Zanii proof

Receipt sha256:f9d61daea9839d92c4fe4ed4eb33d212c0b029a6b7d52f74aea43633be4631e3: leaf #30164

Verification PROVEN

✔Receipt signature, delegation chain, and scope - signed by did:key:z6MktzLoN32UBYuZ…

✔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": "2026-09-28T12:00:08.328Z",
  "sig": "ed25519:b8de9ee6c7c9f5d4804ff04a7b738890f9c306b0b20d2cc9b07f56d4df31299842423d84242c5ee952c408ee23c5afcc6479db88d0dcf896f33e90172774f700",
  "prev": "sha256:5e2f47e05080a82d8aa1f4e615027350fc317d6c28484ad0f35a936f32211b01",
  "action": "tool_call",
  "target": "ads.mutate.campaigns",
  "agent_id": "did:key:z6MktzLoN32UBYuZmbAemiMUdpC3uB9JUPiRJ8NhCFKLrtR5",
  "delegation": [
    {
      "v": 1,
      "exp": "2027-07-06T16:53:31Z",
      "sig": "ed25519:d71bc29802a931ce6138dfc90f570a21dc941fd82d218d7fe72f04cbef3aba81ea7d9ee4bae38fad7ed7638e2f308e5f2db1983444af8e99849293f24fb6f70b",
      "issuer": "did:key:z6MksQZm73wT4p97GUjdKC4SJxgsm8dzizoLCBE8U2QRRZBb",
      "scopes": [
        "ads.*",
        "analytics.read"
      ],
      "subject": "did:key:z6MktzLoN32UBYuZmbAemiMUdpC3uB9JUPiRJ8NhCFKLrtR5"
    }
  ],
  "subject_tag": "sha256:51e5d015a51da3d46d7f5f5ea126970d229e7297aef867b87096085ffc33e42d",
  "payload_hash": "sha256:800ea85443c8a3f4f404072401fbbd1dd0df7576d127c11d9b05409c6b44f194"
}

Inclusion proof

{
  "index": 30164,
  "tree_size": 104847,
  "path": [
    "0e54679199f17cb291df1f5f0cb5c7b4b95c63b8b7e072978daed60ca3971fb7",
    "4b77d7d6d2baeed91ef2dc91ee072bf25b7927f081a3ac999850ae4737b815e6",
    "45e9fb52db21e0ea00bcd36e33b11abc1c4ad47d06a4bf8ed0a36262b8069c7c",
    "78b2665aff46fdf9ec0c88c432d8180938e4f0ee030a1b2e293ccf4800fb2bae",
    "868b03d13ee21b7fc59f645f50af2d6c47480883c683e2a1641924d9ca4f1cd9",
    "31653227d3c95f732b82e5645c466c05d6e236ed99dca2d6eddbe4e260d3b134",
    "d7797c5605f1edb321662876385fbcfe8ae7d6092b8efb0b5ebcaaa9d9762223",
    "abae5f770f0de546078e6aea3cf465307b9c6742d60142c74e58c103a2c85674",
    "c7ee169cebea359277b092548e87c162b0cf6da10ba6a3e77f1395712a5cf07e",
    "1b7cd7e0179a30e8aad9a7a2b5862edf0c844b3191738884183fb604391826b9",
    "9716ead15ec3ec19482577af75f0c223ad2cca28e7de9185de95275bdb3fff72",
    "37d550c41788edd373410280f7bb5baf3701e6b18c66d24e937745f74233e448",
    "7af8b9e1a96f22807f27ef6d44bcfb0e0b3c14b1ad122e183d499136951d5308",
    "81f7b7e0fa1ce8d22c40044505b66e3ae1d540d3ecb09ceea725171ddc018fac",
    "387fe46d3a9c7e345626d5961018c5dbe97f19c7ea00d9e2e0faa6ca09697fed",
    "5a4632f32becd822f53f3cc14a9488aa3faaed59d147c16b975350731a61aab6",
    "e371cf511f8b1a0af4d0515b039406c271530ce91530cc5c9a547382832ac12d"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 104847,
  "root": "sha256:223008d34d3d49eca802c76f947a0dac252e522cec3cea6029a1f22e031b8ab9",
  "ts": "2026-10-21T08:13:32.872Z",
  "sig": "ed25519:1d399319856cdd6f8fd80f1c0a74e43abb7f2f2bbcc3c2284e7d231c2992c82757f9c7361e751f718a6a9f97179cb212dc4782c89040730250594a5b56ba4306"
}

Verify independently

curl {this host}/v1/proof/sha256:f9d61daea9839d92c4fe4ed4eb33d212c0b029a6b7d52f74aea43633be4631e3

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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