0x489ce69505d5f195a40d6081628e2737d7c7257c482a568471485d76b87c694d

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.