0x7e1bc742fff8e7da02fc60a0a1d1c3ca65324d25324b51fb9232c1be788605b6

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.