0xb0b861c74faa1c50cc7d9ce658754a12bbd77e31dd691cc26d79e4be4d48d694

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.