chore: minor changes

Author: douglaz

_posts/2025-08-22-socratic-seminar-005.md

@@ -18,6 +18,8 @@ meetup: "https://lu.ma/asubitdevs"
 
 * [Is recycling coins a thing? (bitcoin-dev)](https://groups.google.com/d/msgid/bitcoindev/a186c724-eef7-4964-9aba-85ae9cce2249n%40googlegroups.com)
 * [Running Bitcoin: client comparison (PDF)](https://s3.us-east-1.amazonaws.com/1a1z.com/files/1A1z+-+Running+Bitcoin+-+Client+Comparison.pdf)
+* [Cat images vs Filters](https://x.com/stutxo/status/1951376504975491514)
+    * One liner: `curl -s "https://mempool.space/api/tx/8a3c63c2e9ff88db03b58dba600e2cb78c77c921928034a709f903b080eeb34f" | jq -r '.vin[0].witness[2]' | tr -d '[:space:]' | grep -o -i -m1 '52494646[0-9a-f]*57454250[0-9a-f]*' | cut -c1-8192 | xxd -r -p > labitbu.webp`
 
 ## Bitcoin (Core, protocol, wallets)