Evidence row 2498981

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d50jl9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a4031158-3d9b-453a-a5a6-667c50abe719/.well-known/agent-card.json"
    ]
  ],
  "name": "Nontino",
  "owner_address": "0x6c6e5d2393da203b0506827c30a271d2ef3ddba5",
  "raw": {
    "agent_id": "148473",
    "agent_uri": "https://centralcity.ai/a/d50jl9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nontino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/d50jl9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nontino",
      "registrations": [
        {
          "agentId": 148473,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a4031158-3d9b-453a-a5a6-667c50abe719/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d50jl9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793669588,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T01:34:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nontino is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/d50jl9"
}

What the leaf hashes

{"body":"86780e3e9cf859a03dee97912be869c08031eab71f602c6f8f6ac32f50e98ee4","id":2498981,"kind":"listing","method":"sync.erc8004/1","observed_us":1793669659819617,"prev":null,"subject":"erc8004:5042:148473","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xf854d18de5215ffbaa21819751071ce4cc97192b0ba15098936f44c499265e0e
2. 0xf71eba7338107d845f998a5a3bcb301f1134464a105a01b122781c169d6b3f7f
3. 0x36ea4309f8b7dcce7f05a93243d0c3469420881cf744306a84f43e6f0138dc2a
4. 0xf4accb1ef9226ba6b11358e1498afd8a5f257b87178d04b650281a8340fa2d09
5. 0x4f4248d9db45ccbf0babf42dc6f3adbbdc8e1c3af3684fb28c94f6d672f962e9
6. 0x28482272be6c5bb7a98cf879431a69d98865c076a16653fe86c4bcc45baa0efe
7. 0x76f90a0758cb86f57553af460c295685095facedd0442b03a5dc6aa615c56528
8. 0x304cf2ec8fc1874f211d113e6e792ec4ed654a60209d9af924e7a35811a77529
9. 0x7aa8f71c7af90999fc54705e0fcec07ba9e2271c2084669c10dc4b7b6dd8887c
10. 0xc59d4ee27a794d9b0d47f6f5f1d0f82acdde368aeea53ff0004d5e3d20b078c6
11. 0x46303b05c937e5df7e462be5384035de99b7b7006fca1f08825e26cefff77647
12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7