0x5d4fb9faa15270a45cd4f6930e57cd2d1bb56bcdadaee04324f9f0e6a63a4278

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.