# Migration Verification

To verify that the Rarible migration from pinata to web3.storage has been successful, I need to confirm that a list of CIDs have been indexed in E-IPFS. The direct upload to web3.storage was done via the previous version of w3up-cli, with pre-CARed files. Those CAR files were MFS directories packing together 100s of the listed CID files provided by Rarible.

So the verification needs to verify the CIDs inside the MFS directories were uploaded and indexed and not the root CID of the CAR files that were uploaded.

The CID list contains 16 million CIDs and so