{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002645},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002479","489:4890002994","489:4890002561","489:4890002824","489:4890002226","489:4890003297","489:4890002823","489:4890002825","489:4890002732","489:4890002309","489:4890002644","489:4890002730","489:4890002646","489:4890003592","489:4890002480","489:4890002482","489:4890002476","489:4890002995","489:4890002559","489:4890003391","489:4890002560","489:4890003143","489:4890002643","489:4890002399","489:4890001911"],"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":[0.9332780091756626,0.9239030231417135,0.9172764254724277,0.9016896777161746,0.8957912415555906,0.8708432023570308,0.864232951086018,0.8571029593780793,0.8532918434015367,0.8459120248047494,0.8393362734752394,0.8380559123633031,0.8349831711885886,0.8135372460334209,0.8092590416656517,0.8087358416910887,0.7972505022331507,0.7949844463923986,0.7804511886784408,0.7791902762258546,0.777619345388024,0.7721606744128948,0.7595444165140361,0.7503479968461312,0.744680812415294],"twin_dists":[0.048264459148551625,0.051672476018813744,0.053971063826316494,0.059085000570415186,0.06092979110349946,0.06830295209677321,0.07015937781742344,0.07212355541438695,0.07315834650887766,0.07513436411179368,0.07686635549815964,0.07720062446404988,0.07799905519608646,0.08343636177568907,0.08449554960022646,0.08462455355792001,0.08742903988993503,0.08797646939657461,0.09144548874014745,0.09174325066617756,0.0921135472427733,0.09339458926707753,0.09632388543377174,0.09843392668399467,0.09972459543113332],"n_dims_used":45,"mean_confidence":0.9140453762478299},"coverage":{"mean_confidence":0.9140453762478299,"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}}