{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012429},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012574","490:4900012428","490:4900012500","466:4660005885","490:4900005227","490:4900012501","490:4900004949","466:4660006716","466:4660006457","490:4900012850","490:4900005089","490:4900005223","466:4660006717","466:4660005765","466:4660006581","490:4900005621","466:4660006456","466:4660007138","490:4900005370","494:4940008107","487:4870004082","490:4900007360","490:4900003842","490:4900005087","466:4660007584"],"twin_admin_codes":[490,490,490,466,490,490,490,466,466,490,490,490,466,466,466,490,466,466,490,494,487,490,490,490,466],"twin_sims":[0.5496846241247593,0.47832431118667085,0.3326711661556676,0.3123279032066166,0.2856544113881443,0.26505091157203325,0.24900780885609758,0.22699808751229714,0.1896019822169724,0.1877220458819802,0.1772124214033899,0.1636008086641456,0.1600213898346686,0.15962714208929676,0.1582960520243457,0.15704832916198924,0.15446499629661534,0.14425549646207128,0.1417778324873715,0.12602436259693267,0.12417226425475018,0.12110847527762986,0.12031475416206525,0.11125658289269241,0.11053453292020021],"twin_dists":[0.1420818077515431,0.15772841309554803,0.19268759194865895,0.19813430368678997,0.2055936147483825,0.21164627559098845,0.21656515436348547,0.22365681548591432,0.236844082817632,0.23755267807603714,0.24160886674847382,0.24712531039305793,0.24863064024066947,0.24879793166578426,0.24936498519081288,0.2498996876094334,0.25101669525003806,0.2555703722216424,0.2567112406017184,0.26433718068137896,0.2652802333598856,0.26686401862750025,0.267279297970401,0.27217405522510923,0.27257726776871677],"n_dims_used":45,"mean_confidence":0.9178248087565104},"coverage":{"mean_confidence":0.9178248087565104,"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}}