{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012022},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012025","490:4900011820","490:4900011822","490:4900011819","490:4900011821","490:4900010026","490:4900011561","490:4900011362","490:4900011624","490:4900010126","490:4900011294","490:4900011496","490:4900011755","490:4900011495","490:4900010027","490:4900008774","490:4900010392","490:4900008545","490:4900008436","490:4900007886","490:4900010829","490:4900008657","490:4900012091","490:4900010308","490:4900011754"],"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":[0.39144191812889406,0.3612384142923421,0.3441113435272138,0.30574348841549787,0.3022668534004864,0.2369014154413254,0.23358797657997976,0.22689686394558614,0.22379775511820632,0.21884236262946205,0.2088781430500694,0.20005043314638538,0.19981002518664537,0.1943785489806768,0.18059374763401742,0.17402416939211504,0.16201969879326708,0.1540754881229402,0.1508948964057415,0.15052137184457048,0.1431033202068493,0.1331537042553469,0.13056514755645765,0.129874017862694,0.12926229226421315],"twin_dists":[0.17787761994186282,0.18533568158465916,0.18970479667963255,0.19993997433041508,0.20090244361166032,0.220412822972612,0.2214880968215112,0.2236904503120681,0.22472508808449995,0.22639947813975608,0.22984513271338577,0.23299249756997106,0.2330795327993278,0.23506548419357418,0.24028572061045853,0.2428730061528249,0.24778727215412594,0.25118629805710846,0.2525831226877433,0.25274857918918214,0.2560990790463772,0.26080214421865944,0.26206875641275973,0.2624101331695388,0.2627134352321471],"n_dims_used":45,"mean_confidence":0.8861378139919704},"coverage":{"mean_confidence":0.8861378139919704,"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}}