{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000235},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000144","490:4900000285","490:4900000239","490:4900000246","490:4900000410","490:4900000408","490:4900001082","490:4900000500","490:4900000608","490:4900000622","490:4900000512","490:4900000135","490:4900000583","490:4900000154","490:4900000813","490:4900000143","490:4900000394","490:4900000109","490:4900000496","490:4900000056","490:4900000467","490:4900000832","487:4870007610","490:4900000818","490:4900000842"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490],"twin_sims":[0.5563409239303395,0.5446878329510058,0.5339166854739597,0.5292974147002009,0.5043579874749834,0.5018377552518278,0.4992552137424923,0.48166412858118485,0.47747241111503,0.4456355200364885,0.44381901570779775,0.4279622444749537,0.4268427191827784,0.42464906902492805,0.4188576473557419,0.41567678372814426,0.4149553839701381,0.4132740697155737,0.4116727982204794,0.4031297748866595,0.3956584276531917,0.37948448605388374,0.37916169559251645,0.37102225700722125,0.36855792635956136],"twin_dists":[0.14064561507330955,0.14316180046553137,0.14549600310054853,0.14649989363801566,0.1519552559200606,0.1525103013182565,0.15307986484678554,0.1569825583260093,0.15791892792278817,0.16512496676325553,0.16554167356326246,0.16920809622431493,0.16946900517125996,0.16998106375056155,0.17133828372643883,0.17208710500849586,0.17225727463290116,0.1726543734953389,0.17303322012697567,0.17506548537589595,0.17685872564155303,0.18079550832769736,0.18087488194470352,0.18288737214726467,0.18350096650934475],"n_dims_used":45,"mean_confidence":0.9143766615125868},"coverage":{"mean_confidence":0.9143766615125868,"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}}