{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000236},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000234","490:4900000182","490:4900000506","490:4900000091","490:4900000031","490:4900000505","490:4900000073","490:4900000337","490:4900000418","490:4900000110","490:4900000575","490:4900000155","490:4900000436","490:4900000296","490:4900000249","490:4900000933","490:4900002647","490:4900000281","490:4900000342","490:4900000156","490:4900000601","490:4900000620","490:4900000825","490:4900001741","490:4900000491"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8244384687736179,0.8150681534374213,0.6519864399787164,0.5606439665509146,0.497943003925684,0.4977364046792812,0.4868784560605777,0.47431999898299604,0.46631947539252844,0.4599481918429482,0.44504921246775414,0.43486306996999224,0.43479193206158734,0.38839624751019086,0.3837075067375132,0.3815315231826735,0.373885606766332,0.3514844259977355,0.34200189228159605,0.3396024844265396,0.32291241846759633,0.30296929433642766,0.2895309885154582,0.2886915849711871,0.2880866932946303],"twin_dists":[0.0807006180439413,0.08305542926476829,0.12012252950807345,0.13971853830931105,0.1533695797821335,0.15341521320745813,0.15582132544275537,0.1586248815921585,0.1604235732513569,0.16186357154970218,0.16525939476926724,0.1676059397486502,0.16762240320615063,0.17861677513647256,0.1797600578928187,0.1802929029773505,0.1821769569153403,0.18781035288759246,0.19025074302864098,0.19087392391633468,0.19527648593746,0.20070746435312933,0.20448472593260913,0.2047240788775503,0.20489681948773733],"n_dims_used":45,"mean_confidence":0.9169984605577257},"coverage":{"mean_confidence":0.9169984605577257,"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}}