{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002258","490:4900002413","490:4900002411","490:4900001128","490:4900001256","490:4900002263","490:4900002414","490:4900003157","490:4900003677","490:4900002412","490:4900003014","490:4900002715","490:4900002560","490:4900002857","490:4900003815","494:4940008964","490:4900002260","490:4900003541","490:4900003290","490:4900003289","490:4900002259","490:4900002864","490:4900002716","490:4900003295","490:4900003013"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490],"twin_sims":[0.561399947833755,0.4297180483074684,0.387118683094119,0.38513641462832554,0.35690369327967686,0.3374133840649649,0.3196156938013061,0.30938318260666337,0.30467231697369634,0.29707132466270675,0.28525694382385913,0.2792574170361592,0.27720158492385255,0.23919705842831973,0.22555561481803318,0.22542752527029583,0.21818071930996324,0.20583710284764736,0.18738554875620453,0.1756326841255454,0.16327723743935396,0.16026217878723376,0.15381559181162371,0.1510662240782609,0.1409587498184538],"twin_dists":[0.13955576696225577,0.16879946416415573,0.17892763934478684,0.17941093930466812,0.18643113293966843,0.19144454884294107,0.19616086768682528,0.19893911782355014,0.20023583723078334,0.20235287192856113,0.20570781854533296,0.20744344775128537,0.20804338643511586,0.2196735911626193,0.22413706670617856,0.2241798107880039,0.22662495705887672,0.2309188972589345,0.237680036293704,0.2422331874576916,0.24726040128038307,0.24852861347092683,0.2512996390162895,0.25250733213826604,0.2570916559957811],"n_dims_used":44,"mean_confidence":0.9168815612792969},"coverage":{"mean_confidence":0.9168815612792969,"n_dims_used":44,"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}}