When you delete, you delete the pre image. The hash is still timestamped, viewable, and verifiable.
Eg if I say something regarded, you can store the pre image yourself if you’d like, and prove to people it was said when it was said regardless of its deletion status.
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Note from the preimage in some cases someone could brute-force the deleted message. You could fix this by creating a 128-bit nonce for every item and including that nonce in the hashed data - OpenTimestamps itself does to prevent the OTS calendars from learning anything about what is being timestamped.
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Correction: from the hash digest of course. Not the preimage. That doesn't need bruteforcing!
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Outstanding!
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How do you see the item number of a comment?
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Click on the time, e.g. 35m, or the 1 replies.
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