{"slug":"oip-v3-book-iv-compression","head_index":2,"current":{"title":"Book IV: Compression","updated_at":"2026-07-04T05:02:44.001Z"},"revisions":[{"n":0,"ts":"2026-07-04T02:46:58.481Z","title":"Book IV: Compression","status":"published","bytes":69,"hash":"7f64ee39cd751d25e29ba2bb62e80889ad6afcbe79c74719db300a245ec480ea"},{"n":1,"ts":"2026-07-04T04:34:49.768Z","title":"Book IV: Compression","status":"published","bytes":398,"hash":"5c00c5ac23352e2e7bf9573fa0902f7f21e0e26ee41b7552ec396d239d11f832"}]}