{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003853},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002136","490:4900003040","490:4900002895","490:4900002600","490:4900002894","490:4900003582","490:4900001829","490:4900004420","490:4900001554","490:4900002586","490:4900002590","490:4900002890","490:4900004693","490:4900002295","490:4900004547","490:4900003844","490:4900002139","490:4900001981","490:4900004538","490:4900003311","490:4900003714","490:4900003711","490:4900002445","490:4900003183","490:4900001984"],"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":[0.7989992296968772,0.71678896381502,0.6741760010009996,0.6626167043533377,0.6340777097133427,0.6138818334377562,0.5780908607655852,0.5434677209447074,0.5368958320912404,0.5338197349029774,0.5301246559816853,0.5300904983850516,0.5025832006869293,0.4961686820507671,0.48010914609960553,0.4513998812556232,0.44952177973805124,0.44809975824230186,0.4397283387838542,0.4212883340257793,0.4207412143059048,0.4172666727505137,0.4154454985037347,0.41338260962748574,0.404075625626953],"twin_dists":[0.08700530213694734,0.10598487312416918,0.1153273853655051,0.11782967330341289,0.1239718157050454,0.12830032645876763,0.1359686300653741,0.14342577329499964,0.14484949772324351,0.14551705452671396,0.14631997738022326,0.1463274051141419,0.15234604858229375,0.15376166581463388,0.157329614405866,0.16380686371402423,0.16423561975919987,0.16456070255966931,0.16648249334653037,0.17076769596142166,0.17089600697560153,0.17171251679649696,0.17214164857264883,0.1726287170395999,0.174839543751361],"n_dims_used":45,"mean_confidence":0.9212546454535591},"coverage":{"mean_confidence":0.9212546454535591,"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}}