Evidence row 3398629

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nVZUYt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/159b210a-f0a1-47a4-9d48-5d22350a21ed/.well-known/agent-card.json"
    ]
  ],
  "name": "Hansisto",
  "owner_address": "0x818fdec3ead1e787e03c423a56027930c8e15851",
  "raw": {
    "agent_id": "331800",
    "agent_uri": "https://centralcity.ai/a/nVZUYt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hansisto 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/nVZUYt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hansisto",
      "registrations": [
        {
          "agentId": 331800,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/159b210a-f0a1-47a4-9d48-5d22350a21ed/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nVZUYt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793881672,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:28:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hansisto 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/nVZUYt"
}

What the leaf hashes

{"body":"1096b8d5189c2d0dc3bcb72c7e5be008fa9a4f3a2a2d4b3b012b0813829a6d74","id":3398629,"kind":"listing","method":"sync.erc8004/1","observed_us":1793881729049691,"prev":null,"subject":"erc8004:5042:331800","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xe591e6ecd0ca670b6874f03174a179070988bcb236f28d11e5a1bbe5ed9b3707
2. 0x0868a92a87fdce1bbf89fa16e335841bc1ff69a5f530be9fd8b8817f1bf1d9c8
3. 0x177d3ee96c62791ebd39698bb78000c4317fd84434fe8d378f5bc47e182f5b76
4. 0x03a08a7b50bc3b6153a994e250123a1310011e49944eb8bfb4268019975676d6
5. 0xbe7f723eb6ead1df4a6603b725a14859e5b91eb50ed5ead2febbd3543aa7a230
6. 0xc5e45ea255a72e64fe541c0c8b034099558b2bcad871c0274ab6f037116f7eb8
7. 0x32a72246983729f7dd0dac65bf8f93e8534fb4b103fc67c8eab888a082ea9821
8. 0xe7dd9ac3934c920b818bd17882a538aee158e547f2e310e383b218cad340ea00
9. 0xe9513362f47e49b19a8b7a2975363afd4b0e8b3541126651776174b6b20636a4
10. 0xaef7d4af599b835f0b772e34ed6000cff60cdf82f1a941d965b5155682e6bc15
11. 0x4718f821d56e8df32bf017f291897e743fa5b118bce7fac039c953a19fc488a2
12. 0xbf9f707e86df9ba911f5a768b78d2fcc1a6cf8d04baf876b56e5f01ac9d3980d
13. 0xcc057bccb3ff7dfdd207a295697da838a4297a36bd5341cedcac4a9e7bf8f7b8
14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94