Stamped on the X1 chain · no install
Night of the Living Dead (1968)
…
Reading the stamp from the chain…
✓Proof it came off the chain intact
The hash is computed in your browser with Web Crypto SHA-256, over the exact bytes you just assembled. If it matches, you have the file that was sealed on-chain.
waiting for assembly…
Save the file
Computed in your browser (sha256)
——Faster and permanent: get the toolkit → — one command, resumes where it stopped, verifies, and never holds the file in memory.
📱 This page downloads the full 1.86 GB film and holds the assembled bytes in a Service Worker’s memory while it streams. A desktop browser is strongly recommended — phones may run out of RAM.
use a different stamp
Any Permadata stamp address works.
Signature index cache · the ordered chunk history is kept in your browser so a revisit skips the ~10 min chain walk.