{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002891},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002135","490:4900003997","490:4900002446","490:4900004137","490:4900003857","490:4900002889","490:4900003564","490:4900004536","490:4900004124","490:4900003177","490:4900003708","490:4900001417","490:4900001991","494:4940008002","490:4900002130","490:4900003298","490:4900001987","490:4900002129","490:4900002282","490:4900004541","494:4940006942","490:4900004421","490:4900002435","490:4900004002","490:4900001683"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.8336632808981718,0.5813610106143061,0.5763439006030187,0.54947706581669,0.4936095910964946,0.4706633437983721,0.4050388804469091,0.402026483140064,0.36076561514342154,0.35250372090950505,0.3458736741763761,0.3371703863107792,0.33413712326295175,0.33208929213806154,0.3224384684273973,0.31692467067439467,0.29973540411747157,0.29834393342008764,0.2954105934559292,0.2809837109044412,0.2797875634228778,0.2782285546171835,0.2670859315520687,0.26191491197017014,0.2595429005975362],"twin_dists":[0.07834041520592434,0.13526705047968507,0.13634356381239454,0.14212663573998788,0.15432787837230583,0.15944569833478814,0.1746096881974588,0.1753293374249732,0.18545483765971144,0.18755010094442884,0.18925005067197254,0.19150801308452972,0.19230230941712334,0.19284077659580823,0.1954033163647507,0.19688656712414515,0.20160730699301777,0.20199623459431912,0.20281963136005446,0.20694174721223843,0.20728917519751044,0.20774335571364574,0.21103583798702194,0.2125927214428694,0.21331332178681256],"n_dims_used":45,"mean_confidence":0.9205148484971788},"coverage":{"mean_confidence":0.9205148484971788,"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}}