{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001590},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002339","490:4900002184","490:4900001434","490:4900001736","496:4960011985","496:4960009067","496:4960008026","490:4900001734","496:4960011904","490:4900002939","490:4900001574","490:4900002175","490:4900000788","490:4900001727","494:4940006477","496:4960004512","494:4940006151","470:4700001964","496:4960005976","470:4700001962","496:4960006645","470:4700003303","496:4960011993","496:4960011820","487:4870002894"],"twin_admin_codes":[490,490,490,490,496,496,496,490,496,490,490,490,490,490,494,496,494,470,496,470,496,470,496,496,487],"twin_sims":[0.7073082089742636,0.6502664283708616,0.582311804221071,0.5421801671187453,0.5055845303079716,0.4566666057572388,0.4541111494336885,0.44649106156907586,0.42840460793966506,0.42784602584775844,0.4270173456675691,0.4198055367721541,0.41793864270394576,0.41467302689969804,0.39599827955491584,0.37946328219804976,0.36794095179532194,0.35740766109606653,0.3549954564684973,0.3484591213644657,0.3457430357367621,0.33601014881388114,0.33578722051975923,0.33549859810342036,0.33184353249693177],"twin_dists":[0.10808316339228458,0.12049288649530336,0.13506312635074397,0.14370445302159027,0.15168539870063727,0.16260801173504022,0.16318906732644428,0.16492892997899855,0.16910507938695915,0.16923516826991394,0.16942828936889798,0.17111560647092403,0.17155438017434357,0.1723239140495435,0.17677682173713719,0.18080072131593256,0.1836549068614066,0.1863034233977856,0.18691553974265424,0.188585121633749,0.1892837179935327,0.1918113761283488,0.19186972926166507,0.1919453095089817,0.19290551952765714],"n_dims_used":45,"mean_confidence":0.9173802693684896},"coverage":{"mean_confidence":0.9173802693684896,"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}}