0x259105bbea9bc6792286ffceb662b0cd35be9e17f0ac7eadf09d32307664d9e1

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.