Offical repo for The Managers NFT Images and Metadata, all of the data is stored in IPFS. For provenance you can download the images and json files and mmake a hash of them with IPFS you would get the same hash as the one in the blockchain.
An example of how to do that is going to each directory and using IFPS CLI and command ipfs add -r .

Data for ERC721

JSON files are stored here https://ipfs.io/ipfs/QmUzd4Y8mdAfPQud1KAULhfxwcDa4ZUtQBLpehQiLnT9jx/

Images files are stored here https://ipfs.io/ipfs/QmZjdSRgVGWmHLHCn99Ww5gR3ZJkReZVx9xF997VWYdiob/

All of this can be checked at https://etherscan.io/address/0x8c34E6e60731D1Ff7E26c712EA1f798F90F29Ec6#readContract with function number 20 which is tokenURI and adding ID of NFT

Data for ERC1155

JSON files are stored here https://ipfs.io/ipfs/QmPx8PdrCqyPYHeqVaXJZ8rAX77CaMfkbpZK5ov3xPiZaj/json/

Images files are stored here https://ipfs.io/ipfs/QmQpicQpENa65LjYqFxs3d3RUV2wbfj6ZE7mfZc7DHJsKe/images/

This data can be checked over smart contracts here https://etherscan.io/address/0xa67571f7a10c1e30eeefa42bcdd1a9548876584c#readContract with URI function