0xdda3c14203573866c30e24f6f8ad68d5ec80c11b954fa982820beec3fe3d7f70

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.