{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002020},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002016","490:4900001863","490:4900002899","490:4900003623","490:4900001870","490:4900002608","490:4900002332","490:4900002482","490:4900002150","490:4900002017","490:4900003356","490:4900002491","490:4900003897","490:4900002148","493:4930005143","490:4900002022","490:4900001699","490:4900003216","493:4930005260","490:4900002333","490:4900002164","490:4900003330","490:4900003074","490:4900001333","490:4900002480"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,493,490,490,490,493,490,490,490,490,490,490],"twin_sims":[0.738016147314917,0.6838648762529289,0.679492072049271,0.6531318546354437,0.6452619608372857,0.6260824592537606,0.5604001511606244,0.5362489961530851,0.49949862643494136,0.49916563201318376,0.4868292900724181,0.4837958308280724,0.4791753500368412,0.47214291822026083,0.4636404688450181,0.4439695031752236,0.43386412508479233,0.432044574400511,0.43011057100255673,0.4299993958256122,0.4287234183011623,0.4283088431624097,0.4277707451227324,0.42704596972514197,0.4239249715499021],"twin_dists":[0.10123373887088448,0.11322119781807752,0.11417285499397534,0.11987580492377903,0.12156958305640633,0.12568645933451683,0.1397710408696167,0.14498980695972763,0.15302614675320264,0.1530996362446532,0.15583225674010828,0.1565073576060682,0.1575381999296055,0.15911332016509563,0.1610282211707332,0.1655071268704447,0.1678372245206168,0.16825905375437497,0.16870820490396551,0.16873404904318248,0.169030862437527,0.16912737721811627,0.1692527058260419,0.16942161605668818,0.17015032921710746],"n_dims_used":45,"mean_confidence":0.9175001356336806},"coverage":{"mean_confidence":0.9175001356336806,"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}}