0xcbb11dd59433a6ab17e572d46ec2b221287f9a95b608b3ee70c4a7bbc07cbbaa

How to verify this batch yourself

Take any stamp's content hash, walk the merkle proof in its certificate to recompute the root, then call timestamps(root) on the BA Stamper contract on any Polygon full node. The block timestamp returned is the on-chain proof — no trust in BA Stamp required.