0x8f6da391c341726a19eeca73af44b3aa2d55466b4a22715ce46718ca76aa3ef2

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.