{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001397},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001459","491:4910001961","490:4900006923","491:4910001743","491:4910001912","490:4900007538","490:4900006316","490:4900006434","491:4910001750","491:4910001919","491:4910001803","491:4910001566","491:4910002517","491:4910001865","490:4900004479","490:4900002217","491:4910002260","490:4900007412","490:4900005821","491:4910002208","491:4910002067","490:4900006191","491:4910001626","491:4910002207","491:4910001752"],"twin_admin_codes":[491,491,490,491,491,490,490,490,491,491,491,491,491,491,490,490,491,490,490,491,491,490,491,491,491],"twin_sims":[0.4243636070732181,0.03416659959189272,0.03159695469472982,0.02760417378507462,0.013631844181359473,0.009210887671174478,0.006800104553316193,0.006271069036175408,0.006233812482847238,0.005430338916826536,0.00487299560627998,0.004085020103165221,0.0038017763097046475,0.0036009190639870927,0.0031105507641610184,0.002356193678472042,0.002219902263252869,0.0018453140786771802,0.001757756512035734,0.001697114457740873,0.0014292115763160072,0.001389833580460753,0.0011320260954620959,0.0009630836265215361,0.0009128226681300236],"twin_dists":[0.1700477791358798,0.3374991271219622,0.3413843990290546,0.3479952070629622,0.380660626321064,0.39765222618600354,0.41032188340880676,0.41363784318653624,0.4138807581665455,0.4194665969103359,0.4237988369574257,0.4307617284359236,0.4335663589211224,0.43567291283611276,0.44130408531025106,0.45179553503200265,0.4540146118923654,0.46082959285974795,0.4626054488933579,0.46388381125126127,0.47008939755202567,0.471090814002458,0.47838069025347996,0.48404590132484954,0.48591004444338237],"n_dims_used":45,"mean_confidence":0.8966348436143663},"coverage":{"mean_confidence":0.8966348436143663,"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}}