Yes. In the activity-JSON there is a field called "publicKeyPem".
...
And, yes, you don't hold it yourself. It is a delegated-key.
...
Part of what could address this is supporting keys that users hold themselves (in addition to the delegated-key).
@reiver ⊼ (Charles) :batman: /
npub16d…du6mu
2024-08-07 14:05:31
in reply to nevent1q…6t6m
Author Public Key
npub16d5jwt3a5fe4hrfegvjwnstn2zyxjf3djn7kgskknn63j8z25x0qzdu6muPublished at
2024-08-07 14:05:31Event JSON
{
"id": "d1dbad0a217e06b28c4ba7bac72f7bfb2219bce3409cd77680ba48c9a7758764",
"pubkey": "d369272e3da2735b8d394324e9c173508869262d94fd6442d69cf5191c4aa19e",
"created_at": 1723039531,
"kind": 1,
"tags": [
[
"p",
"8240035a9f30abf3fd91387f32e922b6a1240df57fb21d9b267c1c87c65434da"
],
[
"p",
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],
[
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],
[
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"",
"root",
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[
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"reply",
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],
[
"proxy",
"https://mastodon.social/@reiver/112921118739042212",
"web"
],
[
"proxy",
"https://mastodon.social/users/reiver/statuses/112921118739042212",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
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"pink.momostr.activitypub:https://mastodon.social/users/reiver/statuses/112921118739042212",
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],
[
"-"
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],
"content": "Yes. In the activity-JSON there is a field called \"publicKeyPem\".\n\n...\n\nAnd, yes, you don't hold it yourself. It is a delegated-key.\n\n...\n\nPart of what could address this is supporting keys that users hold themselves (in addition to the delegated-key).",
"sig": "b17d22047ecdbf2ea9414f7ba1fe8bbe86eb84accc589280bbc6e53be98e30134640bd53af56e5bbdf41a3f8030424c06b66532ebdddbe4c05ba854a2d5e6bb5"
}