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‎bdasl.html‎

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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Big DASL (BDASL)</title>
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<link rel="stylesheet" href="spec.css"><link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><rect x=%220%22 y=%220%22 width=%22100%22 height=%22100%22 fill=%22%2300ff75%22></rect></svg>"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" property="og:title" content="DASL: Big DASL (BDASL)"><meta name="twitter:description" property="og:description" content="BDASL extends DASL CIDs with a new hash type that works better for large files but isn't available by default in browsers, and therefore not an appropriate option in most situations."><meta name="twitter:image" property="og:image" content="https://dasl.ing/bdasl.png"><meta name="twitter:image:alt" content="Very colourful stripes, so colourful it hurts"><meta name="twitter:url" property="og:url" content="https://dasl.ing/"><meta property="og:site_name" content="DASL"><meta property="og:locale" content="en"><meta name="theme-color" content="#00ff75"></head>
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Big DASL (BDASL)</h1><table><tbody><tr><th>date</th><td>2025-02-05</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Big DASL (BDASL)</h1><table><tbody><tr><th>date</th><td>2025-02-25</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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<p>
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BDASL extends DASL CIDs with a new hash type that works better for large files but isn't
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available by default in browsers, and therefore not an appropriate option in most
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<section><h2>References</h2><dl><dt id="ref-blake3">[blake3]</dt><dd>J-P. Aumasson, S. Neves, J. O'Connor, Z. Wilcox. <a href="https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html"><cite>The BLAKE3 Hashing Framework</cite></a>. July 2024. URL:&nbsp;<a href="https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html">https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html</a></dd><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd></dl></section></main></body></html>
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<section><h2>References</h2><dl><dt id="ref-blake3">[blake3]</dt><dd>J-P. Aumasson, S. Neves, J. O'Connor, Z. Wilcox. <a href="https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html"><cite>The BLAKE3 Hashing Framework</cite></a>. July 2024. URL:&nbsp;<a href="https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html">https://www.ietf.org/archive/id/draft-aumasson-blake3-00.html</a></dd><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd></dl></section></main></body></html>

‎car.html‎

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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Content-Addressable aRchives (CAR)</title>
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<link rel="stylesheet" href="spec.css"><link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><rect x=%220%22 y=%220%22 width=%22100%22 height=%22100%22 fill=%22%2300ff75%22></rect></svg>"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" property="og:title" content="DASL: Content-Addressable aRchives (CAR)"><meta name="twitter:description" property="og:description" content="The CAR format offers a serialized representation of set of content-addressed resources in one single concatenated stream, alongside a header that describes that content."><meta name="twitter:image" property="og:image" content="https://dasl.ing/car.png"><meta name="twitter:image:alt" content="Very colourful stripes, so colourful it hurts"><meta name="twitter:url" property="og:url" content="https://dasl.ing/"><meta property="og:site_name" content="DASL"><meta property="og:locale" content="en"><meta name="theme-color" content="#00ff75"></head>
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Content-Addressable aRchives (CAR)</h1><table><tbody><tr><th>date</th><td>2025-02-05</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Content-Addressable aRchives (CAR)</h1><table><tbody><tr><th>date</th><td>2025-02-25</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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The CAR format offers a serialized representation of set of content-addressed
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<section><h2>References</h2><dl><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd><dt id="ref-dcbor42">[dcbor42]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/dcbor42.html"><cite>Deterministic CBOR with tag 42 (dCBOR42)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/dcbor42.html">https://dasl.ing/dcbor42.html</a></dd><dt id="ref-leb128">[leb128]</dt><dd>Wikipedia. <a href="https://en.wikipedia.org/wiki/LEB128"><cite>LEB128</cite></a>. Retrieved December 2024. URL:&nbsp;<a href="https://en.wikipedia.org/wiki/LEB128">https://en.wikipedia.org/wiki/LEB128</a></dd></dl></section></main></body></html>
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<section><h2>References</h2><dl><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd><dt id="ref-dcbor42">[dcbor42]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/dcbor42.html"><cite>Deterministic CBOR with tag 42 (dCBOR42)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/dcbor42.html">https://dasl.ing/dcbor42.html</a></dd><dt id="ref-leb128">[leb128]</dt><dd>Wikipedia. <a href="https://en.wikipedia.org/wiki/LEB128"><cite>LEB128</cite></a>. Retrieved December 2024. URL:&nbsp;<a href="https://en.wikipedia.org/wiki/LEB128">https://en.wikipedia.org/wiki/LEB128</a></dd></dl></section></main></body></html>

‎cid.html‎

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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Content IDs (CIDs)</title>
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<link rel="stylesheet" href="spec.css"><link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><rect x=%220%22 y=%220%22 width=%22100%22 height=%22100%22 fill=%22%2300ff75%22></rect></svg>"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" property="og:title" content="DASL: Content IDs (CIDs)"><meta name="twitter:description" property="og:description" content="DASL CIDs are a simple structured identifier format for content addressing. They encapsulate a hash with enough metadata to be extensible (to add new hash types in the future) and to indicate whether they are pointing to raw bytes or to structured data."><meta name="twitter:image" property="og:image" content="https://dasl.ing/cid.png"><meta name="twitter:image:alt" content="Very colourful stripes, so colourful it hurts"><meta name="twitter:url" property="og:url" content="https://dasl.ing/"><meta property="og:site_name" content="DASL"><meta property="og:locale" content="en"><meta name="theme-color" content="#00ff75"></head>
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Content IDs (CIDs)</h1><table><tbody><tr><th>date</th><td>2025-02-05</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Content IDs (CIDs)</h1><table><tbody><tr><th>date</th><td>2025-02-25</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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DASL CIDs are a simple structured identifier format for content addressing. They encapsulate a hash
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with enough metadata to be extensible (to add new hash types in the future) and to indicate whether
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<section><h2>References</h2><dl><dt id="ref-car">[car]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/car.html"><cite>Content-Addressable aRchives (CAR)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/car.html">https://dasl.ing/car.html</a></dd><dt id="ref-dcbor42">[dcbor42]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/dcbor42.html"><cite>Deterministic CBOR with tag 42 (dCBOR42)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/dcbor42.html">https://dasl.ing/dcbor42.html</a></dd><dt id="ref-leb128">[leb128]</dt><dd>Wikipedia. <a href="https://en.wikipedia.org/wiki/LEB128"><cite>LEB128</cite></a>. Retrieved December 2024. URL:&nbsp;<a href="https://en.wikipedia.org/wiki/LEB128">https://en.wikipedia.org/wiki/LEB128</a></dd><dt id="ref-rfc4648">[rfc4648]</dt><dd>S. Josefsson. <a href="https://www.rfc-editor.org/rfc/rfc4648"><cite>The Base16, Base32, and Base64 Data Encodings</cite></a>. October 2006. URL:&nbsp;<a href="https://www.rfc-editor.org/rfc/rfc4648">https://www.rfc-editor.org/rfc/rfc4648</a></dd><dt id="ref-sha256">[sha256]</dt><dd>National Institute of Standards and Technology, <cite>Secure Hash Algorithm. NIST FIPS 180-2</cite>. August 2002.</dd></dl></section></main></body></html>
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<section><h2>References</h2><dl><dt id="ref-car">[car]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/car.html"><cite>Content-Addressable aRchives (CAR)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/car.html">https://dasl.ing/car.html</a></dd><dt id="ref-dcbor42">[dcbor42]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/dcbor42.html"><cite>Deterministic CBOR with tag 42 (dCBOR42)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/dcbor42.html">https://dasl.ing/dcbor42.html</a></dd><dt id="ref-leb128">[leb128]</dt><dd>Wikipedia. <a href="https://en.wikipedia.org/wiki/LEB128"><cite>LEB128</cite></a>. Retrieved December 2024. URL:&nbsp;<a href="https://en.wikipedia.org/wiki/LEB128">https://en.wikipedia.org/wiki/LEB128</a></dd><dt id="ref-rfc4648">[rfc4648]</dt><dd>S. Josefsson. <a href="https://www.rfc-editor.org/rfc/rfc4648"><cite>The Base16, Base32, and Base64 Data Encodings</cite></a>. October 2006. URL:&nbsp;<a href="https://www.rfc-editor.org/rfc/rfc4648">https://www.rfc-editor.org/rfc/rfc4648</a></dd><dt id="ref-sha256">[sha256]</dt><dd>National Institute of Standards and Technology, <cite>Secure Hash Algorithm. NIST FIPS 180-2</cite>. August 2002.</dd></dl></section></main></body></html>

‎dcbor42.html‎

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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Deterministic CBOR with tag 42 (dCBOR42)</title>
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<link rel="stylesheet" href="spec.css"><link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><rect x=%220%22 y=%220%22 width=%22100%22 height=%22100%22 fill=%22%2300ff75%22></rect></svg>"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:title" property="og:title" content="DASL: Deterministic CBOR with tag 42 (dCBOR42)"><meta name="twitter:description" property="og:description" content="dCBOR42 is a serialization format that is deterministic (so that the same data will have the same CID) and that features native support for using CIDs as links."><meta name="twitter:image" property="og:image" content="https://dasl.ing/dcbor42.png"><meta name="twitter:image:alt" content="Very colourful stripes, so colourful it hurts"><meta name="twitter:url" property="og:url" content="https://dasl.ing/"><meta property="og:site_name" content="DASL"><meta property="og:locale" content="en"><meta name="theme-color" content="#00ff75"></head>
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Deterministic CBOR with tag 42 (dCBOR42)</h1><table><tbody><tr><th>date</th><td>2025-02-05</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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<body><div class="nav-back">A specification of the <a href="/">DASL Project</a>.</div><main><header><h1>Deterministic CBOR with tag 42 (dCBOR42)</h1><table><tbody><tr><th>date</th><td>2025-02-25</td></tr><tr><th>editors</th><td><a href="https://berjon.com/">Robin Berjon</a> &lt;<a href="mailto:robin@berjon.com">robin@berjon.com</a>&gt;<br><a href="https://bumblefudge.com/">Juan Caballero</a> &lt;<a href="mailto:bumblefudge@learningproof.xyz">bumblefudge@learningproof.xyz</a>&gt;</td></tr><tr><th>issues</th><td><a href="https://github.com/darobin/dasl.ing/issues">list</a>, <a href="https://github.com/darobin/dasl.ing/issues/new">new</a></td></tr><tr><th>abstract</th><td><div id="abstract">
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dCBOR42 is a serialization format that is deterministic (so that the same
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<section><h2>References</h2><dl><dt id="ref-cbor">[cbor]</dt><dd>C. Bormann. &amp; P. Hoffman. <a href="https://www.rfc-editor.org/info/rfc8949"><cite>Concise Binary Object Representation (CBOR)</cite></a>. October 2024. URL:&nbsp;<a href="https://www.rfc-editor.org/info/rfc8949">https://www.rfc-editor.org/info/rfc8949</a></dd><dt id="ref-cde">[cde]</dt><dd>C. Bormann. <a href="https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06"><cite>CBOR Common Deterministic Encoding (CDE)</cite></a>. October 2024. URL:&nbsp;<a href="https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06">https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06</a></dd><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-05. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd><dt id="ref-dcbor">[dcbor]</dt><dd>W. McNally, C. Allen, C. Bormann, &amp; L. Lundblade. <a href="https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/"><cite>dCBOR: A Deterministic CBOR Application Profile</cite></a>. October 2024. URL:&nbsp;<a href="https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/">https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/</a></dd></dl></section></main></body></html>
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<section><h2>References</h2><dl><dt id="ref-cbor">[cbor]</dt><dd>C. Bormann. &amp; P. Hoffman. <a href="https://www.rfc-editor.org/info/rfc8949"><cite>Concise Binary Object Representation (CBOR)</cite></a>. October 2024. URL:&nbsp;<a href="https://www.rfc-editor.org/info/rfc8949">https://www.rfc-editor.org/info/rfc8949</a></dd><dt id="ref-cde">[cde]</dt><dd>C. Bormann. <a href="https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06"><cite>CBOR Common Deterministic Encoding (CDE)</cite></a>. October 2024. URL:&nbsp;<a href="https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06">https://datatracker.ietf.org/doc/html/draft-ietf-cbor-cde-06</a></dd><dt id="ref-cid">[cid]</dt><dd>Robin Berjon &amp; Juan Caballero. <a href="https://dasl.ing/cid.html"><cite>Content IDs (CIDs)</cite></a>. 2025-02-25. URL:&nbsp;<a href="https://dasl.ing/cid.html">https://dasl.ing/cid.html</a></dd><dt id="ref-dcbor">[dcbor]</dt><dd>W. McNally, C. Allen, C. Bormann, &amp; L. Lundblade. <a href="https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/"><cite>dCBOR: A Deterministic CBOR Application Profile</cite></a>. October 2024. URL:&nbsp;<a href="https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/">https://datatracker.ietf.org/doc/draft-mcnally-deterministic-cbor/</a></dd></dl></section></main></body></html>

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