I took the index on the words, transformed the variety to binary, included a few zeros, calculated the sha256 digest, took the initial A part of the hexadecimal to transform it to binary, additional a few zeros into the 8 digits of the binary and obtained 00000010011 which translates to https://bookmarking1.com/story18801103/considerations-to-know-about-bip39-word-list-pdf