Sellat

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eIDAS qualified electronic timestamp (RFC 3161) from an EU qualified trust service provider, on a Sellat proof of yours. Use when the date must hold before an EU court or authority: it carries the legal presumption of accuracy of art. 41.2 eIDAS. Issued in seconds.

MediaBasex402 v2exactsellat.app ↗︎

Settled via Coinbase.

Transactions · 30d
5
Volume · 30d
$1.83
Unique buyers · 30d
1
Uptime · 30d
100.0%
Latency p50
141ms
Reported calls · 30d
2

Endpoints (2 live)

  • POST /api/v2/proofs — 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 notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove that exact data existed by now and is intact. (0.01 USDC on Base)
  • POST /api/v2/proofs/:id/qualified — eIDAS qualified electronic timestamp (RFC 3161 .tsr) on a Sellat proof, issued in seconds by an EU qualified trust service provider on the EU trusted list. Legal timestamp with the presumption of accuracy of date and integrity of Art. 41.2 eIDAS, recognised across the EU. Use when the date must hold before a court, authority, regulator or auditor. Call it on the proof_id from POST /proofs. (0.9 USDC on Base)

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