Evidence row 2122139

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/moq5AL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7de0c9f9-b7c4-4c38-ba91-3a0a15b1a927/.well-known/agent-card.json"
    ]
  ],
  "name": "Niodonino",
  "owner_address": "0x6fd49f5fa60c5d410d3e94ec617a4cdfd9101e3b",
  "raw": {
    "agent_id": "89273",
    "agent_uri": "https://centralcity.ai/a/moq5AL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niodonino 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/moq5AL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niodonino",
      "registrations": [
        {
          "agentId": 89273,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7de0c9f9-b7c4-4c38-ba91-3a0a15b1a927/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/moq5AL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619471,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:38:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niodonino 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/moq5AL"
}

What the leaf hashes

{"body":"ef94ce2e706b5f1badcc4d642a4de1f63dd153275b708be4512d7c75142f491c","id":2122139,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619534013138,"prev":2121509,"subject":"erc8004:5042:89273","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x91f9866db1530766215aa99134ad05aad2c674dfea10634fab1b7fef2ae3d8ed
2. 0xf54cb84471e9e94b0a03cc98e6064986599a243cb5ca9db1e4efec4b83a8afd3
3. 0x2d011e5cb1b624826e61d8f52af14d2e82c080a3f73886c3f9fffa58982fa0f4
4. 0xf6b139edcedb3351dab8a085e0404e5738ed2db01b9fb5617eb76b4074938f6d
5. 0xec320e13351abcd3bcc82147b9ed72695b8b76b40da2b5df1f8beb30681d807c
6. 0x3baf822b047491ab5a3a4ee0995cae668c81012d2b7a69df33c8513536dbd286
7. 0x32bfd12b75fbe5f250ad86256ce40dff6ebdb63c142cb27cc2fc3c547673253d
8. 0xea3e567fc214648f28a0303dd1820787a46afb204b29801ec3cbd67e8c1a1c7d
9. 0x9a9298b98b5312316ce4c7c614a6607ca281409779270300371dd38d9c8fddea
10. 0x8cc48713645f155a0a0c508a9e54c2f25ce8d546f3f24fc662664a9cd13cafaa
11. 0x84cdaa6e50db6f63b9e9f2a73d5ae2cb49ddcff4f09202fc9b1cdac86763e72f
12. 0xd756a44b3038ff0c0524eec8e134fb5ffbe1464a42757b4f12e15355e5ab2c3f
13. 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af