Evidence row 2492298

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4rowBN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/152d748c-ac23-4308-b11e-ae192af263f7/.well-known/agent-card.json"
    ]
  ],
  "name": "Brefer",
  "owner_address": "0xe5eb69fd4d6523c81b6d654a83a583e9652a0402",
  "raw": {
    "agent_id": "145727",
    "agent_uri": "https://centralcity.ai/a/4rowBN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brefer 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/4rowBN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brefer",
      "registrations": [
        {
          "agentId": 145727,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/152d748c-ac23-4308-b11e-ae192af263f7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4rowBN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793666618,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:48:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brefer 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/4rowBN"
}

What the leaf hashes

{"body":"09689c2d655bdf24719d3443252183c72118bbfe4b597833d2750399a927650d","id":2492298,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666917066255,"prev":2491859,"subject":"erc8004:5042:145727","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. 0xce908a67880458b8c50c57e4f866d0d53f2c4185613fe145d873bff6c1f1c7bf
2. 0x1f972b246fb9da4880026a206f7ea4d1575f6a93b9e3a109c8abc7e4faef86b5
3. 0x7b79a50f6df15fd3c268a1ed9facd3ba97d84d51b3959ce526409e194f04a0ad
4. 0x3ec9a480b1acb6ae5592435bcbb6b9255f69ac3d3be032c5ff48625b005b8235
5. 0xae9f43ca91ca143e5efc43b0a922e82ef922fdfe9e6d52e9e5425ba2ac360649
6. 0x0ed649d8c053d7bbe35ab1202ee3403d41da5455db43253b672133fc1d232c9e
7. 0xe1aa234b146d01cb5607ce0127d2e9c53724e6e65ce0bde9040e693e5c808cb6
8. 0x72232156538c18e74be76a359955ffc8f7288af639d325140102e2e748fe80c6
9. 0x7d5025e459ed370287e758b2bc8a137b162860c4dddd31ce06ceb04568c9b097
10. 0x7e3e1e649ecadc6cd237f41d49fbb81e2bff70a3310c5d571ff961f5ee4e8181
11. 0x85246f034a7ea025d34e6044810fbe59a5a7ff40b51bc756b4e4f50de27edcf5
12. 0x38b1d48a31ea06c1ae782cd96c2f2488902754df3334f68d6cea73d000a08520
13. 0x3cc986cde06d5c6049d73d3e8c2f67d8c287673474d2ceaad7738ed7a5bb185f
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7