0xe500cb26bb4fca138a5ecfe7d63d619ec27263177261c707f3da8684a2ba233f

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.