Akashi Notari

Simple proof of existence

A web app that timestamps any file on a blockchain: the file is hashed locally with SHA-256, a verification transaction is sent from the user's wallet, and a PDF certificate with transaction hash, network name, and QR code can be downloaded. The file itself never leaves the user's computer.

Category: Other
Pricing: usage_based
Free tier: no
API: no
MCP server: no
SDK: no
Open source: unknown

#blockchain #notarization #proof-of-existence #timestamping #sha-256 #pdf-certificate

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Listed 2026-10-27 · last verified 2026-10-27 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.7

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API

curl https://toolgrep.com/api/products/akashi-notari