{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010085},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010275","490:4900009777","490:4900010448","490:4900010173","490:4900010076","490:4900010078","490:4900010179","490:4900010174","490:4900008832","490:4900009272","490:4900009879","490:4900010875","490:4900011393","490:4900009673","490:4900010534","490:4900010181","490:4900009889","490:4900009468","490:4900010533","490:4900010872","490:4900009989","490:4900009880","490:4900010178","490:4900007712","490:4900010535"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6411688453856331,0.5325084635271021,0.4324266631885001,0.40524660564023335,0.36292037823954887,0.3556702098630515,0.31869913436952874,0.24852165833197393,0.22231278746516303,0.22060234353279912,0.1963810238425696,0.18790383162860902,0.14602354170886175,0.14425262909699024,0.12734258189211803,0.1242577480757541,0.12335541230501323,0.1181991187460135,0.10831448566600879,0.10734590731798141,0.10403696769677191,0.1035186988520938,0.09701062968503271,0.09462337155109432,0.08892808816228745],"twin_dists":[0.12244932083080358,0.1458018551357041,0.1681704142275878,0.17456015206672462,0.18491243010342778,0.1867441000549024,0.1964076523742137,0.21671731021515603,0.2252242255859916,0.2258019177174203,0.23432888531013057,0.2374839419658334,0.25476511433774507,0.2555716840922769,0.2636723553688477,0.265236472232488,0.26569955845283943,0.26839653213217735,0.2738299006514722,0.2743826471449181,0.27630069862951145,0.27660540231820085,0.2805369929010222,0.282031100476508,0.2857195763758016],"n_dims_used":45,"mean_confidence":0.9130872938368055},"coverage":{"mean_confidence":0.9130872938368055,"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}}