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  1. Embed this notice
    silverpill (silverpill@mitra.social)'s status on Tuesday, 10-Jun-2025 20:14:15 JST silverpill silverpill

    @mikedev

    This is an activity I received:

    {"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/v1","https://www.w3.org/ns/did/v1","https://w3id.org/security/multikey/v1","https://w3id.org/security/data-integrity/v1","https://w3id.org/fep/c390",{"Category":"nomad:Category","Hashtag":"as:Hashtag","Sync":"nomad:Sync","canReply":"toot:canReply","canSearch":"nomad:canSearch","collectionOf":"nomad:collectionOf","contextHistory":{"@container":"@list","@id":"https://w3id.org/fep/171b/contextHistory","@type":"@id"},"copiedTo":"nomad:copiedTo","directMessage":"nomad:directMessage","discoverable":"toot:discoverable","expires":"nomad:expires","gateways":{"@container":"@list","@id":"https://w3id.org/fep/ef61/gateways","@type":"@id"},"indexable":"toot:indexable","joinMode":"https://w3id.org/fep/8a8e/joinMode","manuallyApprovesFollowers":"as:manuallyApprovesFollowers","movedTo":"as:movedTo","nomad":"https://macgirvin.com/apschema#","oauthRegistrationEndpoint":"nomad:oauthRegistrationEndpoint","openWebAuth":"nomad:openWebAuth","owaRedirect":"nomad:owaRedirect","permissions":"nomad:permissions","searchContent":"nomad:searchContent","searchTags":"nomad:searchTags","sensitive":"as:sensitive","timezone":"http://www.w3.org/2006/time#timezone","toot":"http://joinmastodon.org/ns#","webfinger":{"@id":"wf:webfinger","@type":"xsd:string"},"wf":"https://purl.archive.org/socialweb/webfinger#","xsd":"http://www.w3.org/2001/XMLSchema#"}],"actor":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor","cc":[],"context":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","contextHistory":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","directMessage":true,"id":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/activity/3f3e6efe-9bac-425d-9692-4df179937c5f","object":{"attributedTo":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor","canReply":["https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor/followers"],"cc":[],"content":"@!<span class=\"h-card\"><a class=\"u-url mention\" href=\"https://mitra.social/users/silverpill\" target=\"_blank\" rel=\"nofollow noopener\" >silverpill@mitra.social</a></span> Here's an activity that should be signed with RFC9421.","context":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","contextHistory":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","directMessage":true,"id":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/item/3f3e6efe-9bac-425d-9692-4df179937c5f","proof":{"created":"2025-06-09T21:22:04Z","cryptosuite":"eddsa-jcs-2022","proofPurpose":"assertionMethod","proofValue":"zcxM3mfRbyXsbNx3YZypxjMPhVxcBuyo6Lz6ZUz9hmHaEok7mfG9Db9oA8uz9LWzF7EZnHHKKBn5UuM81FNmXPDo","type":"DataIntegrityProof","verificationMethod":"did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk"},"published":"2025-06-09T21:22:04Z","replies":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/replies/3f3e6efe-9bac-425d-9692-4df179937c5f","source":{"content":"@![url=https://mitra.social/users/silverpill]silverpill[/url] Here's an activity that should be signed with RFC9421.","mediaType":"text/x-multicode"},"tag":[{"href":"https://mitra.social/users/silverpill","name":"@silverpill@mitra.social","type":"Mention"}],"to":["https://mitra.social/users/silverpill"],"type":"Note","url":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/item/3f3e6efe-9bac-425d-9692-4df179937c5f"},"proof":{"created":"2025-06-09T21:22:05Z","cryptosuite":"eddsa-jcs-2022","proofPurpose":"assertionMethod","proofValue":"z5tDnWHWDj2JyaA3CHAcDe3Qy3K77HtSMrAGsucSk6pbp3bsbuUU8cZR5NkQyfE273JgT9FwYaCrtTAXUN4oJocNQ","type":"DataIntegrityProof","verificationMethod":"did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk"},"published":"2025-06-09T21:22:04Z","tag":[{"href":"https://mitra.social/users/silverpill","name":"@silverpill@mitra.social","type":"Mention"}],"target":{"attributedTo":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor","id":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","type":"Collection"},"to":["https://mitra.social/users/silverpill"],"type":"Create","url":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/activity/3f3e6efe-9bac-425d-9692-4df179937c5f"}

    I can verify the activity, but not its object.

    Canonicalized object (with proof taken out):

    {"attributedTo":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor","canReply":["https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/actor/followers"],"cc":[],"content":"@!<span class=\"h-card\"><a class=\"u-url mention\" href=\"https://mitra.social/users/silverpill\" target=\"_blank\" rel=\"nofollow noopener\" >silverpill@mitra.social</a></span> Here's an activity that should be signed with RFC9421.","context":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","contextHistory":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/conversation/history/3f3e6efe-9bac-425d-9692-4df179937c5f","directMessage":true,"id":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/item/3f3e6efe-9bac-425d-9692-4df179937c5f","published":"2025-06-09T21:22:04Z","replies":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/replies/3f3e6efe-9bac-425d-9692-4df179937c5f","source":{"content":"@![url=https://mitra.social/users/silverpill]silverpill[/url] Here's an activity that should be signed with RFC9421.","mediaType":"text/x-multicode"},"tag":[{"href":"https://mitra.social/users/silverpill","name":"@silverpill@mitra.social","type":"Mention"}],"to":["https://mitra.social/users/silverpill"],"type":"Note","url":"https://macgirvin.com/.well-known/apgateway/did🔑z6MkhPXNfiHDh2qSNjFzZ9yY27C1iHnHVbb1eaxuoiEe4tjk/item/3f3e6efe-9bac-425d-9692-4df179937c5f"}

    Signature base (object and proof config hashes):

    3e51edddfe2378d071b6a79f091150b035045e80d053ce180893f000c5fba50197b90ed2cf47016298ae77a9a8572ba32c39e0570aa31c85033f54525af733bb
    In conversation about 4 days ago from mitra.social permalink
  2. Embed this notice
    Fish of Rage (sun@shitposter.world)'s status on Thursday, 19-Sep-2024 12:51:08 JST Fish of Rage Fish of Rage
    800 characters for "hello world", not including assertion method:

    ```
    {
    "@context": [
    "https://www.w3.org/ns/activitystreams",
    "https://w3id.org/security/data-integrity/v1"
    ],
    "id": "https://server.example/activities/1",
    "type": "Create",
    "actor": "https://server.example/users/alice",
    "object": {
    "id": "https://server.example/objects/1",
    "type": "Note",
    "attributedTo": "https://server.example/users/alice",
    "content": "Hello world"
    },
    "proof": {
    "@context": [
    "https://www.w3.org/ns/activitystreams",
    "https://w3id.org/security/data-integrity/v1"
    ],
    "type": "DataIntegrityProof",
    "cryptosuite": "eddsa-jcs-2022",
    "verificationMethod": "https://server.example/users/alice#ed25519-key",
    "proofPurpose": "assertionMethod",
    "proofValue": "...",
    "created": "2023-02-24T23:36:38Z"
    }
    }
    ```
    In conversation about 9 months ago from shitposter.world permalink
  3. Embed this notice
    silverpill (silverpill@mitra.social)'s status on Friday, 28-Jun-2024 16:07:40 JST silverpill silverpill
    in reply to

    @hongminhee Yes, it should be able to verify proofs with injected @context. But it is not injected. Here' the Announce activity, for example:

    { "@context": [ "https://www.w3.org/ns/activitystreams", "https://w3id.org/security/data-integrity/v1", { "Emoji": "toot:Emoji", "Hashtag": "as:Hashtag", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#" } ], "actor": "https://hollo.social/@fedify", "cc": [ "https://fosstodon.org/users/hongminhee", "https://hollo.social/@fedify/followers", "https://fosstodon.org/users/hongminhee" ], "id": "https://hollo.social/@fedify/01905d94-a20b-7722-94d1-576817dd3b00#activity", "object": "https://fosstodon.org/users/hongminhee/statuses/112692842178962546", "proof": { "created": "2024-06-28T06:58:47.16192715Z", "cryptosuite": "eddsa-jcs-2022", "proofPurpose": "assertionMethod", "proofValue": "z4xV1JV4JFuoPcLBNBTDbkceyPdd3YGWdFU4oawZDX5qSxiKeJgjFMf3uwf71QCfNUmJay66g9556K6NjUUUxZu1g", "type": "DataIntegrityProof", "verificationMethod": "https://hollo.social/@fedify#key-2" }, "published": "2024-06-28T06:42:20.3Z", "to": "as:Public", "type": "Announce" }
    In conversation about a year ago from mitra.social permalink
  4. Embed this notice
    silverpill (silverpill@mitra.social)'s status on Wednesday, 14-Jun-2023 21:00:07 JST silverpill silverpill
    in reply to

    @mariusor I can't provide the full request, but I could say that it had RSA HTTP signature attached.

    The inbox was https://federated.id/actors/8b740680-ccb4-4265-82e7-4ac2ca402750/inbox
    And the response was 201 Created with empty body.

    Here is my unsigned Follow activity:

    {"@context":["https://www.w3.org/ns/activitystreams","https://w3id.org/security/ v1","https://w3id.org/security/data-integrity/v1",{"MitraJcsRsaSignature2022":"mitra:MitraJcsRsaSignature2022","mitra":"http://jsonld.mitra.social#","proofPurpose":"sec:pr oofPurpose","proofValue":"sec:proofValue","sensitive":"as:sensitive","verificationMethod":"sec:verificationMethod"}],"actor":"https://mitra.social/users/silverpill","id":" https://mitra.social/objects/0188b5b0-829e-aadd-be8d-a5f484fceb34","object":"https://federated.id/actors/8b740680-ccb4-4265-82e7-4ac2ca402750","to":["https://federated.id/ actors/8b740680-ccb4-4265-82e7-4ac2ca402750"],"type":"Follow"}
    In conversation Wednesday, 14-Jun-2023 21:00:07 JST from mitra.social permalink
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