{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002089},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001935","490:4900001787","490:4900002539","490:4900002242","490:4900002540","490:4900001786","490:4900002088","490:4900002241","490:4900012978","490:4900001788","490:4900002391","490:4900013015","490:4900012977","494:4940007741","490:4900013233","490:4900001933","490:4900012534","494:4940005574","490:4900012462","490:4900007167","490:4900012979","490:4900002240","494:4940005573","494:4940003837","490:4900013016"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,490,490,494,494,490],"twin_sims":[0.08138784377878316,0.07826306760714397,0.05396633776737245,0.04297536722899551,0.033649296269005,0.03169928423825589,0.0310669719223997,0.0163002857871932,0.012446868694925181,0.010305381928628688,0.009823576118936713,0.008284428357190647,0.00581663972269572,0.005724676733648272,0.005205603175128033,0.005084465678648791,0.004848137849568779,0.0032038499875892724,0.003032844639547752,0.0015627354464726982,0.0012641052097411495,0.001218131183013001,0.0011287755549731636,0.0011251709787284468,0.0010882048408643954],"twin_dists":[0.29090315930594024,0.29316440406896327,0.3138233536387714,0.3258337449699657,0.33826074560102404,0.34122460550272427,0.3422191518140783,0.3726548136877375,0.38466912235765904,0.3928607284085025,0.3949111393677695,0.4021236966022763,0.41669405211416416,0.41733865392752034,0.42116274578069307,0.42210468468256873,0.4240023347232525,0.4401730553097063,0.4422699908627464,0.46687367338224417,0.474473674824739,0.4757888486408863,0.4784820700577691,0.47859480844966606,0.47977069605445855],"n_dims_used":45,"mean_confidence":0.9137996249728733},"coverage":{"mean_confidence":0.9137996249728733,"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}}