Evidence row 3033421

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mZ4xvy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0e9a7bc8-5870-4931-8a10-b12b0581648a/.well-known/agent-card.json"
    ]
  ],
  "name": "Brosteon",
  "owner_address": "0x37ea48d255c822b01d933de5a35d6ec1de91e693",
  "raw": {
    "agent_id": "264766",
    "agent_uri": "https://centralcity.ai/a/mZ4xvy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brosteon 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/mZ4xvy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brosteon",
      "registrations": [
        {
          "agentId": 264766,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0e9a7bc8-5870-4931-8a10-b12b0581648a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mZ4xvy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793810454,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T16:45:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brosteon 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/mZ4xvy"
}

What the leaf hashes

{"body":"2f6742c69a0ba7ed73b1977998b9d5959d3bd5bd14d07a23841cbaad7e87c644","id":3033421,"kind":"listing","method":"sync.erc8004/1","observed_us":1793810728978143,"prev":null,"subject":"erc8004:5042:264766","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. 0x7fe780b90a5ac33e69de163153341b4e58a2b3917d32aadecb81a6fd07930f69
2. 0x753bbdb437abde7fdef1eee6874092d1b8f73e53f499784f28ca223560ad27a0
3. 0x24805818bd4dab60b86c8006a5f9ea8cfba5033ee0b71ea601d5c4c496e4874e
4. 0x91a42da7a14934be3a0fbaacd5bff0b58fac7d7de8be02117a36e0d7c4521b0c
5. 0xf1889cbc7b9088ced72cd0a39731c060e74960fb2c323275c8b42ecfae485b35
6. 0x97dbf234fbe3db6dc382a192cee1da29527c2236ecfe987e69487b6ab8669fad
7. 0x796a6bddab3392a087839e7f4606b86c53008616b2ed45892d92f6cd4629a92e
8. 0xa753237b140fe320e907ea086799274078dce8946ef1c9a29306c152a15418d8
9. 0xc3d68a91d3101b3586972b9099a9397802dada157f4629e1c2ade58bc6ce97b6
10. 0xc3de8a899fc49b578ea50e8fc31c6996cbc23a2104c9574cbffbe5219e2638ba
11. 0x51aaadcfc6f7226aada81d417ee5a8a3ee8010cff2b5efbeaf6314a5d2e7416b
12. 0x6930cab19f1474022af4621415decec8a86dc384456df0359b67b65b7e57717b
13. 0x44c041327c57a45563a3e4415225269b79de5202c7b0120913ea2cfa3c7aa4bf
14. 0x6f7bea4b64c516dc4731bf8cc6ee3afed260a9be9432b829cdeeb4795d769e16
15. 0xea9faa12314fce7083bb3fcd444e483bf4b2595fe0fce49bb508693c72ee2193
16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345