{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010854","490:4900010500","490:4900010514","490:4900010429","490:4900010501","490:4900010918","490:4900011912","490:4900010671","490:4900011844","490:4900010508","490:4900010757","490:4900010332","490:4900011517","490:4900010690","490:4900010416","490:4900010586","490:4900010062","490:4900010244","490:4900010333","490:4900010516","490:4900010060","490:4900011252","490:4900011381","490:4900010251","490:4900011910"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4558646802645845,0.3562806538815334,0.3386817879833481,0.33478317328417556,0.32503475176425606,0.3069386613561236,0.294888127870135,0.26122525707236666,0.2565350657203626,0.2435971065076185,0.23744432264297566,0.2360599097498405,0.23200609722618373,0.23129517880532804,0.23023317599101487,0.22714746153759072,0.22192313219358065,0.2204491182610994,0.2115324127796801,0.2101882872573868,0.18751854694803494,0.17961948923356336,0.17737245355645978,0.1618868899052002,0.15946364326315915],"twin_dists":[0.16279022452473396,0.1865891445724284,0.1911136765590472,0.19213280674902541,0.19470981116447972,0.19961056792916146,0.2029667935119258,0.21280180977062094,0.21423306804751055,0.21826949308404509,0.2202375785104785,0.22068497068294804,0.2220049752749714,0.22223802237584195,0.2225870392963472,0.22360719925573144,0.2253555673873867,0.22585381460454143,0.22891659892256763,0.229385813957085,0.23762967967492787,0.24066514262467986,0.24154584237486298,0.24784308795554347,0.248867397413044],"n_dims_used":45,"mean_confidence":0.8894234551323785},"coverage":{"mean_confidence":0.8894234551323785,"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}}