https://1001smartcities.org/projects/rio-bilhete-unico-carioca/ Changes to the atlas record for “Bilhete Único Carioca: taking the fare data back from the bus operators” in Rio de Janeiro: corrections, reclassifications, new sources and withdrawals. Every item resolves to an immutable snapshot; old versions keep their URL. An empty feed means this record has not been revised yet — subscribing now is the point. en Sat, 22 Aug 2026 05:13:00 GMT 1001 Smart Cities static content generator https://1001smartcities.org/versions/project/rio-bilhete-unico-carioca/2026-08-21-source-dates/ project:rio-bilhete-unico-carioca:2026-08-21-source-dates Sat, 22 Aug 2026 05:13:00 GMT dates-recorded 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. One source label named the date the service changed rather than the date of the document and was reworded, so the recorded publication date and the label can no longer contradict each other. https://1001smartcities.org/versions/project/rio-bilhete-unico-carioca/2026-08-20-claim-baseline/ project:rio-bilhete-unico-carioca:2026-08-20-claim-baseline Fri, 21 Aug 2026 14:11:00 GMT recorded Created the first structured Evidence Passport with 10 claims and 11 source dossiers.