Evidence row 2724439

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/adCVoZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3ba15057-4ba0-4c5e-b6df-a0c4cd568dcc/.well-known/agent-card.json"
    ]
  ],
  "name": "Berkeon",
  "owner_address": "0x634e683a00d35f169c56f6f4b7be3cdeed8d14a2",
  "raw": {
    "agent_id": "209711",
    "agent_uri": "https://centralcity.ai/a/adCVoZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Berkeon 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/adCVoZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Berkeon",
      "registrations": [
        {
          "agentId": 209711,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3ba15057-4ba0-4c5e-b6df-a0c4cd568dcc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/adCVoZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793746764,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:02:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Berkeon 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/adCVoZ"
}

What the leaf hashes

{"body":"8c13c8ae3d06996f31ea1107015c8c7ab0ab6ba16f95757119d7938706ee01fb","id":2724439,"kind":"listing","method":"sync.erc8004/1","observed_us":1793746954001318,"prev":2723609,"subject":"erc8004:5042:209711","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. 0x678354e8afc0e7236ffc21be11b6bf0eb53d2095523df9b83c54faf247e2aed1
2. 0x66f009a7bbaaa858d1c70c7d2c804c7d1c11cd428484321570e8fe5a0ed17ce7
3. 0xabf412833cbacc4d3fe68499c2c8a098b3dd0926be0812fbc7946ea2271f1fec
4. 0xfffa3afd90370400cc44dd0b296622925fc9400699cd387bf32bb754db111610
5. 0x0e8d9581667424f4b520414a120a0b3e6cad9ceca5dd1eccd36d4827bcb4f543
6. 0x45edf39a4f2cc5aa06380a691b03ad5c43caa405cf8e7998bb03ab221bdf790e
7. 0x72715bf1eb8aa28d77203be8e89181426d81df9ebed7c3001c9a7eac3d8ac0cd
8. 0x09e0b8346140bc557d360088e1b09bc58233521c953ad325206f721ed4a38c7c
9. 0x0028c757896ea1f6b19ffc4f16da4b48985e5e7924c75e7f45211bb36dc1cb42
10. 0x0ab506fe2905ca0072756bfb85def1701c468f10c72b67a48a5dab17304ed4ca
11. 0xeb0f0776ce3f396c7a2596f87f75ec78263359c65c88a33ccbaf52e06e96bb05
12. 0x1afcffac07889ff89c585e14a13281f7d2d378e1248a75f06d54029a2885d90c
13. 0x52c189e90e4b72108116f47d43eb5a8d0a5079c20090bfabc8c2e23ac7ec8019
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7