0x366fa0c5bfb8fae236a4584ffbcdf80eeec17a5d585981354dd90e4a864c0a10

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.