{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940004213},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["478:4780002109","470:4700005345","496:4960012030","490:4900008988","476:4760002360","487:4870003488","478:4780008459","467:4670001333","487:4870000967","496:4960005965","466:4660007625","487:4870006596","474:4740000968","487:4870004657","487:4870004511","500:5000007729","494:4940004569","470:4700005306","466:4660007778","490:4900001491","492:4920005095","494:4940004452","494:4940004333","487:4870000639","471:4710002240"],"twin_admin_codes":[478,470,496,490,476,487,478,467,487,496,466,487,474,487,487,500,494,470,466,490,492,494,494,487,471],"twin_sims":[0.005681157566539915,0.00482445098889766,0.004500462792478081,0.003548255722329333,0.003282279015372426,0.0010315261965578245,0.0009111762447522561,0.000531227987427647,0.0004766190313109875,0.0003561963920508621,0.00029808539021291495,0.0002824050277350756,0.00021137178671395407,0.00016419918947518472,0.00014783253622220577,0.00013610640352552583,0.00011517540348665391,0.0000966867146431608,0.00007958251534606184,0.00006978416245205504,0.00006536559954468282,0.00004747461458857029,0.000036494470481723086,0.0000337007297056268,0.000032311555031325875],"twin_dists":[0.41764696158695985,0.42419712861603204,0.42695237881245374,0.43624293726037866,0.43924531897676067,0.4816475805072728,0.4859727073990566,0.504351958465858,0.5079667664004847,0.5175470882682867,0.5233194303437512,0.525058258321035,0.5342845081650137,0.5421985405229339,0.545455234068378,0.5480048905140475,0.5531206163135678,0.5584311348627595,0.5642808433472519,0.5681946768172627,0.5701331549012943,0.5795172346183731,0.5871231798286316,0.5894067421190009,0.5906101578154458],"n_dims_used":45,"mean_confidence":0.9176737467447916},"coverage":{"mean_confidence":0.9176737467447916,"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}}