{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011545","490:4900012194","490:4900012001","490:4900012069","490:4900012193","490:4900011116","490:4900012003","490:4900010699","490:4900011483","490:4900012200","490:4900006861","490:4900012195","490:4900012068","490:4900011862","490:4900007714","490:4900011872","490:4900011936","490:4900011925","490:4900011939","490:4900005083","490:4900008715","490:4900005080","490:4900008611","490:4900012143","490:4900007593"],"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":[0.5274494296927985,0.5153420815669217,0.474586130704446,0.4713554287979178,0.39046617483328655,0.38823449959336337,0.3538080662271842,0.33274666819786797,0.31248028270489075,0.29794624677033504,0.2871936240388238,0.2859175819583611,0.27558573354718285,0.2563127804919588,0.24863077199375352,0.24671974825796072,0.24032421323857045,0.23686152366596286,0.22944733060373246,0.22822794186803452,0.22353100601747658,0.221728389346982,0.2168857724272442,0.20388564688336108,0.19668436484704635],"twin_dists":[0.14690202936066876,0.1495446338961928,0.1585652245861471,0.1592901817588169,0.17811412903590026,0.17865610584348635,0.1872176388723645,0.19266772594134587,0.19809277546190524,0.20210758662603026,0.20515225296891568,0.20551805086052038,0.2085168368096011,0.2143013088478281,0.21668314313290682,0.21728294457156527,0.21931231975357768,0.22042570993071828,0.22284598381154325,0.2232489477220365,0.22481458660373807,0.22542126743136676,0.2270675899067432,0.2316136613047863,0.2342177578839545],"n_dims_used":45,"mean_confidence":0.916030036078559},"coverage":{"mean_confidence":0.916030036078559,"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}}