Evidence row 2553721

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1rXMHc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/66785253-d99b-49eb-89b6-847fb4ec9c6e/.well-known/agent-card.json"
    ]
  ],
  "name": "Notert",
  "owner_address": "0x4d776e20a05bc5874405bc316a82ed1274da3bda",
  "raw": {
    "agent_id": "169910",
    "agent_uri": "https://centralcity.ai/a/1rXMHc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Notert 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/1rXMHc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Notert",
      "registrations": [
        {
          "agentId": 169910,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/66785253-d99b-49eb-89b6-847fb4ec9c6e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1rXMHc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793694170,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:23:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Notert 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/1rXMHc"
}

What the leaf hashes

{"body":"191b144ed62d02e082807da9cae116bca28f2c113254f4e9b2eeadc005c64c80","id":2553721,"kind":"listing","method":"sync.erc8004/1","observed_us":1793694209786885,"prev":null,"subject":"erc8004:5042:169910","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. 0x28e6043b436a06af7641755fe9b457b16187561ef4b638a93c4faf581339cda6
2. 0xd0b39f75abadbd4d29471256f09b351b4abed480c2bd21b3ab605ff64cb1f589
3. 0xcdd992dc73d93631c5d6b0f97a58b7ac99e30ecff3dbf3f488e133ca2d585f59
4. 0x253d7c92ed9b9c47f274c70edff02987be115eed3f629b7cbd3f022bbd647747
5. 0xf2a78714873043501e2055fbea29c359bb91da285a97ad78df150522722b85cf
6. 0xc8e3f40e94d9d1cfd44f97e25c41979e01b223c5e6521639ea44235fb60261e3
7. 0xb9845ee2aff7f47a768f210af3433b793e35c5cb6be776c144638fd86946c8f0
8. 0xc51b1c5772201ba55fdd90aeb9802e46c3755240a1cfbbdbff26ac89335b49ec
9. 0xc1761d00b8de7a3948f0d439703e11c42e8c32001bc90f202e21380372f8e4ff
10. 0xb2dba004768a4b452675eed5028cf3f47ab79d68bc3fe5b92feed21412b57f87
11. 0x7eed0300544bb0559b01daf7d6c14e809161d8cbbbad9cb9898eb64500a0046c
12. 0x52a66c82a20c7127ce078a360e023921cbca29ea89a64f63a10fb6c39ab11a0d
13. 0xb3e9e2c239d3f86889736f5f9dd6b63f9f0ffb6cb921a6e5d19759d9d3670816
14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7