0x2a956d2357f828a7f8face89ee61f1217bafcdf19fe4ff666da4c1a701348c2b

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.