{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002794},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003723","494:4940008748","490:4900001447","490:4900002324","490:4900002475","490:4900000572","490:4900002777","490:4900006050","490:4900000766","487:4870010192","490:4900000607","490:4900001890","490:4900004157","493:4930007151","490:4900001209","490:4900004297","494:4940008487","490:4900001606","490:4900002312","490:4900002013","490:4900001036","490:4900000687","494:4940008747","490:4900005803","466:4660013953"],"twin_admin_codes":[490,494,490,490,490,490,490,490,490,487,490,490,490,493,490,490,494,490,490,490,490,490,494,490,466],"twin_sims":[0.2600004466375788,0.2214317049093683,0.20838499481012399,0.19483887335756897,0.19326913205295393,0.19161789413264535,0.18682171387125443,0.18617218024334847,0.18486807983689638,0.1805236624547177,0.17359143543083194,0.17338410703894647,0.1708811248010401,0.16684795296727375,0.15904250846950485,0.15816495055502847,0.15126072860825415,0.14916097081121193,0.1431479540779983,0.1401247151107856,0.1398645636804279,0.13905696436344445,0.13778073170178132,0.13669551495958276,0.13288873736934417],"twin_dists":[0.21317400139666134,0.2255214334719266,0.23001853158141955,0.23489569204429103,0.23547584766000876,0.23608967282090176,0.23789379794255078,0.23814061188771302,0.23863798547065648,0.24031296661788026,0.24304585475333504,0.24312877782029257,0.24413551325214988,0.2457802076978463,0.24904656396328628,0.24942102295581198,0.252421365381433,0.25335375021761297,0.2560785388676679,0.25748071128395694,0.2576024182115434,0.2579813173307057,0.2585834478072137,0.25909874578538256,0.2609309395519322],"n_dims_used":45,"mean_confidence":0.9085494995117187},"coverage":{"mean_confidence":0.9085494995117187,"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}}