Zanii proof

Receipt sha256:ab79a922602a6f6e46010264bcef4d20c2e6be3071864d381e0a0ab2176d5405: leaf #17622

Verification PROVEN

✔Receipt signature, delegation chain, and scope - signed by did:key:z6MkksYZxAX4EpiA…

✔Delegation not revoked

✔Merkle inclusion proof against current tree root

✔Signed tree head signature - log did:key:z6Mkt3UL3dCEigCh…

Anchoring

✔Covered by anchor at tree size 104846 - evm:782450cadd6bd9bd0a1c694df8683b9880ca52746f58afb872a3c6cb6478c5bf (block 52890292)

Receipt

{
  "v": 1,
  "ts": "2026-09-22T02:00:12.265Z",
  "sig": "ed25519:ab9beff5cfacbb99381d631b51b0a21d040b1e5f5afee1bd0da55a59304a144320dde30c262a8dc10da7108b0192f1095d2149a99c313ddfee91c4ddc2309408",
  "prev": "sha256:cb0953ff0cf8f8a2de2bccd6f151c6b431191b4202bd23eae70b11cb353cfed6",
  "action": "tool_call",
  "target": "ads.investigate.evidence",
  "agent_id": "did:key:z6MkksYZxAX4EpiAetcDB3uN9w1FY7LjriS966ZPCTMtCzXt",
  "delegation": [
    {
      "v": 1,
      "exp": "2027-07-06T21:17:24Z",
      "sig": "ed25519:d7ddef78324cfcbfe417611c4f135cbbcc2858ea076ddf7d8a0c41c6edc0c9aab906fc175bd92614c54d9ba76891a94941a7b9d7fa560be9c1588755c962bc08",
      "issuer": "did:key:z6MksQZm73wT4p97GUjdKC4SJxgsm8dzizoLCBE8U2QRRZBb",
      "scopes": [
        "ads.investigate.*"
      ],
      "subject": "did:key:z6MkksYZxAX4EpiAetcDB3uN9w1FY7LjriS966ZPCTMtCzXt"
    }
  ],
  "subject_tag": "sha256:51e5d015a51da3d46d7f5f5ea126970d229e7297aef867b87096085ffc33e42d",
  "payload_hash": "sha256:439068a35ad4a6a454d4e97e4bd99cc09cc2a65be5c96b74d3848609a7b71a9f"
}

Inclusion proof

{
  "index": 17622,
  "tree_size": 104846,
  "path": [
    "f2f2ca2bda0e63240e0e50b2153019acd55af826c788db87dc15ae90521f29ca",
    "2486dc8373ab7122be062b5ce569fe929d136aabb101d44f551ff1d2c9434533",
    "bd6048cee793b3495db27a10fb84264ad6a6cd47180d2c806327ec18af4e120a",
    "53d2319d8040505572d9966da3a8cef648ec8519fdc961820d90d5f1cb08d33c",
    "9904db4680840a5c08c02f9180d2eaa4010d72be9904d621df96696453e2b50e",
    "57713f3e180ecf17ebac7e51dd1b8ac7992543ed5a791a331903d775dafd2bf2",
    "62ca200a3f9cc54c1932312eba6ecb8063defa32c73e8e0a5164e81d68d63825",
    "cccea5a7c7806874ab4d9ae38d538446c752384aad89b75f12da2e050f23a055",
    "e5ea54609e32c56036d9160098c999c5a0d3c5c96593ad940913ef55dbd01d0a",
    "da447e6d67b59c38ba8221620909b00fc4ff73a843cf1a8e163b18890bbd3659",
    "312db3bdb9cb7da40c11ed548f2c83c4a763a4d5bca6f4c02a040f934969424b",
    "273780bbfb705a92f912ca21c52a54dc29eab7a6bbd8721106b53d9d88d70838",
    "f20eb714c84daf4466cbc0ca224d8eb3dfa27f35bf9ee4f4394fcf32edaca171",
    "ef696e1150e8ccfa38bfb885032500f8ef2b780c99f0d9c84ee431d7bdcd42b5",
    "387fe46d3a9c7e345626d5961018c5dbe97f19c7ea00d9e2e0faa6ca09697fed",
    "5a4632f32becd822f53f3cc14a9488aa3faaed59d147c16b975350731a61aab6",
    "4d8e084f3042037b24924c619fae9f3035564d6c1d36620f7703a0a39f86b1fb"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 104846,
  "root": "sha256:4a014ad5c84edf51957081a51f4212730e25e71056a0cf5d536dd0ab69cabf7e",
  "ts": "2026-10-21T08:09:24.557Z",
  "sig": "ed25519:2df30aeaf1afd8af4bfc90b5b6b101877a7faf93c68d03cb05a7d43e7c4f18a19fb94dfa5e492b0fd3f4d2d66c7411c2f6e69f1be18a0fa832ddd77b6c10b306"
}

Verify independently

curl {this host}/v1/proof/sha256:ab79a922602a6f6e46010264bcef4d20c2e6be3071864d381e0a0ab2176d5405

Anyone can re-verify with the zanii SDK (Python or TypeScript): receipt signature → delegation chain → scope → Merkle inclusion → STH signature. No trust in this server required.

Scan to verify on your phone

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