0xc743f4fbda42d3a6e3dd2c2a5c6a879e9471f970f12acd7a319153dbd95333a4

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.