{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000745},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000746","490:4900000861","490:4900000636","490:4900000638","494:4940008048","490:4900013299","490:4900000633","494:4940007326","490:4900012976","490:4900013048","490:4900000637","494:4940008047","490:4900012302","490:4900000639","490:4900012788","490:4900000860","490:4900013117","490:4900012303","494:4940007833","490:4900013083","490:4900000859","490:4900013085","490:4900012301","490:4900000532","490:4900000744"],"twin_admin_codes":[490,490,490,490,494,490,490,494,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.7800844959974406,0.2970968810407583,0.13557176873138338,0.07892829176083589,0.035871290795679925,0.031030374320656633,0.028584773990920468,0.02742646561002198,0.02698349802643156,0.02080590747634665,0.02003836640202593,0.018797040290246987,0.018604195896243857,0.014432499470361314,0.014234270404410661,0.011011876428387893,0.010381870166063775,0.009691175503225038,0.007074236899477411,0.00705365884070882,0.005899691264315968,0.005730280494552745,0.005639849781789808,0.004278239326370248,0.004050799147278297],"twin_dists":[0.09153213269181547,0.20234570115669412,0.25963557723846115,0.2926770220104312,0.33505694734440705,0.34227724379075064,0.34629911568427135,0.3483081128357331,0.3490957504357201,0.3614394763824555,0.3631893780117685,0.36614729264657214,0.36662204301111806,0.3781231722511696,0.37873960546827823,0.39000341551458845,0.3925431079335274,0.39549029276156056,0.4086940131793629,0.4088142237823027,0.41611977289915464,0.4172991085420507,0.4179415827683375,0.42894826936827346,0.4310910104607161],"n_dims_used":45,"mean_confidence":0.9111972384982638},"coverage":{"mean_confidence":0.9111972384982638,"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}}