Signature Verifier
MAIC01807 · Document Authentication

Verify a document signed by Senaka Amarakeerthi.

Check the PDF’s digital signature and whether its signing key is currently registered and active on Base.

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01 Verify a document

Drop a signed PDF here
or choose a file from this device

PDF stays on your device. Only its public-key fingerprint is sent to the blockchain service. No wallet or gas fee.

What this checks

01

Document integrity. Has the signed content changed?

02

Digital signature. Does the cryptographic signature validate?

03

Blockchain registration. Is the signing key registered and active now?