0x406a6c03276195cc06f2a84dd826e17619c8d7e21878a5c2e1a4aafa287045fb

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.