0xe72d69f09c2dd82a7224467189b0f34572e14dd058b3d37986d24c3bb74e09d2

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.