at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3m25oatexi22l

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{
  "$type": "app.bsky.feed.post",
  "createdAt": "2025-10-01T18:29:46.392Z",
  "embed": {
    "$type": "app.bsky.embed.external",
    "external": {
      "description": "The ActivityPub Fuzzer is a small program to help developers build social media software on the Fediverse by emulating known Fediverse software.",
      "thumb": {
        "$type": "blob",
        "ref": {
          "$link": "bafkreig4mq4qaeurs4xucywbaiid4nh2zp3qjm3l57dsovidujn45wrr2a"
        },
        "mimeType": "image/jpeg",
        "size": 195065
      },
      "title": "Introducing the ASML ActivityPub Fuzzer: Improving Testing in the Fediverse - Applied Social Media Lab at Harvard University",
      "uri": "https://asml.cyber.harvard.edu/2025/10/01/introducing-the-asml-activitypub-fuzzer-improving-testing-in-the-fediverse/"
    }
  },
  "facets": [
    {
      "$type": "app.bsky.richtext.facet",
      "features": [
        {
          "$type": "app.bsky.richtext.facet#mention",
          "did": "did:plc:6dnoso75d2pmtl2fj4x75ljz"
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      "index": {
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  "langs": [
    "en"
  ],
  "text": "he hasn't cross-posted here yet, but @tinysubversions.bsky.social built a pretty cool piece of protocol ecosystem tooling for ActivityPub.\n\nAT lexicons are stricter/simpler for interop than JSON-LD (IMHO), but there are still corner-cases, and I could see things like this being helpful for atmo"
}