{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007991},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008900","490:4900008777","490:4900007879","490:4900010902","490:4900010592","490:4900009728","490:4900009523","490:4900010030","490:4900007897","490:4900007764","490:4900010316","490:4900008898","490:4900011627","490:4900010219","490:4900010995","490:4900012090","490:4900009425","497:4970001431","490:4900008211","490:4900008101","491:4910004851","490:4900011306","490:4900010215","490:4900008697","490:4900012023"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490,491,490,490,490,490],"twin_sims":[0.09096770953219457,0.05035780547132328,0.03678331600381588,0.015086460062037347,0.013679369396307439,0.011150069766247718,0.010395255655879695,0.007786450594550308,0.007625074349898155,0.00653255983630913,0.006351509713232658,0.005801726110579882,0.004278422637375319,0.004215152555388589,0.0039855679347119,0.0033549650013112507,0.0032808208075872933,0.003136212022264173,0.00281032783119248,0.002718964533494123,0.0025528365140480894,0.0024960708015618017,0.002413831885621157,0.0023879335056355817,0.0022644651409392874],"twin_dists":[0.2843777205787724,0.31752129687949193,0.33379061694645407,0.3761411628584605,0.38050638126330866,0.3894636629108005,0.3924877385332063,0.40471566665602426,0.4055875732718078,0.41196860489968956,0.4131177705083153,0.41679795898754163,0.4289465845316886,0.4295320403035242,0.43172574822148224,0.4384034059663279,0.43926238264977485,0.4409899478597123,0.44516663086323444,0.44641714115496206,0.4487929440779647,0.44963730924978274,0.45089234118722105,0.4512956953027674,0.45327560618535034],"n_dims_used":45,"mean_confidence":0.8866873847113715},"coverage":{"mean_confidence":0.8866873847113715,"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}}