These files are local copies of the original resources. The test-only resource loader recognizes only the two original HTTPS identifiers below; tests never fetch the network. Git pins the bytes, and the hashes record the original imported versions.

PNG_transparency_demonstration_1.png: Daniel G. (2005), Ed g2s (2009), CyberShadow (2019). Used under CC BY-SA 3.0. Source and attribution. No changes were made.

SVG_Logo.svg: W3C SVG Logo, designer Harvey Rayner. Used under CC BY-SA 4.0, as offered by the W3C SVG logo usage policy. Downloaded source. Only trailing whitespace on two lines was removed. The geometry and historical license metadata embedded in the SVG are unchanged. The stored SVG SHA-256 is d30bfc13fbe53152e2eaf3cec4c010c074097780dea5d25eb5a8ba6c0016eba9. The current W3C policy provides the CC BY-SA 4.0 option separately. These test inputs do not imply endorsement.