0x5b6250ab1a4c95538c670413671a2f6eeb79e9ff68a301cb0d22709aa64f74d0

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.