same issue:
```
~> ipfs cat /ipfs/QmW2WQi7j6c7UgJTarActp7tDNikE4B2qXtFCfLPdsgaTQ/cat.jpg > cat.jpg
Error: merkledag: not found
~> ipfs --api /ip4/127.0.0.1/tcp/5001 cat /ipfs/QmW2WQi7j6c7UgJTarActp7tDNikE4B2qXtFCfLPdsgaTQ/cat.jpg > cat.jpg
~> file cat.jpg
cat.jpg: JPEG image data, JFIF standard 1.01, resolution (DPCM), density 37x37, segment length 16, baseline, precision 8, 1280x800, components 3
```