<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> 
<dfn>日付印</dfn>や<dfn>時刻印</dfn>は、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">日付</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時刻</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">印</anchor>です。
回転機構や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">数字</anchor>印の組み合わせなどで、
任意の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">日付</anchor>や<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時刻</anchor>を表現し、
押印できます。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">計算機システム</anchor>では何らかの情報に紐付けられた<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">日時</anchor>データのことを<dfn><rubyb xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">タイムスタンプ<rt xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">timestamp</rt></rubyb></dfn>といいます。</p><figure class="short list"><ul><li><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">時刻印ロック</anchor></li><li><code class="DOMi" xml:lang="en">DOMTimeStamp</code></li><li><code class="DOMi" xml:lang="en">DOMHighResTimeStamp</code></li></ul></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <cite xml:lang="en">Prefer &quot;timestamp&quot; to &quot;time stamp&quot;</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">eggert</anchor>著, <time>2017-02-22 14:10:59 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/eggert/tz/commit/0b2900661908ec2373da22c628c67db9c02f0a7f">https://github.com/eggert/tz/commit/0b2900661908ec2373da22c628c67db9c02f0a7f</anchor-external></p><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <cite xml:lang="en">RFC 3339 - Date and Time on the Internet: Timestamps</cite>
(<time>2017-05-07 16:17:18 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://tools.ietf.org/html/rfc3339#section-2">https://tools.ietf.org/html/rfc3339#section-2</anchor-external></figcaption><blockquote><dl><dt>Timestamp</dt><dd>This term is used in this document to refer to an
unambiguous representation of some instant in time.</dd></dl></blockquote></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <cite xml:lang="en">Prefer “timestamp” to “time stamp”</cite>
(<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">eggert</anchor>著, <time>2018-05-28 02:53:50 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://github.com/eggert/tz/commit/eb4b696c17b0366ab5a0b4c77b527613fef295d8">https://github.com/eggert/tz/commit/eb4b696c17b0366ab5a0b4c77b527613fef295d8</anchor-external></p><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> <cite>VRML97, ISO/IEC 14772-1:1997 -- 3 Definitions</cite>
(<time>2014-01-31 07:20:50 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://www.web3d.org/documents/specifications/14772/V2.0/part1/glossary.html#Timestamp">https://www.web3d.org/documents/specifications/14772/V2.0/part1/glossary.html#Timestamp</anchor-external></figcaption><blockquote><p>3.100 timestamp</p><p>The part of a message that describes the time the event occurred and that caused the message to be sent. </p></blockquote></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end> <cite xml:lang="ja">サンビー株式会社 テクノタッチデーター</cite>, <time>2023-03-15T03:06:12.000Z</time> <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://www.sanby.co.jp/product/td.html">https://www.sanby.co.jp/product/td.html</anchor-external></p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end> 
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">サーバー証明書</anchor>でいう <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Let's Encrypt</anchor> くらいの気軽さと信頼性のバランス (と価格)
で使える<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">タイムスタンピング</anchor>サービスがあればいいんだけどなあ。
今のだと中小企業や個人で日常的に使う感じには絶対ならないんだよな。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end> 
いっそ印鑑の業界あたりで業界挙げた新規事業としてやってくれればいいのにねえ。
実物との抱き合わせ販売とかでいいので。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[10]</anchor-end> 
電子化のため印鑑やめようって掛け声だけはいいのにそれにかわる環境の整備はなんにもしないし印鑑業界も放置なのは本当によくないよね。
聞いてるか<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">デジタル庁</anchor>? 一人も取り残さないんじゃなかったんかよ?</p></body></html>