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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://chaos.social/users/dojoe/statuses/114404062383207065">dojoe (dojoe@chaos.social)'s status on Saturday, 26-Apr-2025 21:56:14 JST</a><a href="https://chaos.social/@dojoe" title="dojoe@chaos.social"><img src="https://gnusocial.jp/avatar/250503-48-20240319113620.webp" width="48" height="48" alt="dojoe" style="position: absolute; left: 0; top: 0;">dojoe</a><div><a href="https://chaos.social/@dojoe/114404052729125609" rel="in-reply-to">in reply to</a><ul><li></ul></div></section><article><p><a href="https://mastodon.social/@jtruk">@jtruk</a> <a href="https://icosahedron.website/@revisionparty">@revisionparty</a> <br>References:<br>- SpotCode (predecessor of ShotCode) spec: <a href="https://web.archive.org/web/20040803155556/http://www.highenergymagic.com/spotcode/symbols.html" rel="nofollow noreferrer">https://web.archive.org/web/20040803155556/http://www.highenergymagic.com/spotcode/symbols.html</a><br>- Another circular barcode from the SpotCode group with specs: <a href="https://anil.recoil.org/papers/2005-mc2r-bluespot.pdf" rel="nofollow noreferrer">https://anil.recoil.org/papers/2005-mc2r-bluespot.pdf</a><br>- Counting the example image on the Wikipedia page for ShotCode implies two rings of 24 sectors each which would make sense for 40 bits plus some sync and checksum</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4957804#notice-9714636">In conversation</a><time datetime="2025-04-26T21:56:14+09:00" title="Saturday, 26-Apr-2025 21:56:14 JST">about a month ago</time> <span>from <span><a href="https://chaos.social/@dojoe/114404062383207065" rel="external" title="Sent from chaos.social via ActivityPub">chaos.social</a></span></span><a href="https://chaos.social/@dojoe/114404062383207065">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: web.archive.org</div><h5><a href="https://web.archive.org/web/20040803155556/http://www.highenergymagic.com/spotcode/symbols.html">High Energy Magic Ltd.</a></h5><div></div></header><div></div><footer></footer></article></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/4529279">Untitled attachment</a></label><br></li></ol></footer></blockquote>

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dojoe (dojoe@chaos.social)'s status on Saturday, 26-Apr-2025 21:56:14 JSTdojoe
in reply to
- James
@jtruk @revisionparty
References:
- SpotCode (predecessor of ShotCode) spec: https://web.archive.org/web/20040803155556/http://www.highenergymagic.com/spotcode/symbols.html
- Another circular barcode from the SpotCode group with specs: https://anil.recoil.org/papers/2005-mc2r-bluespot.pdf
- Counting the example image on the Wikipedia page for ShotCode implies two rings of 24 sectors each which would make sense for 40 bits plus some sync and checksum
In conversationabout a month ago from chaos.socialpermalink
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1. Domain not in remote thumbnail source whitelist: web.archive.org
  High Energy Magic Ltd.
2. Untitled attachment

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