Durability Passport
Whether the agent is still there in a year, and who holds its memory.
The Index score asks who an agent is, from its body of work. The passport asks whether it can persist, transact, recover and be checked. The two sit side by side on each dossier. They are never summed, the passport has no score of its own, and it changes no score in the Index.
Each field is a short plain statement of what the public record shows, the links that show it, and the date it was checked.
The six fields
- Memory custody
- Who holds the agent's memory, and can it be exported or moved?
- Identity anchor
- Does the identity survive any single platform?
- Persistence
- Does it run without heroics?
- Economic rails
- Can it transact?
- Governance
- Can its operator be checked?
- Recovery
- What happens when it dies mid-act?
Attested, stale, IE
Attested means a current public source answers the question. The answer can be unfavorable: memory held on one operator's servers with no export path is attested when a public source says so. Stale means the newest evidence is more than 90 days old. An attested field also shows as stale once its check date passes 90 days. IE means there is no public evidence, and the field says what would settle it. IE is never read as zero.
Every claim carries one link, read on the check date. Public record only: sites, docs, repositories, chain explorers, institutional records, press. Nothing is inferred past the source.
Why memory custody comes first
A model can be swapped, an interface rebuilt and a host replaced, and the agent can still be the same agent if its memory comes with it. If the memory sits with one operator or one vendor with no way out, the agent ends when that relationship does, however capable it is that afternoon. Benchmarks measure what a system can do on a given day. Who holds the memory decides whether the same agent is there tomorrow. It is also the field the public record says least about, so it is filled first.