{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002140},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003031","490:4900001682","490:4900001419","490:4900001155","490:4900002888","490:4900002430","490:4900003187","490:4900006517","490:4900003984","490:4900005233","490:4900005760","490:4900001145","494:4940008301","490:4900005107","490:4900004291","490:4900006985","490:4900007257","490:4900012421","490:4900005882","490:4900004140","490:4900003309","490:4900002283","490:4900012492","490:4900001547","494:4940007900"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.5351429221331218,0.4642198430881742,0.4593312602323546,0.44910826895422384,0.4342463364800765,0.4319983934215852,0.42710159642431567,0.4199764030876689,0.383732295373111,0.375790546545454,0.3655586031521351,0.35935985605438825,0.3391712615570744,0.3125810934105565,0.31185213147149515,0.3097553244728245,0.30012782278683947,0.29804236858361344,0.2969354764458342,0.2967791082143425,0.2965499825767837,0.2941147358130737,0.29045409814193807,0.2863076863596108,0.2854957867138079],"twin_dists":[0.14522981008585867,0.16089735456316634,0.16200337908746906,0.16433011095668337,0.16774870631377162,0.16826976927340978,0.16940864797097233,0.17107548942838746,0.1797539961135911,0.18170581181158804,0.18425053945860959,0.18580959192111704,0.19098617233033605,0.19806530770743017,0.19826404094040698,0.1988371672756965,0.20149781386784507,0.2020806645843103,0.2023909951804993,0.20243488969265291,0.2024992327028031,0.20318491675589614,0.20422198197449462,0.20540611741180528,0.205639180691588],"n_dims_used":45,"mean_confidence":0.9154625786675348},"coverage":{"mean_confidence":0.9154625786675348,"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}}