{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000001821},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000858","500:5000002153","500:5000002281","500:5000001915","500:5000001468","500:5000001039","500:5000001923","500:5000001261","500:5000001466","500:5000002038","500:5000001367","500:5000000841","500:5000001730","500:5000001156","500:5000000961","500:5000001081","500:5000001370","500:5000001910","500:5000002404","500:5000001040","500:5000001720","500:5000000722","500:5000000739","500:5000000795","500:5000000966"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500],"twin_sims":[0.6570229083964417,0.6300701683444107,0.6153692218095936,0.5901203663345399,0.5862863694452847,0.5743459915733851,0.5525705859104348,0.5510760411146858,0.5464266296413338,0.5282018585566118,0.515500653368728,0.5103948708297856,0.5096821321732902,0.5091967204546298,0.5065200353302124,0.48948372277715024,0.48199619930092014,0.4810094907160641,0.47201389384368886,0.46978542569044934,0.4560844447640345,0.45356114497921873,0.4523221295525327,0.4506471136544983,0.4503866224190326],"twin_dists":[0.11903709071654917,0.12483148839270115,0.1279817795437331,0.13338922354292743,0.1342109307863636,0.13677248579955667,0.14145878795832567,0.1417813639393366,0.14278578985297663,0.14673825833033435,0.14950992899595272,0.15062871886842408,0.15078512073153844,0.1508916707488021,0.15147969156533786,0.155242562973185,0.15690848951483222,0.15712862340736894,0.15914229088287288,0.15964308378550057,0.16274027826971926,0.16331428257582137,0.1635965645173626,0.163978634697926,0.1640381000176441],"n_dims_used":45,"mean_confidence":0.9224962022569444},"coverage":{"mean_confidence":0.9224962022569444,"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}}