This process utilizes GPG for creation and verification of article signatures. There are resources online that describe how GPG is used. Familiarity with HTML documents is also necessary for this process.
Something like the following should be returned for a successful verification:
gpg: Signature made Tue 16 Jan 2018 05:23:31 PM MST using RSA key ID E6325C8A gpg: Good signature from "IfIWerePOTUS <ifiwerepotus-wt@ifiwerepotus.org>"
Something like the following would be returned for an UNSUCCESSFUL verification, such as if the article had been altered:
gpg: Signature made Tue 16 Jan 2018 05:23:31 PM MST using RSA key ID E6325C8A gpg: BAD signature from "IfIWerePOTUS <ifiwerepotus-wt@ifiwerepotus.org>"
-----BEGIN PGP PUBLIC KEY BLOCK----- mQINBFpUKUQBEACzbpm5/MyKDRULo3b6IGKVgqdoHDrj7ZCemJIsa/R+MtLeDxA7 kqJ+QRTNBavXIKeA+UYwbuty1LQvUhD3td/xWtJj1zjYFtctWOato0Kc0yVvoguf SjjNJl+Tjt5+UJEJDDXgUV4A5nKW57o39+8GW1lxOGRJ/m0eR0yRFHGcoFqBFzCz oG+gIURUDsBQ/geAFS5gs5yu0Vz4sc3dxNCxWJTOFZSiVSrEP7FeQykd8GuqPSD2 jlUw9XMGbxhBrUw14b50+9RRtHsmxh+AVj22t7om0qsOoUYLJ7CeWxy+ALEpoYmC Htfc6dHVdrNZblWC+V9R0I9HtZFH5z1wSysmTAOnoZizoA5SsYF0V25UH6ixGM1H Uh5TLiRwYM7njnFMkX9R+/I7AgjzarOYa2pDcPxhIvz6+3Z/2xz7UwoGxosZttTq fDCEcBu5+i708BIOlnFIZy99pobF4HzynDdOQUqeMLR3PDrfORRw4/dMtG6EkD6B 6FOBbK4noNyw4Cqs4wduyOOSIjSrYv8QDuZptkuvrZkMEWcG38anBzq1IcozSY6A pRHStQnxOhOdwQecbzZcMOpN8rOphJGA5j4HGdd9FaJA3qoa1NwhmxME0B9/Zggu Skj9uz5jH9olgsIxrYLmS52YEepO7tPc500GHojSh7ZXgmBLRzO417NiYQARAQAB tC9JZklXZXJlUE9UVVMgPGlmaXdlcmVwb3R1cy13dEBpZml3ZXJlcG90dXMub3Jn PokCOAQTAQIAIgUCWlQpRAIbAQYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQ dBPhNp3t08NBMw/+ID9BW9ih2qcGTJ7udDYKu2LVMsl3qA7nBCFpr8HqWuRoO8ig sMYiSQNN7uX5yBe4Z0G30Rp4gKBv2SDcCOVEi+m2nwZYtVldQKrSrEeOoKwiLN9G aIvIo/Ah1l1rEuRJtKZmGk5rZXaNycUGn5UkQyVU6OMTgHrnjNc/UdSg51l1QNJG 7eWHg3JxlbZkB0OC4L+N4O5QSBXTQUvb12Pt+gV23PX8qQqtC6rZMRQYiB8Punc8 K8ykty6v2FMzOYC2hLoJ0g+LjNDJxyzmpJp1irwbvHu26F8evqprgiroiXPgaiam SmhvMn/f7ZkD6qeGU5sraq5DDD8DR68AXdQSPoJf4VPGbvX7KsJRz8qpOBLR0+eV /0AnBF+oBgwVNiy71aQcSWHhZdfVguLyALbH6Kgnr3nRm3sEFW+e1aroe65PeeKo joRe+ZpIWdkrxblS1vVkyeD3+LWpfFiybxFP0o3cLjP4FYf3/WVCo8x/CpaspKGQ Qfdu9D61mei1mKLngWDkNjUw4twseoJx5QbTGepdyh90I8/SCG2jWEPo9INjQZZb dFq0M7oaxEXCVy6FCEtQLDlqA2nAkH85HXx7vAEGTWVTbGLDBHLSasAuarXaZqlN KA7OXEcjUF+F0J/0XmO4JC0Ouvyjyh/4THoGrtpsxGcM1EKmovX7sAHWB9C5Ag0E WlQpgAEQAJ1mSTSrFS4c0ppD5VX19qzUni4wse8yAlEYSSRAoOTSk4+nvjCbwKge tiz9FhBIoih51pPrWbvIhrIg6j4s0pwIh8hfJMxaIhq/3vx6N6JVCAwU3JbY+RrR Pq0dlSL9UWbWHAkluE18M+SDS/5TVjFEKyf4t05SWCQfQf6VGxIXpdM81jZ4W5kP Sj+/QarprwS6aMCvWLHZKTsfjgZuYvmYyyMZm6YJGs+n9GsSgZk7rQhYNTHVR3GH HQmLMCsg6t/gKD3IYER4pHFzbRhIKtefjJhIcbEZSkHCv0Ko3Wo1qgyHPEewzw4/ WYIadNPsBxqciw2nXWZqXKnv7dpbM4FoLFgTKaZwxDJRwbz838jAD3o8SvJmAer2 aeS4/pEn+T/xCHSzU16MxZ59NF29nwWWeFr02rtnSqM+mLideSgMklb6gt+n1iFn d9//nWDT6/z7nRNgA/dxQguHoH44ZlkrVl1dR3qw09Va3iKxNLI8eRsalcwlDEnG PpEKGelJWyIhA1Zy32RYzgCDJiIovHmMyVvN4Kuzm8WV8pEQQbX4pDWOPUhDubY9 mrzoRtSkNQbSZFtuV5SeSI4xqHaerr1kgl33ol4FP2qLvNonDZ9cHzkX7SrrwMVw 9Fz/aAOQD0M+75M3ZoD+mzP5h01EgplzrBO2WSoQ/eanPg0f3XZrABEBAAGJBEQE GAECAA8FAlpUKYACGwIFCQeEzgACKQkQdBPhNp3t08PBXSAEGQECAAYFAlpUKYAA CgkQZnUbveYyXIoAChAAj14Gy7BY8zn/If+Wgs0LRCaQo4Dmk6kYBz1wzwElAUIX lmIhVRbyuFidMp3t/6jGUzULgTWAxlUFY4KvfDGgJVrteYQS/EjLANN9xAgki4MR kmswUOxefcpdR7PyuHuc9CKBYePU3hsQFqzg2MJLYL54mH4XylMD+5xuLQ+LDZMD gWjFcsD6CXK8c8U0ayDlLBM6UgaYIeasqAnEm4xuLnn2NK2qxRyLvJlb09faWWeV 54c71rwuuHicd9jYngXsrJQNH1T6+qAGmBsj5YRmSckvwXQ4rYt3/NWC4P760EIW XAV8CeGuTdmeq3lPwZaFJxCEROfSpB4ZxBUKwzselz4vkeSdYExZuQvY5T1frc88 w8kL9GYMLvY/LmpPys+Jw4l4KMzQD4IOyD+peVmRnrtfBi4karzNriZiFVVzD4o7 vaVXf+EM/d5i40xNxuC5s5gxeqDiGwboqeqLnOdhQ2U7ae4Gd9y7AaUhuWUTn1Co cYnXmFCtjZnL4w4qi+MBFF0xojuARmTIm6m0ZTgbryJbrIAedljjLGz4BJrN+Ikn 5jGeRkWeWYtO4R0KeYgWFRFpgoJMnMxVw05gBrtE9B5c4vWwcD5B0LVREN+4te5i +nSGhzk3wa2LbQHe1Ljj1Jmx+SoyrgFfwUyHHPlrORho61w7l3/nAp4eG4+pX+eP 3Q//b13lVNBJHkZFAkBiwGWUpNRonUgIUvQKMnS6D8MKlJ7PYlAoIsXiVXeRHTPk XRYuQyEdyTgPF/MJ2kDKoHkTzpNmmDu8WqqkVTHB5tfitFLjvjzPPWUIwYweU9xh 7dGJ+QyVgLBfNQOBtM0M+h6p1LMxb0+LnAIvYg8LVq07iQlh6j1MAiMVfkfXAbc5 g8P0xAtxzDMd5EM6Dn4WixmRF7Xy8VKihn0YES+VNm95z4rp+fOxHU5Laz6QQSpq aUcg4xHWXaaJ0Y4DEa5mcJ9soEJteHZ+pQtzRV2e/o1+ffLpIfjVXLkRVUjpXoXW bjNi+KACtK5hFmIFjyjEvd9uOVzn21d1OmNg7Yra/Ru1++AiQ+bmqG5iakb1eiZ8 dSppCaU828Sb0NAjTH+YFTJx8RedldSjbW2G3453bo18bjWvPvHIsciDPmxgS6pl Sv9anfwwzwd1mIOm7XgZXHpN/0ztsCRec8xkXXHv0rF0xUQW5klRaOH62UEsRkqM RKjaNQW4kbOm4v/6e+Kvl5gxitc95Tn/8xeN8L4JTcZGEEIu7FQYXO0yxul7AttZ Ndp6yMpIb9vPMY3BtZbJpYqmuHY1m/EaJ6O91diGljSD58GKLWzjmQ5igNzHlnEN oQZD+OmFmBq/NtJikqNvFj7NfH6PrCZOPdRIJYufkHC8wCG5Ag0EWlQprgEQAM+G U3wlTei/BEWrDmii2J/mmrF1qp6ItknyAAQxPaGjVzN4LVRulAVcmAgFjUI+Fxc7 3rYpfp6orJV325xa4S1IWCoRV3ApZf54iOPseo8hyNwBxCM8UK+YoVGURO2MFeDA 6ZtCLUlB6jpLn89xr/t9P06ntMZHKC3S1Kl8P1nP50AJ7VzOXt0bg3k3xdhXLcwq 4Z9/YlMXpH5oEDHxLjuLTeuuWi4uHlKTtsaQRQIDxZpbcov/SYr4uIjglJLPFndy E6PubqaPIz/2e6Zak6o9YjDnYpu/e5yp0r40htS60WHKcJTnlFXcCaFHRiY7/ARB HcoYqLcVMfl47shOe2764LQdGL/DR2PXD+XKzTYpZ/uoOHfDV0oe9jUN45hUJAsS MEyXBfqbLj09sUhIR8sC2tHpxYapULdJIu/nEV0i/mHqfo1+0HFX1UaD8Ux/DqEH QAuTxLS54bGVWPzUQ9FbNyGLPj1ELmzZP9HVVNHgOdmfdhuQRzifvqmIb4aRIaqg XE8JHUCnmB2qlaxb2J3hkZqalCmExdtka1ha1epzMnZeVl4ug81pcNB0CFzX02MR +j+PHw7TSx7xepmlBk/Fls7Slzhr5rSdo0LpEH6CqoYcJ5Rk/Pd09GjXc4TIHvE+ 4+ezQd7NZw+hPZ/bDqxC/FzSJLRvUtrTMeAcCvUTABEBAAGJAiUEGAECAA8FAlpU Ka4CGwwFCQeEzgAACgkQdBPhNp3t08MBxg//bR+b9Ba40R0118vea3Z3fR5Af+Rb J7POxhlf34+NpY0BvoonKMByenW9xsy3evJqtFZFUIlxYYy1j7WV7ZVzqRAkVAD2 Wyk5KHsmKEHpioudr5LQJsddsivw/dkzn0qx8OEc2hudoVOJe98dr6hFnKTFq8tA cmA7UvaDpGeOCa1Kzp6spEpP0noZ82RQHXVLoka7MFlq55HIRSnGTrA/Kcm+pMlZ dIpyQj01j80oV/Wx+ueuKkRG/6qptG3ILnin1pVGfU3ZqSUDvqMeTJZ8FXgb00Uk P/4FDM6FqIX6YnjBo2ECQ92OhHrknSShZ2V1Ubx362TF2C50Th/T1VS75GY+tVtC XHrAE2wEoW4uUe+P3gXc0g+Vjpyl/qMTXxqLQo9DuIqE+UcIVCUMu6ieNFVrmDbi HrO3qj7KHmP2Bj4K1oDJqnPC/1XBJACiB9LVLtuQ/mQbvb9HWHYa50epSlejFbjy nIUIXTbAlhygWOd+ES24AY3ktZHDdUFqGTiYBu1ZV3hZuVaiPxy5lHGrlUhtluGP kb86+arlBDLRsR7JTAhh+ten/hLdJMYPhiG90ifCMBSqj52oU5hbjx/bX1pTibej wv/nJimyKv5YJgw9otUcleHKkCOnbPm/WjI20NHqQ4NbMQKuSvGcCLmPLE3YGbPi cyQ9wNZXIZyFOS25Ag0EWlQp4AEQANRF26ZNkuNemSi6pauApVkiCSgi+0Pnv7m5 oJpgZkN9fr70H2+dJj0gGKdbUbbHuWFP5vQABJ9vwES47k/uSae0J8esjWSPpwKP zG6mjz9X6zGcFtFawn0CINEIMEgaq6ghqqF8hIF/AtRjZryZROyhgfnQvQn8Aa2r Avs//I5ReB3Dchbrcsazoocs9exasZdySGHluTkYbPa4MG6fU7HNKLSEbxr/9sBp 0r3tHHMFROkXpZ8r5XYrWu1mM++aV1O7/3z1Yo6eQkaeqLG1bD8/ebd5suIk4d+e 69dKhGJiV8hMCpyyY8csk5WX7Q6XusQXTdxFbsUL6cKzciagY9rv/qtDW0Zasn9v kIAO6qwmrRTOSx6MLlSH5UV39xLo8LC/KBL65jOlsxKE60t5ngYNP7LJc8JXCi/F Nr3if0rfl8a0lpTvbX69xbLhz8JNuadTPhLWuY6qVgiq7oA7xISDt7IwArIu9+U/ 9mlkags3a0it0SZo945NRVAsjLIfNjjpMxRXiwg1Q588zdaJrZsuSLwFYk6vqfF8 E0ke929zKDbzYmbd00U7hZYMOdBISOsNizMlM7elBflTDUw9EX6iZPT7r+iNhvs4 1V74cssmFPkhe9RU1aq0BGW7R8kCXailROnXmpIENXgoOhyR1uSNCxwW7aMJWPTh cfy3XfT7ABEBAAGJAiUEGAECAA8FAlpUKeACGyAFCQeEzgAACgkQdBPhNp3t08Ot SA/9FymJVFGBj873NSXHW1Yv12MSUYHWeTVT4VfpkFgwewAJNNzZPGDxGkyNidpM 3iD7bRnlfLPl4TImzJePFBMCKGcOvoXhLTZnle2bbAhz8H5zSnnF8hc4yDDcDOjy u0s2vrZAJr/nz+siBnKH2ygOwe5F2QJhxJ4XPghF5oEfgIu1EnQLCuKY+OtBJufh ujTzSS+F9kqKHrE05Gb8oUhbDwsfzYLxJRX2BjRZB8IV/u//G9EZPNpMIXXsQNMG Y6xGhPUtRBLRkT5NwlGg7LjkNp550I3M7AI6j5KwgqcR3CjEeTyviJubGykbblXp Fa2hmH+OeVN5ccdYPBugQ6tYTx279Q+6hyA1Jmi/RrpUCf8nO3Rq16t7gd6npin7 IDwxARZ/+7aekWOZlGtGp86i+P+GOojHaGDpG+H7bH3GPP0DMWrV2Lo6+kYwwxN/ mwCzLEG0g0o4pSmAL4/qGveU3kK6ar3JuMHW+OXmuABOQHreaw4o7wnG3Ma5PZIS 8aU8Em9DsnQEoXm4vjRQ1YrUyQS6Bx1a4qup99oftAk6a6tanrRhpks07uRzUzCE 03jnAwRtORs56yctg8Ya35MtGOftdRv6bCKFfHeIE1SwSa+TUJWLM4I1h7ZKV/cm +D66/r1OdE6M8nk3aoy24xLKys+xv5V/SrzqsT6Gn8lw6d8= =eUJJ -----END PGP PUBLIC KEY BLOCK-----