The differences are the thick edges (transparency) and the small arrows (position). You can find the call for the left thick edge on the first Backend.draw (matrix(0.87888 0 0 0.87888 127.801 71.99902)), and the arrow (in front of "standard message") has a transformation matrix of matrix(0.87888 0.18372811 -0.18372811 0.87888 127.801 71.99902).
PDF: https://arxiv.org/pdf/2002.10413.pdf Page: 3 (0 indexed)
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The differences are the thick edges (transparency) and the small arrows (position). You can find the call for the left thick edge on the first Backend.draw (
matrix(0.87888 0 0 0.87888 127.801 71.99902)), and the arrow (in front of "standard message") has a transformation matrix ofmatrix(0.87888 0.18372811 -0.18372811 0.87888 127.801 71.99902).