Zanii proof

Receipt sha256:030b3499d37e6e3fcf9f929d5a8ba6e9b08f4f29f832fac99e0e490c565ab805: leaf #101033

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": "2026-10-16T02:00:13.243Z",
  "sig": "ed25519:22cb3f7d33361d2c441300f9290edaa9378bddf740b7097877823b10b720485076e427a5fe537df4370a4c02853c8b2aa12c92764160666d24c6f1f222978102",
  "prev": "sha256:c9363329d68cf3d64bbc6a776b4429a2e80e3f17ec73181ea4feccb03f569736",
  "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": "sha256:52e8626e1168d3293ac87458070c83c185da1611ed1f17abadb9a0e9720d69fa"
}

Inclusion proof

{
  "index": 101033,
  "tree_size": 104847,
  "path": [
    "ea6171a84e865ddc3b157a4e4e524711805a3fbd978880eb7b5e73b5724fc46a",
    "d3eb2112e637c980c0c72a8f3d23debff47abf0cb48e20b6668703d3f9802bc0",
    "7ea2ff73522b8c19e070d2b64e4e8c30fb48e5fa946452af0b8a6576a469e6c7",
    "5f7ffad8ba1b3540f37ca64b9ad345624f721d9ad88127c76e6b45ad38ce3acb",
    "1a4e0b05fb9ec877142c99eda2932f8b604d95d2a32f5fab89d742e4bc232f5f",
    "03088d91c866bb169a7b99e3c6eaa0a83dc6adfc1c2761a2d247a9359f8a01aa",
    "8ece0511125aef0262c88eb7841e0ab62eb0744b7a5eaffc4e8ca4e54ca83407",
    "965b21977a40591cd2a993ccfca69a121e3f75ac7480de5e615ad087a1b6fc09",
    "a2bcddbbeba7db4124c0170e88aaef93f5f3431c921ca1ec9d79fb3ed5e64efe",
    "75ccfa47b0abf9834f959d29a48af8a0dfe549f5e768910ca343281aed82b35a",
    "b9e45175a02ecb442a8c4273c4c6f7e1b26d1391d8da99eeb36ac60f6ac345df",
    "dcfe049cd5154d2fd229510db1b0a6fa2bca524c30732102e50ceaca4dbb7640",
    "2793c173110f078989693b760dee437ef3bb723b1f6ff45f8944b954b64006ae",
    "fd678340cc628cce1732760f331367d13983acb3b9527785093492f3b252bdbc",
    "8020aa09974c3f22cea8196343549f776a6cd9f507527ac5081d3ed88bfe0069"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 104847,
  "root": "sha256:223008d34d3d49eca802c76f947a0dac252e522cec3cea6029a1f22e031b8ab9",
  "ts": "2026-10-21T08:10:33.809Z",
  "sig": "ed25519:5aa28407ef445e86ac69a33d50425f34042bbebd59f001648cfb0bc936464e76db5789578e00d1a82917532f3b678614001fb505dba6effed1cdfa54f8a4110a"
}

Verify independently

curl {this host}/v1/proof/sha256:030b3499d37e6e3fcf9f929d5a8ba6e9b08f4f29f832fac99e0e490c565ab805

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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