0x46660f9c6e3cd71cf794d9a67e304e6b234638630350a674d97d4e09d00bef18

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.