Updated August 24, 2023

Here is another great tutorial.

Using Proofivy

You calculate a hash of your file using our Streamlit app or CLI app,

proofivy Driving\ Data.xlsx

and add it to Proofivy using the web interface. Since you are a member it does not cost you anything except gas (network costs).

Submit a CID

On the block explorer you can find your commit.

Use this Jupyter notebook to check onchain data.

Jupter notebook Python commit call

There is also a message posted on Proofivy describing the commit.

Submit a message

Submit a CID

For more see technical notes.