{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001130},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000861","487:4870000487","487:4870001316","487:4870000865","487:4870003759","665:6650003647","487:4870004187","491:4910003780","487:4870001421","665:6650003554","665:6650003768","665:6650003471","491:4910001695","487:4870002485","487:4870000098","497:4970003332","665:6650002879","487:4870003068","665:6650001926","492:4920004461","487:4870004486","492:4920006354","491:4910001416","487:4870004188","492:4920005193"],"twin_admin_codes":[487,487,487,487,487,665,487,491,487,665,665,665,491,487,487,497,665,487,665,492,487,492,491,487,492],"twin_sims":[0.254066263245943,0.1301508229977919,0.12636324424975418,0.1132446529895989,0.10296325422598378,0.0964600618146158,0.09375460882555217,0.07283530426804374,0.07220986978818109,0.06632178971473128,0.06398130437053354,0.06101980022972823,0.06008339487058301,0.051714240369113866,0.045650968137211236,0.0371353893090952,0.030504241981009903,0.030503979235439387,0.02891021286677664,0.027914459366888425,0.026719645912013645,0.025679711926867355,0.02480770442030462,0.02171818745406347,0.0216157913636699],"twin_dists":[0.21499309550886883,0.2622732437613504,0.26416576894272653,0.27107420474344496,0.2769332857114775,0.2808789879074811,0.2825822008433289,0.29727101264713124,0.29775994564648806,0.30253992296050947,0.3045363907358108,0.3071501077147861,0.30799820328008815,0.31610618302864063,0.32269199949160887,0.333308892049384,0.3431189336396815,0.34311935706788016,0.34574727137530853,0.3474529936613053,0.34957021355401113,0.35148048503865814,0.3531344872440844,0.359431262380556,0.35965297148792347],"n_dims_used":43,"mean_confidence":0.8905584645825763},"coverage":{"mean_confidence":0.8905584645825763,"n_dims_used":43,"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}}