{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001258},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001259","491:4910001061","491:4910001073","491:4910001509","491:4910001386","491:4910001253","491:4910001326","491:4910001260","491:4910001270","491:4910001322","490:4900004192","491:4910001393","491:4910001074","491:4910001681","491:4910002259","491:4910001125","491:4910001191","491:4910001855","491:4910001456","491:4910001117","491:4910001193","491:4910001122","491:4910001448","490:4900002375","491:4910001458"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491,491,491,491,491,490,491],"twin_sims":[0.6364141927183725,0.44531168171340135,0.41618289340424486,0.3652152714217917,0.33361018770868944,0.330449703694454,0.32678709864930117,0.24500112815593014,0.235146856127627,0.2323261598669036,0.23218543075731576,0.20132548208719442,0.1886488393488667,0.17996894753509152,0.17428660613121844,0.17019008383188847,0.14918581215799728,0.14140457608707552,0.1412241802296063,0.13892014925040622,0.1302616238637315,0.1291929093305254,0.12767324931306928,0.12486421020705733,0.12156272585696072],"twin_dists":[0.12347036856635804,0.16519920772994348,0.17196779563745743,0.18433653947586806,0.19244069230831784,0.1932732072203788,0.19424347139370024,0.21782491272320723,0.22098097570394573,0.2219002084783939,0.22194626194334144,0.23253209041304657,0.23720272840835227,0.2405288798460889,0.24276832949603888,0.24441531940202257,0.2533426632282027,0.25688439263855295,0.25696819946664307,0.25804566907701965,0.2622185106091116,0.2627479046784325,0.2635064065034982,0.2649266656134791,0.2666272860123666],"n_dims_used":45,"mean_confidence":0.896762932671441},"coverage":{"mean_confidence":0.896762932671441,"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}}