{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009727},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011241","490:4900011170","490:4900012106","490:4900008442","490:4900009828","490:4900009825","490:4900011242","490:4900008441","490:4900009418","490:4900010652","490:4900010149","490:4900012108","490:4900012173","490:4900006676","490:4900007890","490:4900010653","490:4900011310","490:4900012171","490:4900010401","490:4900009827","490:4900010654","490:4900010412","490:4900006678","490:4900010150","490:4900008332"],"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":[0.2363424191948087,0.10879972837381853,0.10332452371634356,0.0990514568786782,0.06500854565237583,0.06486498448555611,0.06139881842744674,0.04665048012026372,0.04383940171762338,0.038830463152084264,0.015609979866220454,0.00999671348545532,0.009431616156755316,0.008322040202289573,0.007270417235136126,0.0063939474652972336,0.005345765506278658,0.004923927075690149,0.0029953748104702077,0.0029267990559346735,0.0029167041309986212,0.002893719486330503,0.002505136978681379,0.002500472760947675,0.002208605581613817],"twin_dists":[0.22059353495991443,0.27355442272077046,0.2767198691407399,0.2792824428004019,0.30365291421441265,0.303775694588426,0.30680987067076043,0.3215579035720552,0.32480164490339625,0.33104241047378113,0.37460831213393603,0.3941642073654705,0.3966464571085439,0.40193364621668176,0.4075635069524771,0.4128457852559507,0.42009731442574444,0.4233848081510775,0.44274385721133774,0.4436253157587935,0.4437566649245367,0.4440572850017107,0.44950128046347726,0.44957120585885224,0.45420411295315694],"n_dims_used":45,"mean_confidence":0.8868545532226563},"coverage":{"mean_confidence":0.8868545532226563,"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}}