0x8e30eae9f2e587ff77b037da0668cd88ddcd72f838a989d2fa92b338d9ac8395

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.