{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011613},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012191","490:4900011741","490:4900011870","490:4900010711","490:4900012188","490:4900011805","490:4900011272","490:4900011869","490:4900012202","490:4900011045","490:4900011478","490:4900012122","490:4900011034","490:4900011809","490:4900011614","490:4900012190","490:4900011730","490:4900011871","490:4900009785","490:4900010090","490:4900010628","490:4900008953","490:4900011789","490:4900011544","490:4900011547"],"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":[0.4556297257474429,0.35940914657129464,0.2526392773039021,0.24079337090852823,0.21927682373227933,0.18937540620318957,0.169245222445658,0.1589412205011561,0.15299753671786132,0.1417746386261481,0.14073008550322727,0.12986306116325588,0.12937593693184735,0.12672800075383145,0.12414667993178803,0.12046466285153451,0.11976929313552,0.10458977292842882,0.09778705365632268,0.08860363208784694,0.0871160782847599,0.08684868443414544,0.08525421943568859,0.08398016500853216,0.08295692482171727],"twin_dists":[0.16284363272345548,0.18579714109571588,0.21543453657238582,0.2191622714878963,0.22625166847604353,0.23692922362823263,0.24479922154449282,0.24908970717725587,0.25165731230828586,0.2567127207804363,0.2571981508499255,0.2624155561544382,0.26265700674316755,0.2639816583661288,0.2652933350146066,0.26720070499559867,0.2675659009828261,0.2759769906744636,0.28005728544332287,0.28593527839923255,0.28693232624256193,0.2871129820720348,0.28819951550236494,0.28907940789339037,0.28979382920481006],"n_dims_used":45,"mean_confidence":0.9169057210286459},"coverage":{"mean_confidence":0.9169057210286459,"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}}