{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910002901},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002850","491:4910003221","491:4910002601","491:4910003390","491:4910002851","491:4910002502","491:4910002903","491:4910002902","491:4910003516","491:4910002999","491:4910003178","491:4910002799","491:4910002494","491:4910003047","491:4910003265","491:4910002755","491:4910003517","491:4910002703","491:4910002754","491:4910002441","491:4910002890","491:4910002602","491:4910003344","491:4910003220","491:4910002437"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5448565476043054,0.393384044050148,0.382925686690891,0.37928845841442355,0.3753126679685119,0.3724568561633879,0.34676111228101186,0.3432624505796445,0.28273850372851844,0.27608659149896847,0.24671650612773832,0.23303131750205813,0.22937986650016198,0.2197548050667349,0.21704301613905203,0.20468310236841764,0.1904650380826125,0.159633100274204,0.151708309520665,0.15164117847533354,0.1506672164971324,0.14709451951678734,0.1383521702807882,0.13569680451800228,0.13335294541965123],"twin_dists":[0.143125307111952,0.1774076875887438,0.17995133932661386,0.180843707285537,0.1818238943764472,0.1825311019275119,0.18902152342516015,0.18992428346940374,0.2064336753604104,0.20836990254042018,0.21728396468960942,0.2216697220095782,0.22286824123010304,0.22608927929932557,0.2270137469534127,0.2313292006880187,0.23652042100338921,0.2487954011895143,0.2522238526265929,0.2522534495251106,0.2526839399056314,0.25428084104649706,0.2583133283426925,0.25957568115009805,0.2607054237993703],"n_dims_used":45,"mean_confidence":0.8954771253797743},"coverage":{"mean_confidence":0.8954771253797743,"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}}