{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003595},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001572","490:4900004149","490:4900001862","490:4900003330","490:4900002021","490:4900003460","490:4900002327","490:4900001722","490:4900001708","490:4900001999","490:4900002178","490:4900003455","490:4900002303","487:4870002893","490:4900002333","490:4900002767","490:4900003466","490:4900001165","490:4900001571","490:4900003471","490:4900001707","490:4900002164","490:4900003895","490:4900003074","490:4900001699"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.804242504621667,0.7984316219079125,0.7199271123249448,0.7108027968942967,0.6624889766794503,0.6603032858403596,0.6543795379096212,0.6312018766431725,0.6273306666718906,0.6242952512979546,0.6180962123349302,0.5895615043116549,0.5756276081736887,0.5547063350849548,0.5454304298850037,0.5395676068902758,0.536893401257031,0.5364823928746832,0.5344527514960213,0.5335256894646013,0.5293272833341065,0.5277303648553496,0.5152021053795552,0.5046030243302255,0.4984145503465265],"twin_dists":[0.08572787217485422,0.08714296437461809,0.10528733404158468,0.10731126552648239,0.11785726679474437,0.11832927550896587,0.11960696583619516,0.12458877049324851,0.12541888503819545,0.1260695151493946,0.12739769050630387,0.13350898077712176,0.13649732506448845,0.14099805410713023,0.14300119000720007,0.14427029403581135,0.14485002494848995,0.1449391755730589,0.14537961804409708,0.14558090703823362,0.14649339648123183,0.146840876054536,0.14957527115563105,0.15190133018625387,0.15326544514911034],"n_dims_used":45,"mean_confidence":0.9178197224934895},"coverage":{"mean_confidence":0.9178197224934895,"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}}