Zanii proof

Receipt sha256:44146c54c7ddfaf486c0a40538fe94c72b8e5b81c7c066c8a8264f05e7394943: leaf #16988

Verification PROVEN

✔Receipt signature, delegation chain, and scope - signed by did:key:z6Mkkk4Ya4Prag5L…

✔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 104844 - evm:6e1b0ec9a4b1b6fa29fb6ce24461faee342f8b18e2c1796e0baa078802f183a2 (block 52889351)

Receipt

{
  "v": 1,
  "ts": "2026-09-21T12:27:01.039Z",
  "sig": "ed25519:8fc8b1655ca3df79a0233d787280b16e93d554372cefac38dc2e93c4f9e3b6c46e5a5f8e367d0e9bef20d264539f0f0059f40a9f3c9d4af5c037e44bca3c850d",
  "prev": null,
  "action": "tool_call",
  "target": "tool.campaign_stats",
  "agent_id": "did:key:z6Mkkk4Ya4Prag5Lby2MuHXskNMqV1UYpBjRYnSp3sovFYzK",
  "delegation": [
    {
      "v": 1,
      "exp": "2030-01-01T00:00:00Z",
      "sig": "ed25519:a12e9deb783e22a4807229af82b46d1b02d8e74113e537eda7bf199cb63304a76117427bdb7500865bf17c2126c0782227495407d82492d60a3b8bc494be2a0c",
      "issuer": "did:key:z6MksQZm73wT4p97GUjdKC4SJxgsm8dzizoLCBE8U2QRRZBb",
      "scopes": [
        "tool.campaign_stats",
        "run.*"
      ],
      "subject": "did:key:z6Mkkk4Ya4Prag5Lby2MuHXskNMqV1UYpBjRYnSp3sovFYzK"
    }
  ],
  "payload_hash": "sha256:85ec4d8a82704be7f99bb236cea262097a8025d225f3ed709989a94675311189",
  "manifest_hash": "sha256:faa709a01ec4c837d96b7aae73d2909ee593e1a04d58da3da3d4bf2f79a439e1"
}

Inclusion proof

{
  "index": 16988,
  "tree_size": 104845,
  "path": [
    "218c26e96841b2a0cea188ee03a393ff6320f95969da2fe730b961ec796aed9a",
    "ef9acdbcfc41cf5caa537e78df56dc073b6dfdb918cfe987888b990c519737d4",
    "f51fcd5c422cbcdcb364771fc2e97db575bfe21d4fcbf973c676020f747e9588",
    "f182b80a178b9fe41a4233fec21ec4fe4198d786226ae295a9e393ef8ed63c6a",
    "500fc6720e703c0fc1a01e048c49c887444b92b0f9fb206866215bc0a308b5fd",
    "05dae18ae4ea97e5ef7f3d6e8cbd33a17d33e3ec51a9bedd83b6f5387ab7397b",
    "3a7c421c6a425625b43e4423f79e7f0a63c0a5794f6c463a2ed682ed9815d704",
    "283eb299f4e8bd8de76881e46a6f34aeebde341b055782e483a2566186788d5b",
    "2b2e2c2ae29c0f4b9b062e300440ffca655c1ac33ad59164635a34c4f856fd6d",
    "242923a824b12a96874382f2b4e408e33146c6eef7fa7b7c43cb6082dac23839",
    "ed838a3311dd169471de8dee9b651f235c5404874671b80904c856b581896b38",
    "273780bbfb705a92f912ca21c52a54dc29eab7a6bbd8721106b53d9d88d70838",
    "f20eb714c84daf4466cbc0ca224d8eb3dfa27f35bf9ee4f4394fcf32edaca171",
    "ef696e1150e8ccfa38bfb885032500f8ef2b780c99f0d9c84ee431d7bdcd42b5",
    "387fe46d3a9c7e345626d5961018c5dbe97f19c7ea00d9e2e0faa6ca09697fed",
    "5a4632f32becd822f53f3cc14a9488aa3faaed59d147c16b975350731a61aab6",
    "b37bb3dc292552df8eb37d966c8c1164e0d17412282c05694eb6cc4c3dbffcb4"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 104845,
  "root": "sha256:e25416d870684c26bfdf8f51a38a1657ac6b5e7548fb3e6e97867e167027b6d6",
  "ts": "2026-10-21T07:49:30.980Z",
  "sig": "ed25519:a21828156821da638ee836691238d1575c813eb36987ed90cec2125b10271e9856734a7ba4d09dc37565bf354715c032a5c6bc588c89566d083ffcb35b75a500"
}

Verify independently

curl {this host}/v1/proof/sha256:44146c54c7ddfaf486c0a40538fe94c72b8e5b81c7c066c8a8264f05e7394943

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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