The Mostr bridge now has a new way to tag ActivityPub content on Nostr. This has been standardized in NIP-48! 🎉 https://github.com/nostr-protocol/nips/pull/693
Previously Mostr events used the ambiguous and proprietary "mostr" tag to indicate people and posts from ActivityPub, eg:
["mostr", "https://gleasonator.com/objects/9f524868-c1a0-4ee7-ad51-aaa23d68b526";]
Now those "mostr" tags are gone, and the same ting would instead be expressed like this:
["proxy", "https://gleasonator.com/objects/9f524868-c1a0-4ee7-ad51-aaa23d68b526";, "activitypub"]
Proxy tags can be used to locate the original content on the web. Not just for ActivityPub, but also for RSS, Matrix, Bluesky, and whatever else we decide to bridge.
Clients can use this to indicate messages from other protocols, and may choose to include a link to the source content. It could even be used to deduplicate content between bridges and merge threads.
Alex Gleason /
npub108…uyev6
2023-08-07 19:18:12
Author Public Key
npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6Published at
2023-08-07 19:18:12Event JSON
{
"id": "80546209eefbab4929bd058ec8abadad081ef53f9d0d8cce9b33fd6654932d90",
"pubkey": "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6",
"created_at": 1691435892,
"kind": 1,
"tags": [
[
"proxy",
"https://gleasonator.com/objects/2e35f2c5-5198-40c1-b6c0-0e6013ecf07f",
"activitypub"
]
],
"content": "The Mostr bridge now has a new way to tag ActivityPub content on Nostr. This has been standardized in NIP-48! 🎉 https://github.com/nostr-protocol/nips/pull/693\n\nPreviously Mostr events used the ambiguous and proprietary \"mostr\" tag to indicate people and posts from ActivityPub, eg:\n\n[\"mostr\", \"https://gleasonator.com/objects/9f524868-c1a0-4ee7-ad51-aaa23d68b526\"]\n\nNow those \"mostr\" tags are gone, and the same ting would instead be expressed like this:\n\n[\"proxy\", \"https://gleasonator.com/objects/9f524868-c1a0-4ee7-ad51-aaa23d68b526\", \"activitypub\"]\n\nProxy tags can be used to locate the original content on the web. Not just for ActivityPub, but also for RSS, Matrix, Bluesky, and whatever else we decide to bridge.\n\nClients can use this to indicate messages from other protocols, and may choose to include a link to the source content. It could even be used to deduplicate content between bridges and merge threads.",
"sig": "624714d970e0734a44d0203e586f2866286170978b66862eaf8db915d5281615e5a3719e28f90300aefa58ade71c77233d725e9a762aaef99e6f1f0683b4b331"
}