Echo Proof — Proof of Origin

Drag a file or choose one. This page computes SHA-256 locally (no uploads) and gives you a ready-made JSON receipt + caption that point to origin.vececo.net.

Choose file (image/video) or drag & drop

Result

SHA-256:
—

Proof link:
https://origin.vececo.net/po/<hash>.json

File size: — • Type: —

Caption helper

Optional metadata

Claimed by Source URL Note

How to publish

Click Download Receipt JSON → saves as <hash>.json.
Add that file to your project's /po/ folder.
Deploy the folder on Cloudflare Pages (custom domain: origin.vececo.net).
Use the proof link in your caption.