Evidence row 3136720

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KH45DJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9f54d192-0255-47a4-abcd-c48532da66a6/.well-known/agent-card.json"
    ]
  ],
  "name": "Nikel",
  "owner_address": "0xe00321a767ca326f044ff0402c75550a48f4d269",
  "raw": {
    "agent_id": "299325",
    "agent_uri": "https://centralcity.ai/a/KH45DJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nikel 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/KH45DJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nikel",
      "registrations": [
        {
          "agentId": 299325,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9f54d192-0255-47a4-abcd-c48532da66a6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KH45DJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793828932,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T21:49:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nikel 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/KH45DJ"
}

What the leaf hashes

{"body":"ffcc97a3c4d768de3bdd79d90acfa952ed9b3e01911e8d618e8c6fc3a4cd01ba","id":3136720,"kind":"listing","method":"sync.erc8004/1","observed_us":1793828984218259,"prev":null,"subject":"erc8004:5042:299325","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x1a55a5ee5c411181519a633e3e91bb37e23d52d01ae17e0cd9d5e0d23588e151
2. 0x96dec7f5a15a914cdf11580fd882faac86811ef342d1cdb72212a82c6a03edf6
3. 0x4a9ead607c68954d8bcbb029db920a5e41883920688eeb42df68514740beaa6c
4. 0x74521a595d53b4ca3c28a1022459f8241bf79878c296d67169d0a58496f4937c
5. 0xadc3e170f1a5e31a8c522e37876d7d388793402ae41cc9ba46f7fac23d0e0e71
6. 0x6ee437710542218d03348bcb77657b8b498059014dad62ef0b0ef0ed7acae79a
7. 0x962be58e1c0585503ce426bea94a6fb12ed185354d667053be4986991bcecb25
8. 0x3401e19836f7d42cfedbd054cc253a3c8971afcd4490cd01b1c9b74ea53ade50
9. 0xce37252cec54fb5f0f9722113f8fd3bf42f272b1fd8eb9af4a899dbb48f4ec35
10. 0x1d776cb6bdf1c2109d917713ed21ac57aac35e0925797077635e70fe521d7ab9
11. 0x0ad539d63086b6dc74b35e08be32b10f962d9b36a4dfc6bc2083e264b3e947b4
12. 0xb02a170e06d4396239be258d9ac127c533426b7c40d8bbc0d43ac92701c97e17
13. 0x292878d1fea45cf7e6caa03d861e734b6d7c392cf431b9e7acd4b26968422520
14. 0xf0f02c8f6d66ea83b0e30d64247c845d4dcb4d5cd98d515dac1a45c51f7daae4
15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345