1001 Smart Cities

Append-only history · project

Ventra: Chicago's Open-Loop Fare System and Its Broken Launch

Every published Evidence Passport revision, newest first. Old versions keep their URL and content hash.

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  1. unreviewed

    2026-08-22-cross-city-sourcing

    Removed a factual claim about Osaka's open-loop rollout that no source of this entry covers, together with the year span derived from it.

    Effective
    2026-07-26
    Snapshot
    sha256:3b3721c0e690dc6c…
  2. unreviewed

    2026-08-21-source-dates

    Record the publication date of each source that states one; a source that publishes no date is marked null, and one that shows only a revision carries `updated` instead.

    Effective
    2026-07-26
    Snapshot
    sha256:d53d92cd864873be…
  3. unreviewed

    2026-08-20-claim-baseline

    Created the first structured Evidence Passport with 10 claims and 14 source dossiers.

    Effective
    2026-07-26
    Snapshot
    sha256:b70d43aeb0ea2c5b…