Zanii proof

Receipt sha256:5e2f47e05080a82d8aa1f4e615027350fc317d6c28484ad0f35a936f32211b01 — leaf #3057

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 4353 — zanii:34fcb38c67663e785816996c5a2fec034dbdf3dcf0be246a0670d36330b59eb1 (block 21693)

Receipt

{
  "v": 1,
  "ts": "2026-07-25T07:00:04.211Z",
  "sig": "ed25519:f59f1dfe8718b1cea8ec9b971948dd0339e5fc428d82d9d4ba871ecf8f8b2ffd5c042010fa77fb9a19b6c01e961f154a2bed3a30da45540f2ae8822feaa54809",
  "prev": null,
  "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": "sha256:3eae114943e04ef11ca5d869d444060ddc599cc46704ff841330e3657a225c4b"
}

Inclusion proof

{
  "index": 3057,
  "tree_size": 4353,
  "path": [
    "19c6ffebad3b78eff19192e835726bd7e3e5096984a6544ab28dae4ab532034f",
    "4dead32f9233e0392afd4235f6f516b961410e9ea2b453bb6ecf2800464c301c",
    "7624d15d279d9baac0213e07402babb6272d16441da89582d83886c627136da0",
    "23a194171051b71987cdba963258554f7eb6085dbe87a4dd05153fd0113de3d6",
    "0a2826ea40bee241b957faa2cbbc0528ab892537da3ff7720eb2fd39f5f9dd9f",
    "0fa3a1f0053c8a9399def8bd7c00834b95c750c897bc3f932334f47c9e92e0b0",
    "f026a0819f92fbcb90aab32cb5d48af3748844317483b93a3991889b5374b7c9",
    "b2454e75da47474e755c64903b2239df7f677d0eeb129f844ca327361213c3f8",
    "d26606a5cd5128683eb1cba691e52228dc8461fcf141243782318fbab8920277",
    "833764d7d9b32270807f7f823aa8e3722f141ce875c23703ea7176f3d3ea37e3",
    "bf23fa82247485b4d2cc4cf7d0535ee3eb95dfd06018ba6414cb1e65338f0cb5",
    "295a341750636d326ec9d7f64ee379e3f6404d31975ce03b50a54dfda5554124",
    "b67f1677f6184749eeffc96daff599c564c9901f77389277eab57fa89e924ef4"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 4353,
  "root": "sha256:9b710a4755e52983ef28d15ee7b32ff5cb0e058cf326c9999c89bf56cecb783c",
  "ts": "2026-08-17T12:26:37.554Z",
  "sig": "ed25519:0d6ef3650efa0163fa132713a74537aad61a54e3f43cc4464b0a02be027f8b1c9a91b342a14e6d5b7a4b421e692984fada3adf56475997c13fbc58258af3e80d"
}

Verify independently

curl {this host}/v1/proof/sha256:5e2f47e05080a82d8aa1f4e615027350fc317d6c28484ad0f35a936f32211b01

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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