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I'm Brennan. I built AER-1. It's a draft standard at the IETF, version -26 right now.
It's about receipts for AI agent work. Say an agent does a bunch of stuff for you. The receipt says what you asked it to do, which tools it touched along the way, and what came out at the end.
And the record is chained together with hashes, so you can't quietly go back and edit it later.
Anyone can check a receipt. You don't need my permission, and you don't need my servers either.
All of it is MIT licensed. Free.
The money here is only for keeping the open standard alive for a year. My company Zambo is separate. This doesn't fund it.
People are starting to actually rely on agents now. For real work. And when something goes wrong, nobody can prove what the agent did. Because the logs belong to whoever ran it. I got tired of that.
So I built this.
The corpus is done. Frozen. 143 test vectors, 146 checks. Five separate implementations by other people pass it. Somebody independent built a validator too, which I didn't expect as fast as it happened.
The reference setup has issued 123,262 receipts. Anyone can look at them. I counted that on November 9, 2026.
None of this is vaporware. It's running.
I have a simple test I use myself. If the corpus is still public a year from now, and the verifiers are too, and a stranger can recheck the results without asking me anything, then it worked.
If I ever have to say "trust me," it didn't.
Rough split. About 40 percent goes to keeping the corpus and the spec updated as the draft moves. That's the boring part that never stops.
Around 30 percent is for the verifier code. That's the piece people actually trust, so it has to be solid. I spend more time on it than I want to admit.
The rest, about 30 percent, is helping other people implement it and pass the corpus. Answering questions and fixing rough edges when people get stuck.
Total ask is $25,000 for the year. If it comes in under that, the corpus and the verifier get fed first.
Just me. Brennan Zambo. Solo. I've been building in public since May 2026.
The packages have been downloaded 216,307 times across PyPI and npm. That still surprises me a bit.
You can reach me at brennanzambo@zambo.dev.
Honest part. It's one guy. If I stop, it stops growing.
But it doesn't vanish. The standard stays up. The corpus and the verifiers stay up too. They're MIT licensed, so anyone can pick them up.
The draft would just stop moving. That's the risk.
Zero. Nothing raised in the last 12 months.