0x4c1a941e5f8d0647a36bd5993f62a5e943d519136673629f63b78e2be5e32ad6

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.