Agloe, New York never existed. Mapmakers invented it to catch anyone who copied their map, and it worked. Do the same to a cheap Claude reseller: send it a fact that exists nowhere else, lock its hash on Monad, and wait. If a model released later knows that fact, it was trained on that station's logs.
A fake protocol with one secret value, committed on-chain before it leaves your machine.
The demo station answers like any cheap reseller, but logs every prompt and reply into a dataset it sells to labs. You can't see this from the client side.
Probes name only the trap street, never the secret. A chance match is 1 in ….