0xd1d68391330af081a91677bda7c6017edcf8b6ffb0b0b814dab60036088f6e69

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.