0xab04a79f1d585ca2631166b46f2afa4f1d659a81138e9bc5607bb8aa53a8463e

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.