0xd1aa95b3f22730c2bf17f3cbaf5b371520a0b086c21f7c529df5f7e0cc2ac440

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.