A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://www.w3.org/ns/activitystreams",
{
"ostatus": "http://ostatus.org#",
"atomUri": "ostatus:atomUri",
"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
"sensitive": "as:sensitive",
"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"Hashtag": "as:Hashtag"
}
],
"id": "https://abpe.org/users/gslin/statuses/113934229904184236",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-02-02T12:13:01Z",
"url": "https://abpe.org/@gslin/113934229904184236",
"attributedTo": "https://abpe.org/users/gslin",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://abpe.org/users/gslin/followers"
],
"sensitive": false,
"atomUri": "https://abpe.org/users/gslin/statuses/113934229904184236",
"inReplyToAtomUri": null,
"conversation": "tag:abpe.org,2025-02-02:objectId=193165:objectType=Conversation",
"content": "<p>BZip3</p><p>在 Hacker News 上看到 BZip3 的連結：「Bzip3: A spiritual successor to BZip2 (github.com/kspalaiologos)」。</p><p>雖然名字看起來與 bzip2 有關，但看起來是不同的人弄出來的東西，不過有些經典的演算法有留下來用，像是 Burrows-Wheeler transform。</p><p>另外值得一提的是，bzip2 是 1996 年出的 (不過 1.0 大約是 2000 年時出的)，BZip3 的第一個 release 在 2022 年，這段時間也累積了不少有趣的演算法可以用。</p><p>無損壓縮中如果期望有比較的壓縮率，目前比較常用的應該是 LZMA 類的演算法 (差不多是 2001 年出現的)，用的工具通常會是 X</p><p><a href=\"https://blog.gslin.org/archives/2025/02/02/12240/bzip3/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.gslin.org/archives/2025/0</span><span class=\"invisible\">2/02/12240/bzip3/</span></a></p><p><a href=\"https://abpe.org/tags/Computer\" class=\"mention hashtag\" rel=\"tag\">#<span>Computer</span></a> <a href=\"https://abpe.org/tags/Murmuring\" class=\"mention hashtag\" rel=\"tag\">#<span>Murmuring</span></a> <a href=\"https://abpe.org/tags/Software\" class=\"mention hashtag\" rel=\"tag\">#<span>Software</span></a> <a href=\"https://abpe.org/tags/bzip2\" class=\"mention hashtag\" rel=\"tag\">#<span>bzip2</span></a> <a href=\"https://abpe.org/tags/bzip3\" class=\"mention hashtag\" rel=\"tag\">#<span>bzip3</span></a> <a href=\"https://abpe.org/tags/compression\" class=\"mention hashtag\" rel=\"tag\">#<span>compression</span></a> <a href=\"https://abpe.org/tags/lzma\" class=\"mention hashtag\" rel=\"tag\">#<span>lzma</span></a> <a href=\"https://abpe.org/tags/ratio\" class=\"mention hashtag\" rel=\"tag\">#<span>ratio</span></a> <a href=\"https://abpe.org/tags/xz\" class=\"mention hashtag\" rel=\"tag\">#<span>xz</span></a></p>",
"contentMap": {
"zh": "<p>BZip3</p><p>在 Hacker News 上看到 BZip3 的連結：「Bzip3: A spiritual successor to BZip2 (github.com/kspalaiologos)」。</p><p>雖然名字看起來與 bzip2 有關，但看起來是不同的人弄出來的東西，不過有些經典的演算法有留下來用，像是 Burrows-Wheeler transform。</p><p>另外值得一提的是，bzip2 是 1996 年出的 (不過 1.0 大約是 2000 年時出的)，BZip3 的第一個 release 在 2022 年，這段時間也累積了不少有趣的演算法可以用。</p><p>無損壓縮中如果期望有比較的壓縮率，目前比較常用的應該是 LZMA 類的演算法 (差不多是 2001 年出現的)，用的工具通常會是 X</p><p><a href=\"https://blog.gslin.org/archives/2025/02/02/12240/bzip3/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.gslin.org/archives/2025/0</span><span class=\"invisible\">2/02/12240/bzip3/</span></a></p><p><a href=\"https://abpe.org/tags/Computer\" class=\"mention hashtag\" rel=\"tag\">#<span>Computer</span></a> <a href=\"https://abpe.org/tags/Murmuring\" class=\"mention hashtag\" rel=\"tag\">#<span>Murmuring</span></a> <a href=\"https://abpe.org/tags/Software\" class=\"mention hashtag\" rel=\"tag\">#<span>Software</span></a> <a href=\"https://abpe.org/tags/bzip2\" class=\"mention hashtag\" rel=\"tag\">#<span>bzip2</span></a> <a href=\"https://abpe.org/tags/bzip3\" class=\"mention hashtag\" rel=\"tag\">#<span>bzip3</span></a> <a href=\"https://abpe.org/tags/compression\" class=\"mention hashtag\" rel=\"tag\">#<span>compression</span></a> <a href=\"https://abpe.org/tags/lzma\" class=\"mention hashtag\" rel=\"tag\">#<span>lzma</span></a> <a href=\"https://abpe.org/tags/ratio\" class=\"mention hashtag\" rel=\"tag\">#<span>ratio</span></a> <a href=\"https://abpe.org/tags/xz\" class=\"mention hashtag\" rel=\"tag\">#<span>xz</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://abpe.org/tags/computer",
"name": "#computer"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/murmuring",
"name": "#murmuring"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/software",
"name": "#software"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/bzip2",
"name": "#bzip2"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/bzip3",
"name": "#bzip3"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/compression",
"name": "#compression"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/lzma",
"name": "#lzma"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/ratio",
"name": "#ratio"
},
{
"type": "Hashtag",
"href": "https://abpe.org/tags/xz",
"name": "#xz"
}
],
"replies": {
"id": "https://abpe.org/users/gslin/statuses/113934229904184236/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://abpe.org/users/gslin/statuses/113934229904184236/replies?only_other_accounts=true&page=true",
"partOf": "https://abpe.org/users/gslin/statuses/113934229904184236/replies",
"items": []
}
},
"likes": {
"id": "https://abpe.org/users/gslin/statuses/113934229904184236/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://abpe.org/users/gslin/statuses/113934229904184236/shares",
"type": "Collection",
"totalItems": 0
}
}