{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002971},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003111","499:4990002679","499:4990001525","499:4990003253","499:4990002973","499:4990003042","499:4990002251","499:4990002248","499:4990003110","499:4990002969","499:4990003250","499:4990002589","499:4990002832","499:4990002976","499:4990003376","499:4990003248","499:4990002895","499:4990002333","499:4990001891","499:4990003315","499:4990002836","499:4990003308","499:4990003116","499:4990003049","499:4990002337"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.9680432793155954,0.9523615081343122,0.9328621163155503,0.9319666454299996,0.9241927253832678,0.9131100370465418,0.8999773947648094,0.8762547379254995,0.8668833938884677,0.8639096020819863,0.863680623488271,0.8624191471312003,0.8562337902339858,0.8484264173175724,0.8392188705377438,0.8324616311159733,0.8276346950946285,0.8243319112713348,0.8199495040662286,0.8197992340202548,0.8185767877797631,0.8162039325011401,0.8118060154175804,0.8084356670999628,0.8077348306871536],"twin_dists":[0.03310066430217213,0.0405784853012943,0.04841997989156975,0.04875338556381301,0.05157003437973359,0.05537555826276541,0.05962515870134158,0.0667555960325765,0.06941929360097275,0.07024928735031324,0.0703129072972263,0.07066267289481815,0.07236044694134937,0.07446507935355894,0.0768970455807961,0.07865037398409308,0.0798877832269893,0.08072762974947581,0.08183381469358629,0.08187158406844888,0.08217844925930441,0.08277214760830677,0.08386591385761312,0.084698515686747,0.08487105547959016],"n_dims_used":44,"mean_confidence":0.9267108223655007},"coverage":{"mean_confidence":0.9267108223655007,"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}}