visit certificate
What it gives — a serial-numbered, ARK-bearing, verifiable record of a visit. It shows a passage exists in the Memory House record; nothing more.
An e-mail is enough — no account. There is no fee. The certificate is issued within seven days and is valid for seven days.
Your name and e-mail live only in the isolated service and never enter the public address space or the corpus (rule 8). Status queries carry no identity.