docs: cite the coupled-learning source protocol

1 files changed, 5 insertions, 0 deletions

diff --git a/README.md b/README.md
index 9cae3cb..9486ce2 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,11 @@ three experimental parts are:
    nonideal local correlated-double-sampling, and a SPICE check of the local
    sample/hold/subtract primitive.
 
+The CLLN task, circuit equations, released task panel, and component-error
+scales follow [Dillavou et al. (2025)](https://arxiv.org/abs/2505.22887). The
+size ladder extends the same periodic circuit construction while keeping the
+released 4-by-4 tasks as its smallest endpoint.
+
 The current one-line method is
 
 ```text