2024-08-22 16:09:04 +02:00
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="color-scheme" content="dark light" />
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2024-08-25 11:44:59 +02:00
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<title>Blasta / pubsub</title>
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2024-08-22 16:09:04 +02:00
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<link rel="shortcut icon" href="/graphic/blasta.svg"/>
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<link rel='icon' type='image/svg+xml' href='/graphic/blasta.svg'/>
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<link rel='stylesheet' type='text/css' media='screen' href='/stylesheet/stylesheet.css'/>
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2024-09-04 16:31:52 +02:00
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<script src="/script/regulator.js" />
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2024-08-22 16:09:04 +02:00
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</head>
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<body>
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<div id="container">
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<div id="header" class="row">
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<h1>
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<img src="/graphic/blasta.svg"/>
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2024-08-28 17:13:58 +02:00
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2024-09-04 16:31:52 +02:00
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<a href="/">
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Blasta
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</a>
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/
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<a href="/help">
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help
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</a>
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/
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<a href="/help/about">
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about
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</a>
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/
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<a href="/help/about/xmpp">
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xmpp
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</a>
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/ pubsub
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2024-08-22 16:09:04 +02:00
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</h1>
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<dl id="navigation">
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<dd>
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2024-09-04 16:31:52 +02:00
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<a href="/">
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<img alt="Main"
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src="/graphic/blasta.svg"/>
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</a>
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2024-08-22 16:09:04 +02:00
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</dd>
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{% if jabber_id %}
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2024-08-28 14:03:19 +02:00
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<dd>
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<a href="/save">Add</a>
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</dd>
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2024-08-22 16:09:04 +02:00
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<dd>
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<a href="/jid">Public</a>
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</dd>
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<dd>
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<a href="/private">Private</a>
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</dd>
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<dd>
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<a href="/read">Read</a>
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</dd>
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{% endif %}
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<dd>
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<a href="/search{% if jabber_id %}/jid/{{jabber_id}}{% endif %}">Search</a>
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</dd>
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<dd>
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<a href="/popular">Popular</a>
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</dd>
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<dd>
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<a href="/recent">Recent</a>
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</dd>
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<dd>
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{% if jabber_id %}
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<a href="/disconnect">Disconnect</a>
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{% else %}
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<a href="/connect">Connect</a>
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{% endif %}
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</dd>
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</dl>
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</div>
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<div id="main" class="row">
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<div id="content">
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2024-08-28 18:01:08 +02:00
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<h2>
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<img alt="💡" src="/graphic/xmpp.svg" width="18" height="18"/>
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PubSub bookmarks
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</h2>
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<p>
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» This is a help guide for XMPP PubSub of Blasta.
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</p>
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<h3>
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PubSub
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</h3>
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2024-08-22 16:09:04 +02:00
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<p>
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Blasta manages and posts information on PubSub nodes of your
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own XMPP account.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Synopsis
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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The technologies (i.e. standards and specifications) that
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are being served for this task are Atom Syndication Format
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(ASF) and Publish-Subscribe.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Atom Syndication Format (RFC 4287)
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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The Atom Syndication Format or ASF is a standard for
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syndication which was yielded from RSS. The ASF was
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approved by the Internet Engineering Task Force (IETF)
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as <a href="https://www.rfc-editor.org/rfc/rfc4287">
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RFC 4287</a> in december 2005.
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</p>
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<p>
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This standard is an XML-based document format that describes
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lists of related information known as "feeds". Feeds are
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composed of a number of items, known as "entries", each with
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an extensible set of attached metadata. For example, each
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entry has a title.
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</p>
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<p>
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The primary use case that Atom addresses is the syndication
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of content such as journals and news headlines to sites as
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well as directly to user agents.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Publish-Subscribe (XEP-0060)
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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Publish-Subscribe or PubSub is an XEP specification for
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XMPP which was approved by the XMPP Standard Foundation (XSF)
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as <a href="https://xmpp.org/extensions/xep-0060.html">
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XEP-0060</a> in november 2002.
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</p>
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<p>
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This specification defines an XMPP protocol extension for
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generic publish-subscribe functionality. The protocol
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enables XMPP entities to create nodes (topics) at a pubsub
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service and publish information at those nodes; an event
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notification (with or without payload) is then broadcasted
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to all entities that have subscribed to the node. Pubsub
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therefore adheres to the classic Observer design pattern and
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can serve as the foundation for a wide variety of applications,
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including news feeds, content syndication, rich presence,
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geolocation, workflow systems, network management systems,
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and any other application that requires event notifications.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Atomsub
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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Atomsub, or Atom Over XMPP, is the combination of PubSub and
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Atom. <a href="/help/about/xmpp/atomsub">Learn more</a>.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Technicalities
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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The location at which Blasta stores your information is inside
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node <code>urn:xmpp:bibliography:0</code> of
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<code>{% if jabber_id %}{{jabber_id}}{% else %}your@jabber.id{% endif %}</code>
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which interpretes to <a href="
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xmpp:{% if jabber_id %}{{jabber_id}}{% else %}your@jabber.id{% endif %}?;node=urn:xmpp:bibliography:0">
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xmpp:{% if jabber_id %}{{jabber_id}}{% else %}your@jabber.id{% endif %}?;node=urn:xmpp:bibliography:0</a>
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and is where you can find all of your information, even if
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this Blasta instance be offline.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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PubSub
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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This is an illustrated example of a node item which stores
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as an Atom entry.
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</p>
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<pre>
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JID : {% if jabber_id %}{{jabber_id}}{% else %}your@jabber.id{% endif %}
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Node : urn:xmpp:bibliography:0
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Item : 3d0db4c019a01ebbbab1cf0723ed7ddd
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</pre>
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<p>
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The item ID is a an MD5 string which was yielded by a URL
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which was hashed by the MD5 algorithm, and is used as a
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representation of a URL ID for referential purposes in the
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Blasta system.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Atom
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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This is an illustrated example of an Atom Syndication Format
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entry which is stored in item
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<code>3d0db4c019a01ebbbab1cf0723ed7ddd</code>.
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</p>
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<pre>
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Title : The Pirate Bay - The most resilient BitTorrent site
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Summary : Download music, movies, games, software!
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Category : brand:the-pirate-bay
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Category : directory:torrent
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Category : service:search
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Link : https://tpb.party/
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Published : {{date_now_iso}}
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Updated : {{date_now_iso}}
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</pre>
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2024-08-28 18:01:08 +02:00
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<p>
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This is the data as retrieved by an XMPP IQ Stanza.
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</p>
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2024-08-22 16:09:04 +02:00
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<pre>
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<item xmlns="http://jabber.org/protocol/pubsub" id="3d0db4c019a01ebbbab1cf0723ed7ddd">
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<entry xmlns="http://www.w3.org/2005/Atom">
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<title type="text">The Pirate Bay - The most resilient BitTorrent site</title>
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<summary type="text">Download music, movies, games, software!</summary>
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<category term="brand:the-pirate-bay" />
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<category term="directory:torrent" />
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<category term="service:search" />
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<link href="https://tpb.party/" />
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<published>{{date_now_iso}}</published>
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<updated>{{date_now_iso}}</updated>
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</entry>
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</item>
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</pre>
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<p>
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Which be realized in Blasta as follows.
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</p>
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<h4>
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<a href="https://tpb.party/">
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The Pirate Bay - The most resilient BitTorrent site
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</a>
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</h4>
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<p class="summary">Download music, movies, games, software!</p>
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<div class="details">
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to
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<a href="/?tags=brand:the-pirate-bay">
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brand:the-pirate-bay
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</a>
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2024-08-25 11:44:59 +02:00
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​ 
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2024-08-22 16:09:04 +02:00
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<a href="/?tags=directory:torrent">
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directory:torrent
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</a>
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2024-08-25 11:44:59 +02:00
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​ 
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2024-08-22 16:09:04 +02:00
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<a href="/?tags=service:search">
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service:search
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</a>
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2024-08-25 11:44:59 +02:00
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​ 
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2024-08-22 16:09:04 +02:00
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by
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<a href="/jid/fionn@jabber.i2p">Fionn</a>
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2024-08-25 11:44:59 +02:00
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…
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2024-08-22 16:09:04 +02:00
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<a href="/url/3d0db4c019a01ebbbab1cf0723ed7ddd">
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<span class="instances-degree-fourth">and 57,293 other people</span>
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</a>
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2024-08-25 11:44:59 +02:00
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​ 
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2024-08-22 16:09:04 +02:00
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at
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<span class="date">{{date_now_readable}}</span>
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</div>
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2024-08-28 18:01:08 +02:00
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<h4>
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Conclusion
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</h4>
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2024-08-22 16:09:04 +02:00
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<p>
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This was an illustrative representation of how your data is
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stored by Blasta as Atom feed entries on Publish-Subscribe
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node <code>urn:xmpp:bibliography:0</code> of your XMPP
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account.
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</p>
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2024-08-28 18:01:08 +02:00
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<h4>
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Resources
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</h4>
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2024-08-25 11:44:59 +02:00
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<ul>
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<li>
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<a href="https://wiki.xmpp.org/web/PubSub_message_types">
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PubSub message types
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</a>
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​ 
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(wiki.xmpp.org)
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</li>
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<li>
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<a href="https://wiki.xmpp.org/web/Tech_pages/PubSub">
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Tech pages/PubSub
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</a>
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​ 
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(wiki.xmpp.org)
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</li>
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</ul>
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2024-08-22 16:09:04 +02:00
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<br/>
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2024-11-13 15:41:33 +01:00
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<p class="quote bottom">
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“Technology is extremely powerful and has the potential to
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change the world; however, it cannot realize its full
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potential unless people feel the need to use it. Some
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researchers agree, that to ensure the success of new
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technology, the focus should be on the people’s perspective
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rather than on the technology itself. Designing a new
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experience is a process that facilitates the relationship
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between technology and people; thus, balanced research
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should be conducted from both perspectives.”
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― <a href="https://www.diva.exchange/en/privacy/trust-in-the-cryptocurrency-economy-resolving-the-problem-experience-of-diva-exchange-part-2/">
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DIVA.EXCHANGE
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</a>
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2024-08-22 16:09:04 +02:00
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</p>
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