Labs QuantumMint an eye
Observe

Nothing is decided until it is measured.

Measure a simulated shot of the circuit here, or trace a minted eye back to the shot it came from.

Simulated shot

Unobserved.

The eye is closed because nothing has been measured. Measuring gives 36 bits, and the bits are the eye.

Trace a minted eye

Available once the collection is deployed: enter a token number, and this page downloads its batch archive, hashes it, and compares everything with the on-chain receipt. No wallet needed.