0x03d99c174401ae6ae533f9281e8fcee1e3a62d531ab75c7e46d741c7fa57b2af

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.