{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003074","489:4890002910","489:4890002249","489:4890002345","489:4890001651","489:4890003249","489:4890001746","489:4890001733","489:4890002553","489:4890003573","489:4890002634","489:4890003587","489:4890003517","489:4890003424","489:4890002895","489:4890002552","489:4890002225","489:4890003171","489:4890003440","489:4890002409","489:4890002822","489:4890002564","489:4890002483","489:4890002061","489:4890002993"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8287038007531325,0.8169138762949766,0.8080999081269495,0.7804591823135945,0.7716087989268363,0.7665630851485545,0.7659241333125348,0.7644909339828476,0.7635460360944404,0.7616871415681266,0.7595610660019317,0.7563292436679703,0.7559248618049851,0.7455733414790308,0.7409943408305325,0.7407390432574767,0.73698239429467,0.7252582157565433,0.720080565031471,0.7056569028176713,0.7005888782652053,0.6935854129742416,0.6722003591436502,0.669855515066981,0.6698039775084832],"twin_dists":[0.07961475239974139,0.08259478359950438,0.0847812017508502,0.09144359950400713,0.09352362640746724,0.09469948214391367,0.09484789147203898,0.09518038786494476,0.09539930619673787,0.09582931120956402,0.09632004690060185,0.09706386663729968,0.09715675883590884,0.09952179012676471,0.10056048135942205,0.1006182646422359,0.10146701891185815,0.10409867978712035,0.1052531847466299,0.10844731732349631,0.1095626660091124,0.11109863017022735,0.11575581683101564,0.116263890423554,0.11627505240779566],"n_dims_used":45,"mean_confidence":0.9139846801757813},"coverage":{"mean_confidence":0.9139846801757813,"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}}