Band Anonymity
Publishing a range instead of a value, with a hard limit of one identifying category per artifact.
Band anonymity means publishing ranges rather than exact values, and never more than one identifying category in the same artifact. The risk is not any single band — it is the intersection of two or three, which narrows the field to a handful of candidates.
Definition
Publishing a range rather than a value, combined with a limit on how many identifying categories may appear in one artifact. Categories here: revenue, headcount, sector, geography. The limit is one.
In practice
Each band on its own is shared by thousands of organisations. Two or three together are not.
Numbers about the system are unrestricted — runs, sessions, token counts, failure rates, latency. Numbers about the organisation are banded, and the build reports any artifact that touches 2 or more categories.
See also
the-anonymiser-that-passed · the-green-light-nobody-owns
$ head -12 term-band-anonymity.md
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which a bare URL does not survive. The verification date is part of the citation on
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[Band Anonymity](https://stillvalid.dev/start/term-band-anonymity) — stillvalid, SV-8316 (glossary-entry, verified 2026-08-14)