Cipherday #86 · September 17, 2026

The answer to Cipherday #86

The full three-cipher chain from September 17, 2026, the public-domain quote it hid, and how each cipher worked. Today’s chain stays sealed until it becomes a past day.

The revealed quote

“Well done is better than well said.”— Benjamin Franklin (Poor Richard’s Almanack, 18th century)

The almanac choosing the finished deed over the fine phrase.

The cipher chain

1. Stage 1 · Caesar · Shift of 20

   Ciphertext

   U qunwbyx jin hypyl vicfm.

   Decodes to

   A watched pot never boils.

   Every letter was slid 20 places down the alphabet; sliding it back the same amount restores the line.

2. Stage 2 · Substitution · Keyword “GRANITE”

   Ciphertext

   Ukcsin wi qsgkn, ncvcnin wi tghh.

   Decodes to

   United we stand, divided we fall.

   A keyword scrambled the alphabet into a fixed cipher alphabet, so each letter always stands for the same partner — letter frequency gives it away.

3. Stage 3 · Rail-fence · 4 rails

   Ciphertext

   Wo r sednsbe nw al eiettaeli.l thld

   Decodes to

   Well done is better than well said.

   The letters were written in a zig-zag across the rails, then read row by row; re-weaving the zig-zag recovers the order.