Here is the source code of a comment form: https://gist.github.com/Dorian/21c78ea7143ba0a50c3a https://gist.github.com/Dorian/21c78ea7143ba0a50c3a We can see t

Here is the source code of a comment form: https://gist.github.com/Dorian/21c78ea7143ba0a50c3a https://gist.github.com/Dorian/21c78ea7143ba0a50c3a We can see that it's an hidden field. So maybe an extension can re-fetch the page and updates the hidden field every 5-10 minutes, that would fix it for the HN users complaining about it.