Append-only history · project
Vision Zero Boston: 25 mph default limit and open crash records
Every published Evidence Passport revision, newest first. Old versions keep their URL and content hash.
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unreviewed
2026-08-20-source-dates-corrected
Removed a source revision date that postdates the entry's own last verification: the page changed after we read it, so the recorded value described a version this entry never used.
- Effective
- 2026-07-26
- Snapshot
sha256:641abc44cbc762f2…
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unreviewed
2026-08-20-source-dates
Created the first structured Evidence Passport with 1 claim and 13 source dossiers.
- Effective
- 2026-07-26
- Snapshot
sha256:6a11041351ee855a…