https://1001smartcities.org/projects/sydney-opal-card/ Changes to the atlas record for “Opal Card & Contactless Tap and Pay” in Sydney: 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 Thu, 20 Aug 2026 00:00:00 GMT 1001 Smart Cities static content generator https://1001smartcities.org/versions/project/sydney-opal-card/2026-08-20-source-dates/ project:sydney-opal-card:2026-08-20-source-dates Thu, 20 Aug 2026 00:00:00 GMT dates-recorded Recorded sources[].date on every source that states one and an explicit null on the living pages that state none, so the entry can say how old its evidence is. https://1001smartcities.org/versions/project/sydney-opal-card/2026-08-12-sydney-evidence-baseline/ project:sydney-opal-card:2026-08-12-sydney-evidence-baseline Wed, 12 Aug 2026 03:00:00 GMT recorded Created the first structured Evidence Passport with 2 claims and 7 source dossiers.