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httpthirdwebcdp

sellat.app

Sellat proof of existence for one SHA-256: anchored on Polygon in the next fast batch (minutes) and attested on Bitcoin through OpenTimestamps; certificate, proof.json and evidence ZIP, verifiable without Sellat.

Resource URL

https://sellat.app/api/v2/proofs

Payment options

exactBase (8453)

$0.01 USDC

Max amount

Pay to
0xeDeb27856FfB8c313931B2DCE0f8375F27f4d87a
Timeout
300s

Tags

timestampingproof-of-existenceeidasqualified-timestampevidence

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://sellat.app/api/v2/proofs
Type: http
Sources: thirdweb, cdp

Developer