0x5ceacd7cff7c7492e00a512219ea3d6daf1bfcde3c14238d76bd643f234042c1

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.