0x916afc8eaf42d6ced2b9a66f4ecb694a7efcdca9cc58d029b75fb2e353333d64

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.