{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000896},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008733","494:4940008501","494:4940007905","494:4940008507","490:4900000655","494:4940008405","494:4940008406","494:4940008668","494:4940008742","490:4900004280","496:4960007779","494:4940008870","494:4940008495","494:4940008582","490:4900000665","490:4900001838","490:4900000920","494:4940007824","490:4900000787","490:4900003176","490:4900001570","490:4900007729","490:4900001020","494:4940008408","494:4940006941"],"twin_admin_codes":[494,494,494,494,490,494,494,494,494,490,496,494,494,494,490,490,490,494,490,490,490,490,490,494,494],"twin_sims":[0.639079340912845,0.6044838766991177,0.562506744503004,0.5406371224333332,0.526011096751074,0.5134038995745172,0.5098843992603768,0.5075749365852874,0.5061056749941047,0.5010096727236902,0.5001415047545748,0.49259989715513075,0.4773702903899497,0.4689417942540377,0.455397054746948,0.4489198494037904,0.4450025505406077,0.44486178353869005,0.44178817595228254,0.44144787734640495,0.4323616054837078,0.42852940153075175,0.422925862555764,0.4216768818682333,0.41474531564027534],"twin_dists":[0.12289814437371482,0.1303127601218429,0.13931751389292454,0.14403859148001777,0.14721523429585387,0.1499690364132225,0.15074072995040938,0.15124785118310563,0.1515707923154451,0.15269284110461395,0.1528843068185266,0.154551513218915,0.15794177307979954,0.15983287799475823,0.16289653172749627,0.16437317746569852,0.16527009627468273,0.16530238255798974,0.1660083264261208,0.16608660246541304,0.16818550451662032,0.1690760255663338,0.17038407986998796,0.17067661603324866,0.1723068512352841],"n_dims_used":45,"mean_confidence":0.9177356296115451},"coverage":{"mean_confidence":0.9177356296115451,"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}}