Evidence row 2506167

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vJzfjz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b7b6a4cf-9562-4245-9319-00b436f81d2b/.well-known/agent-card.json"
    ]
  ],
  "name": "Bruker",
  "owner_address": "0x54792985a8f5344247aeddf775b5a91434d9aaca",
  "raw": {
    "agent_id": "151254",
    "agent_uri": "https://centralcity.ai/a/vJzfjz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bruker 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/vJzfjz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bruker",
      "registrations": [
        {
          "agentId": 151254,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b7b6a4cf-9562-4245-9319-00b436f81d2b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vJzfjz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793672652,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:26:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bruker 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/vJzfjz"
}

What the leaf hashes

{"body":"4b842155746c52ae359a459f43943c97f3793f6713b9a77e31106c9b7d0396cd","id":2506167,"kind":"listing","method":"sync.erc8004/1","observed_us":1793672770420988,"prev":null,"subject":"erc8004:5042:151254","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. 0xaf25431b4418a0aeb6a7aeebeb3e3fd07815ea9bb784f9c67428fbee8aadf5d6
2. 0x220b128295bb3302bdf468c9816e194c98468c2255eb34f6a2b8b8792bc9ec53
3. 0x15a3af781e26f2ef930ffc1071c73fdb9f1f9eaefcb8ac147cb2af451a8128a3
4. 0xe862d1b1b320df95b4a13171cea6bea83dea76549dbad4d8352182eb668611ba
5. 0xd5b4593de4fd3b2d4336d611b97712a8aa1769cc2544255661fbca990e7f3bf2
6. 0xb701116e8e06d9c19db2945c900c14fedcb47f7d08b81b9ba6ce123f7e23e67b
7. 0xa5604f3b1a1f7e55f62ea2a89befe28479bfbde294414b9cae7a1f6981922299
8. 0x2fad577bd130584debf98342677a0543b3e2e5a496dbe36c33adbf37a62d5829
9. 0xb6eea1a589eaa868c2dc117ad2da39cea9ecbd9cbbc693b9f9e81110bc6b2ac5
10. 0x671e3dc593c6385cc8956d46d30a2c0794667bbfda05f186d816b2d3bbf8577d
11. 0x144347167b2284f85e885743d9d6e9b760b5dba5d7646ac6b040a37d32a0e9b9
12. 0xe76f791089ba448cf5c37346afb8fe5ee2f3f91391fde676597825bbe36679a0
13. 0xe77cb660ad4fc9cdf06388820598606d0cfed52a41772cd9d2f56246f2635e96
14. 0x11934b37b54663f98169a4c48cc2b0a60fa4a3c4018d1ce3e508ac01ae614249
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7