{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003581},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002745","490:4900003711","490:4900002881","490:4900002450","490:4900004538","490:4900002885","490:4900003701","490:4900003044","490:4900005755","490:4900004409","490:4900002132","490:4900005108","490:4900004952","490:4900005100","490:4900002893","490:4900001984","490:4900001285","490:4900003439","490:4900003312","490:4900003454","490:4900001550","490:4900012636","490:4900004003","490:4900001829","490:4900004693"],"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":[0.559496966332696,0.5063798271730411,0.4325782079953909,0.4254884000131637,0.33279855593187435,0.3290946894586952,0.32631128120286007,0.32376035589709556,0.31741813588323103,0.30915490920555533,0.30475714682929445,0.30458159098605025,0.29693082026905165,0.2843422189794338,0.27604092437710154,0.23364222943784113,0.23207023334914234,0.22747707355168656,0.22659316372298918,0.22113287781474955,0.2199679506775337,0.20993428211040743,0.2023637229090877,0.2008564199655067,0.19829625295013292],"twin_dists":[0.1399655576151524,0.1515105153430221,0.16813526660210654,0.16978501146433883,0.1926540747285355,0.19363147201828257,0.1943699600878784,0.19504983405805587,0.19675323300753023,0.1990016895424943,0.20021238486834508,0.2002609238454864,0.20239230203092032,0.2059710093168706,0.20838329292333227,0.22147041054758862,0.22198397384771634,0.22349779142551562,0.22379142433714,0.22562241362571342,0.2260169416007531,0.2294747122746264,0.23215867213989425,0.23270122986102948,0.23362923228255728],"n_dims_used":45,"mean_confidence":0.9185988532172309},"coverage":{"mean_confidence":0.9185988532172309,"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}}