0xa0d7019d4e5f3100068af2c35f2d3d3e6714e1adabc2046da448865e221a34b9

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.