0xe5670bff88d99129423de24c7ac5a0456a68d8570a1e7287a12e7a98cd4cb756

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.