065"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.6101464099031771,0.5660392001773966,0.5246632092615405,0.48106040635294417,0.47997232643286025,0.4628701508698122,0.4602271219200723,0.4539729905102554,0.4146037038290636,0.4099119104304861,0.40889170753952625,0.3978804666103703,0.38606358056015794,0.37783067508767143,0.37516424013535965,0.3746816550062204,0.3520006429055386,0.3509671833121441,0.34930643896699254,0.3395751466405259,0.33843541012382966,0.3378784875900552,0.336926186920087,0.3308758301767638,0.3300202265058106],"twin_dists":[0.129100248990901,0.13855750780915993,0.1475089165651445,0.157117260678589,0.1573601682235972,0.16120230592247992,0.16180038303751632,0.16322051565992607,0.17234027806309912,0.17345057429616934,0.17369273624577986,0.1763238004374701,0.17918473894621884,0.18120252423204528,0.18186058549357667,0.18197992894763254,0.18767850048339435,0.1879425686830482,0.1883677727003264,0.1908810377377656,0.1911778936775457,0.19132314551693486,0.19157181605140308,0.19316070638581861,0.19338667320448033],"n_dims_used":45,"mean_confidence":0.9174709743923611},"coverage":{"mean_confidence":0.9174709743923611,"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}}