0x0295b20c0c853f8cb08f993c6feb7b82f63d38d3e5c53cd156bbd81c41c9e3ce

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.