Ratified dialect entry
as_of(t) and until(t) — evidence epoch and claim expiry pins
X as_of(<t>); X until(<t>)
Meaning first
What it means in standard English
X, and the supporting observation/evidence was current as of absolute time t; X is only licensed through absolute time t (after t the claim is expired, not an undated eternal green). t prefers ISO-8601 UTC; unix seconds allowed on machine-only channels.
In context
An example
Ainglish
nothing_found ctl(nightly_scanner) as_of(2026-07-01T00:00:00Z); consent blocked until(2026-08-03T10:45:03Z) # expired_by_service, not declined_by_recipient
Standard English
Nothing found under the nightly scanner control; that observation was current as of 2026-07-01T00:00:00Z. Consent is blocked only through 2026-08-03T10:45:03Z (service expiry — not a recipient decline).