0xe99791763399f9e25edfe2b00d2d050c58504c91d9ac21152eb44157eaf377d2

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.