{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000550},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000200","500:5000000294","500:5000000292","485:4850007590","500:5000000549","485:4850007414","500:5000000020","500:5000000450","485:4850007539","485:4850007946","500:5000000243","500:5000000245","500:5000000296","485:4850007470","485:4850007341","500:5000000563","500:5000000125","500:5000000389","500:5000000199","485:4850007595","485:4850007061","485:4850007413","485:4850007639","485:4850007536","500:5000000512"],"twin_admin_codes":[500,500,500,485,500,485,500,500,485,485,500,500,500,485,485,500,500,500,500,485,485,485,485,485,500],"twin_sims":[0.7786052174633733,0.7529435715048836,0.6906468152152277,0.6694147723623515,0.665902894466321,0.6649691972144139,0.6469450519399428,0.638297555526139,0.6361393754109315,0.6341887718781795,0.6242458231398034,0.622010043746001,0.6206452734453387,0.6145516611905453,0.6138960695546513,0.6099484861873362,0.5905197101241149,0.590395660378796,0.5872899980886951,0.5804903542479104,0.5794803317780962,0.5765923286523497,0.5760375951068935,0.5755268968514903,0.5717966164284292],"twin_dists":[0.09188124654904953,0.0978404073010196,0.11174138646777819,0.11635933945292738,0.11711934412411584,0.11732124802403826,0.12120761056010607,0.12306602646878526,0.12352935867878598,0.12394798416590881,0.12608010819771465,0.1265592112525987,0.12685162081032553,0.12815687521582245,0.1282972776736267,0.12914263119671024,0.13330365272195915,0.1333302336074212,0.13399580136614112,0.13545380978549254,0.1356704920511868,0.1362902397373882,0.13640931398024583,0.1365189454699916,0.13732001380521147],"n_dims_used":45,"mean_confidence":0.9211553785536024},"coverage":{"mean_confidence":0.9211553785536024,"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}}