{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001569},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001967","491:4910001560","491:4910001060","491:4910001515","491:4910001968","491:4910001966","491:4910001628","491:4910001191","491:4910001458","491:4910002206","491:4910001514","491:4910001256","491:4910001383","491:4910001122","491:4910001570","490:4900003109","491:4910001507","491:4910001076","490:4900003111","490:4900003638","491:4910001193","491:4910001331","491:4910001443","491:4910001456","491:4910001196"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,490,490,491,491,491,491,491],"twin_sims":[0.8500198929913403,0.6005450542579543,0.5856457325106385,0.5651968263943662,0.5489168982338105,0.5426359569852128,0.4694575424560688,0.4523503268672728,0.4276178623345959,0.40841717222900153,0.40135520995361285,0.39615368138944385,0.3960884384344963,0.3566889600297054,0.35570901690687257,0.3386531780155855,0.335843365221293,0.33215215428721256,0.32330315460921216,0.31613617691493395,0.3134499075666569,0.29671658398065404,0.2967153061069724,0.2808330759303586,0.27623068449405197],"twin_dists":[0.07403883019093191,0.1311562075297878,0.13434826451853407,0.13873868998190672,0.14224763347981906,0.14360578756341366,0.1597168348936842,0.16359013721954666,0.16928832562859378,0.17380546572153457,0.17549003213848569,0.17673938086078367,0.1767550989859509,0.18648557628217508,0.1867342451681012,0.1911211323087911,0.19185503099328094,0.19282422039386768,0.19517200184971345,0.19709986152324718,0.19782879200355838,0.20245244483277058,0.20245280364837545,0.20698545057308576,0.20832766088074808],"n_dims_used":44,"mean_confidence":0.8945475491610441},"coverage":{"mean_confidence":0.8945475491610441,"n_dims_used":44,"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}}