{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002258},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002263","490:4900002411","490:4900001255","490:4900003289","490:4900002412","490:4900001256","494:4940008964","490:4900003157","490:4900002260","490:4900003156","490:4900003014","490:4900003290","490:4900002259","490:4900001128","490:4900003295","490:4900002413","490:4900003677","490:4900002273","490:4900002716","490:4900003541","490:4900003821","490:4900002574","490:4900002560","490:4900002715","490:4900001954"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6424938667212622,0.5975648707757633,0.561399947833755,0.5345667588274109,0.45182413366243734,0.4119952396697567,0.38532580545186224,0.3444409976793005,0.34394904662474135,0.33269754399724344,0.30626688935539204,0.2997679426203717,0.2883948084991658,0.27987526174529986,0.2552413302148568,0.22339392697214555,0.2142967155483232,0.20648794484386002,0.18463926997365607,0.18100155809792967,0.17687542519932065,0.16337971896076775,0.160021107099345,0.15185396270234452,0.14818968296095372],"twin_dists":[0.12216461353893728,0.13179444260492348,0.13955576696225577,0.14535486900835512,0.16371010217838083,0.17295688179223837,0.17936471266604964,0.18961964004575782,0.18974673731955383,0.19268065116284666,0.19979562636307674,0.20159822487465887,0.20480880309718452,0.20726367211886684,0.21463076698384617,0.2248606064596856,0.22795793346866638,0.23068818459606882,0.23872550605285248,0.24012733028468658,0.24174171613595444,0.24721759432099527,0.24863076010648802,0.25215966977514,0.25378831912321265],"n_dims_used":45,"mean_confidence":0.9207721286349826},"coverage":{"mean_confidence":0.9207721286349826,"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}}