{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001583},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002035","491:4910001826","491:4910002172","491:4910001582","491:4910002319","491:4910002173","491:4910002268","491:4910002127","491:4910002124","491:4910002266","491:4910002175","491:4910000912","491:4910002270","492:4920004366","492:4920004112","491:4910000793","491:4910002322","492:4920004882","492:4920004261","491:4910002077","491:4910002576","491:4910002481","491:4910002265","491:4910002529","492:4920004256"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,492,492,491,491,492,492,491,491,491,491,491,492],"twin_sims":[0.5422823189124184,0.37897232130644604,0.3750133034321727,0.3341864231197336,0.29837174094468527,0.25898063681113787,0.25861337266752477,0.24661076520733433,0.24001756836515387,0.2390434032867614,0.2365766172165887,0.21790273778811306,0.21615648892771422,0.20803730213137756,0.20132999526129192,0.19169766329196727,0.1839652642027906,0.1782651581064646,0.17375391540581606,0.166134030444721,0.15712488097949392,0.15529089767868437,0.15512046568626647,0.15414151804040568,0.15357661934621272],"twin_dists":[0.14368233876501757,0.18092146398871717,0.1818979040943411,0.19228936845109326,0.20198845176215224,0.2134847400351972,0.21359683502692933,0.217317240200068,0.21941049519593706,0.2197229257918444,0.2205177896166749,0.2267198263020538,0.22731765322000463,0.2301409540059436,0.23253046432227042,0.23605993517228951,0.23898376028300472,0.2411950140882549,0.2429809187022114,0.2460743124415388,0.2498667928341125,0.2506581078396184,0.2507319910032736,0.2511575246837659,0.25140397900017364],"n_dims_used":44,"mean_confidence":0.8965715928511186},"coverage":{"mean_confidence":0.8965715928511186,"n_dims_used":44,"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}}