/usr/share/doc/racket/stamp.sxref is in racket-doc 6.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ("14bd9d080e8e5e98fe501e896326c29e90fd4e3679bb78b09badde7cc257c39791d2adb8b8de7f3d" "c7a6e669961eabf8b60bb84cd7d316191aa1e09467bac8c41d5362e9129385445cf0460cbc5db6ea" "78c9c50af1e7be87d9e1bf32c56c1f56e3fa8c14")
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