0x02e0fabbf854b1b908cb6eb6a99e0f6334ba453950b8a9204b4bc554eff4e0a9

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.