Evidence row 3688771

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/a8OH53"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be9eb067-3a83-403c-be3f-6dff285c6172/.well-known/agent-card.json"
    ]
  ],
  "name": "Mezino",
  "owner_address": "0xcc74583bf01684a94200ef0c89a2ae1bc626a3d1",
  "raw": {
    "agent_id": "376586",
    "agent_uri": "https://centralcity.ai/a/a8OH53",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mezino 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/a8OH53",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mezino",
      "registrations": [
        {
          "agentId": 376586,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be9eb067-3a83-403c-be3f-6dff285c6172/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/a8OH53",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793944370,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T05:53:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mezino 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/a8OH53"
}

What the leaf hashes

{"body":"3197398904377193b4dcd04150259c8a818157465bf7f91d1ab986480b87d966","id":3688771,"kind":"listing","method":"sync.erc8004/1","observed_us":1793944396953557,"prev":null,"subject":"erc8004:5042:376586","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xa90780583057065505f17679f5c132fd94cdd21c4ccbfba27075ace8b4bb4462
2. 0x3a30661fe038d8cfb025981b348ccf28c37aaadc8a06d5e11cbce2582919c784
3. 0x9847840a6bd1d65de6ff406ae64bf8f377241656e3fa370135a705696f5144da
4. 0xdce65a38be4b47c71a3e69f03eb4ffebe2deb41b10b6264bd885ab73caf77478
5. 0x58bb5c73ba3c4ce09c8d866c93ee4812162ce36742fdf8399db3f0f6bdc7a4bc
6. 0x4026a10bfd86c2c1549fa134b655843cc5d2a00c748c0538b9ccdb1c3f4f3e66
7. 0x887d83a81c2f565007c3aeb08191aacc98480ad4b8c27cf45382f66329de31cb
8. 0x4e76af915a2b4dafa516c5527f44caf909b092cf4331ac7d6f145f4a11c8a94c
9. 0xad63035000145372e7651b02570c9da11a96503024fec7ad4f72c0040e49c4e3
10. 0xb26600ee7d6b538f98b9ae849942ee45664a0ff11c5e7f165825c9805344f1c8
11. 0xc12e71feeaf7c42d3fdb56c9dd4a0eb63d20c8a506992b4d2f20edec963fa037
12. 0x1a35e28a11322b72c1ad93bd8037b69df8f4ed5f7e6bec410fbc6f23251522c3
13. 0xb02c1cb653a7746407d955b2e76a432691b775223105f0f2bf6cdd963c56a912
14. 0xb8cdc3434f126e876ea2c3ff38768a8afbd1988aaba81d57ab2a78f3dfcd545b
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1