{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007876},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930007119","470:4700004499","470:4700004700","490:4900007762","496:4960000214","496:4960002673","496:4960001070","494:4940003591","496:4960003263","487:4870003130","496:4960009525","494:4940003717","496:4960004961","466:4660001076","496:4960002132","496:4960003235","493:4930007032","496:4960001072","494:4940003590","470:4700005192","466:4660004277","487:4870004692","490:4900007759","466:4660000664","469:4690001175"],"twin_admin_codes":[493,470,470,490,496,496,496,494,496,487,496,494,496,466,496,496,493,496,494,470,466,487,490,466,469],"twin_sims":[0.3594427648350132,0.2909008221900237,0.27344790036562566,0.2676708764872207,0.2643335287193458,0.24031675597411883,0.22268475680159835,0.2141122589471988,0.19674227788489945,0.1927203437550023,0.18594785480329284,0.1798448786981945,0.17706289634294653,0.17254899693586717,0.17170440832250686,0.16997414758138438,0.1674020763925475,0.16464999543250342,0.1575156447187928,0.15749419904779785,0.15749054679143204,0.15239599808709656,0.15118528081981475,0.15008491643070826,0.1487967334780911],"twin_dists":[0.18578864959533603,0.20409500987654527,0.20914584900377522,0.21086090957970788,0.2118621621982835,0.21931470630641567,0.22509898849390952,0.22802164205410927,0.23419655523566316,0.2356794455534573,0.23822599301867328,0.240577235992785,0.24166778976628892,0.24346350803933337,0.2438032183871665,0.24450292027081014,0.24555255782578433,0.24668860068267762,0.2496990612848234,0.2497082587530096,0.24970982519801393,0.25192121555029356,0.2524547020013598,0.2529422948338981,0.2535164702273534],"n_dims_used":45,"mean_confidence":0.9180684407552083},"coverage":{"mean_confidence":0.9180684407552083,"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}}