{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011666},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011866","490:4900011475","490:4900011926","490:4900011867","490:4900011801","490:4900011602","490:4900011112","490:4900011122","490:4900011670","490:4900010625","490:4900011042","490:4900011731","490:4900011197","490:4900011864","490:4900011469","490:4900011201","490:4900011191","490:4900011725","490:4900011401","490:4900011984","490:4900011115","490:4900010702","490:4900011734","490:4900011414","490:4900011273"],"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":[0.7497642471574563,0.6384531556970273,0.52067533601747,0.425607127163948,0.4215388384113843,0.4183403852443933,0.4001719421782826,0.3918793116008582,0.36594682834495773,0.32361866410358536,0.3234617460137475,0.3187785761554413,0.30481298388384104,0.28093456574233666,0.28040918212687566,0.2801819273608287,0.276077231867209,0.2749004230560752,0.2717643033413174,0.264944978027501,0.2500957855481225,0.24826828777744714,0.23749065913428652,0.2365538112984557,0.21995847746900377],"twin_dists":[0.09856719960073444,0.12303261447195403,0.14837881233118963,0.1697572919553284,0.17070897090163695,0.17145988880423738,0.1757735886493665,0.1777716901404536,0.18415334316932677,0.19508768494402265,0.19512961408204824,0.19638624679683236,0.20019695002188517,0.20695600401797182,0.20710851019438092,0.2071745304720329,0.20837264683452536,0.20871814811712286,0.20964334109632968,0.21167813189466944,0.2162253260455329,0.21679668598338642,0.2202226337146157,0.2205251634527331,0.22602015563611721],"n_dims_used":45,"mean_confidence":0.9063608805338542},"coverage":{"mean_confidence":0.9063608805338542,"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}}