Task

Eidas

1 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Sellat x402 REST usage

Timestamp and notarize any file or data by its SHA-256 hash: blockchain proof of existence and document integrity, anchored on Polygon in minutes and attested on Bitcoin (OpenTimestamps); blockchain notarization, not a n...

sellat.app Crypto & Payments 10 calls / 30d checked 2026-11-01

0.01 USDC per call per call

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