0x016d121ed42ee2a7a4047da17ca41e5774d7d62a451c41ca3abfebcda43b78b9

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.