0x2f432b3d1f12952fde3f417e928120068dc112d5ab53e96380ecdf912b074a4a

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.