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Just launched an openrouter for Bittensor with Romain, Jeff Chen, and Ezra Tramble! Bittensor lets opensource AI models compete for rewards on decentralized subnets. Generate images, check image URLs for AI, search arXiv & hackernews, all in one! bitrouterbab.vercel.app

Day 12 TIL the fun reason for the interesting shape of grad caps is that it mimics boards bricklayers use to hold mortar, symbolizing scholars as builders of knowledge. most likely, they came from a square cap worn by roman clergy in the 1500s called a biretta. happy grad :)

Day 13 TIL been reading up on HTTP and the idea of a TLS (Transport Layer Security) handshake is super interesting. your device has a “fingerprint” that IDs your browser before the page loads. If you try to run automations like playwright, the site can block you before code runs

The fears we carry are often just in our heads. h/t: Sahil Bloom

Day 14 TIL was cleaning out my apt and found an RFID-blocking cardholder. turns out they work by being made of conductive materials like aluminum to specifically block out 13.56hz waves used by RFID readers like for credit cards and access badges.

Day 15 TIL Got my photo taken at TSA today. Ostensibly they use it to compare your face to your ID and delete it right after. You can opt out and the agent will check manually, but that’s only TSA policy, not law. Your right to say no isn’t guaranteed LOL

Day 16 TIL Probably one of the last people to discover this, ChatGPT has a saved memories feature under Settings → Personalization. If you say “remember xyz,” it saves it permanently. Finally got it to stop using em dashes 🤣

Day 17 TIL Started burning through my free Claude credits (thanks Mason Arditi) before realizing Claude now has prompt caching for Claude Sonnet 4! If you're reusing the same system prompt across API calls, cache it once and reuse for way cheap. 🔗 docs.anthropic.com/en/docs/build-…

Bittensor 🥹

Day 18 TIL Just learned from my girlfriend’s dentist visit that every procedure is logged with a “cheat code.” Routine cleaning? D1110. Filling a cavity? D2330. Dentists talk in codes. Ever spot these numbers on your bill?

Day 19 TIL Packing for grad trip. Merino wool socks are like magic. They stay cool, don’t smell, and dry fast. The wool’s naturally antibacterial, so your feet don’t reek, unlike cotton. Sheep lowk nailed performance gear before we did. 🐏

Made an Elon agent on crack.fun. No one's cracked it yet. If you like breaking things, try it out: crack.fun/8MjxbmndQ3t6bq…

Day 20 TIL Didn’t really pay attention to this before, but servers at Korean restaurants don't straight-up torch the food. They hold a black solid fuel stick in front, as a fuel source that boosts the flame’s heat (to properly sear the dish). 🔥👀