{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003384},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003386","490:4900003394","490:4900003531","490:4900003791","490:4900003382","490:4900003663","490:4900003524","490:4900003525","490:4900002843","490:4900003659","490:4900003930","490:4900004220","490:4900001641","494:4940006126","490:4900004078","490:4900003264","490:4900003933","494:4940006986","490:4900003914","490:4900003790","490:4900002839","490:4900002835","490:4900001121","476:4760003800","490:4900003381"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,490,490,490,476,490],"twin_sims":[0.3513532591224434,0.09620766394408178,0.034453312176970737,0.02887637281289292,0.027899167889932817,0.02609046973312364,0.02424611526727014,0.01661544633717287,0.012326085317448478,0.010649017253618477,0.0061391873768802925,0.005321978836122368,0.0023914728258600834,0.002130018244691331,0.002083153125663144,0.0014434599703869169,0.0012561511666729906,0.0011494799327524037,0.0011133540506650965,0.0008440101795890585,0.0008208576795780904,0.0008008316839798529,0.0007132995879002904,0.0007075660143234817,0.0007030594961868081],"twin_dists":[0.18784387169394376,0.2810362825073521,0.3370812263980903,0.3458044043854513,0.3474795932060817,0.3507181200002943,0.35422650934915884,0.371787015940907,0.38509647067965586,0.3914498775022994,0.4145036542545012,0.42027633256125174,0.4512403361905109,0.45554759813675577,0.45637061797843387,0.46973331946194213,0.47469801526354866,0.477840897668672,0.4789667610908171,0.4886231712996057,0.48958240333090036,0.49043260799071625,0.49439753009659887,0.49467279779849443,0.49489061637745685],"n_dims_used":44,"mean_confidence":0.9143943786621094},"coverage":{"mean_confidence":0.9143943786621094,"n_dims_used":44,"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}}