Photo credits

Every photograph on Public Rails comes from Wikimedia Commons. Each is in the public domain, dedicated to it under CC0, or published under a Creative Commons licence that allows reuse with attribution. Authors, licences and original files are listed below.

Photos illustrate a subject; they are not evidence about it. No place, institution or object shown is connected with, or endorses, the article it illustrates. Images were cropped to a 3:2 format and resized; for CC BY-SA images, the modified versions are shared under the same licence.

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  Home page (top)
  “Railway tracks and points at Clapham Junction - geograph.org.uk - 2552768.jpg” by Bill Boaden, CC BY-SA 2.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  What makes DPI good, not just big?
  “Manhattan Bridge Construction 1909.jpg” by Irving Underhill, Public domain, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Data exchange layers explained
  “CERN-20060225-01.jpg” by Inisheer, CC BY-SA 3.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Digital ID privacy safeguards
  “Padlock Valimokatu Oulu 20250307 03.jpg” by Estormiz, CC0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Who governs DPI?
  “Heiligengrabe, Kloster Stift zum Heiligengrabe, Abtei, Konferenzraum -- 2017 -- 7061-7.jpg” by Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Digital land registries and open property data
  “Cadastral map of Nagykozár in 1865.png” by the Royal Hungarian State Printing Office (A m. kir. államnyomda), Public domain, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Estonia's X-Road
  “Tallinn-panorama-2011.jpg” by acediscovery, CC BY 4.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  GSTN and India's GST
  “Road and highway network Gujarat India 2015 e.jpg” by TeshTesh, CC BY-SA 4.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Interoperability and open standards
  “Container cranes at the MPET- MSC PSA European Terminal in Port of Antwerp (Kieldrecht, Belgium) during the sunset civil twilight (DSCF3901).jpg” by Trougnouf (Benoit Brummer), CC BY 4.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Measuring DPI impact
  “Measuring-tape.jpg” by Evan-Amos, Public domain, via Wikimedia Commons. Cropped to 3:2 and resized.
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  MOSIP and open-source identity
  “161129-Dulles-OFO-Ops-GF-098 (31197601392).jpg” by U.S. Customs and Border Protection, Public domain, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Open source or proprietary?
  “Colorful lines of code (Unsplash).jpg” by Ilya Pavlov, CC0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Nine design principles
  “Seattle - University Bridge blueprint, 1915 (49781358396).jpg” by Seattle Municipal Archives, CC BY 2.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  DPI for health: India's ABDM
  “Stethoscope No.120.JPG” by Tama998, CC0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  Singapore: Singpass, Myinfo, PayNow
  “Singapore HDB Apartment Block 506 Bishan (1).jpg” by MapStaringEnthusiast, CC0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  The DPI design toolkit
  “Chisel.jpg” by Tomomarusan, CC BY 2.5, via Wikimedia Commons. Cropped to 3:2 and resized.
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  UPI and instant payments
  “Potato Bean Tomato Veg Stall Ooty Market Nilgiris Aug25 A7CR 07103.jpg” by Timothy A. Gonsalves, CC BY-SA 4.0, via Wikimedia Commons. Cropped to 3:2 and resized.
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  What are open digital ecosystems?
  “M25-M23 motorway interchange, Surrey, England.jpg” by Mike McBey, CC BY 2.0, via Wikimedia Commons. Cropped to 3:2 and resized.

Fonts

The typefaces Schibsted Grotesk and IBM Plex Mono are published under the SIL Open Font License 1.1 and served from this site.