Protocol version 1?
nostr:note1f6ym3cfyjfzzf64f060aglcvzn2mr36z4g4ve5ep2uw6h6kcucts0t44hq
nextneg branch on strfry, i guess it was never merged, but it was the basis for this article (i think?)
https://logperiodic.com/rbsr.html
nostr:npub1yxprsscnjw2e6myxz73mmzvnqw5kvzd5ffjya9ecjypc5l0gvgksh8qud4
Discussion
Is it in negentropy but not Strfry yet?
https://github.com/hoytech/negentropy/commit/ed5f8e7e480f0c1b7a73196f1de3f66b0f7d7e19