◷ OpenTimestamps

Calendar submission saved

This proof timestamps the saved hash manifest, binding the listed archive files and any included TLS certificates and TLSNotary evidence to the same commitment.

Download timestamp proof · Download stamped manifest

Archive Merkle root

$ROOT_HASH

Stamped manifest SHA-256

$MANIFEST_SHA256

Upgrade and verify later

Keep both files together. After Bitcoin confirmation, upgrade and verify with the OpenTimestamps client:

ots upgrade hashes.json.ots
ots verify hashes.json.ots

How the archive trust chain works · OpenTimestamps client documentation