0xb6a60b3d2430c45c86c2d7c671d58a7cb07a77353b1e272f9e933c65c85161a4

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.