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Good point. here is NXT token for my account: NXT-SQ9J-JCAN-8XVY-5XN7K

ma4nd5f5er1kieukm2uf45q3cko55vh2h5gsuha2abgjnpieursa6vu93jhn7f04bp1lq1p7lkuh53lattq012mq325r2qkptd3dpihbrdvgulbfa7pgfda3qm9dtfp8mk7c79vj3fcn13e24nor9ji601dqk732

the text is "15/7/2006 steemit"

What exactly is this?

it is proof that I am jl777
use the advanced functions icon (gears) in the NXT GUI and there is a Validate token function that you can use to validate tokens

Checked the token, verified.

NXT client -> settings -> generate token -> verify token -> paste long string as token, text as data, check the assets list of the signing account

Can you share how I would verify it? I use NXT but I don't see any transactions from your account that relate to this.

Edit: I also verified, thanks.

Is there a way to automate this process?