Evidence row 2507857

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FqB4mO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8310c493-ff70-479a-ac1d-fb646396a20a/.well-known/agent-card.json"
    ]
  ],
  "name": "Brebert",
  "owner_address": "0x087d3788123a57bba4db64b5548c2719dce3bcd4",
  "raw": {
    "agent_id": "151794",
    "agent_uri": "https://centralcity.ai/a/FqB4mO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brebert 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/FqB4mO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brebert",
      "registrations": [
        {
          "agentId": 151794,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8310c493-ff70-479a-ac1d-fb646396a20a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FqB4mO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793673351,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:37:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brebert 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/FqB4mO"
}

What the leaf hashes

{"body":"9dcfd5c2f954beb3b46334ae6d784bad9e5a706da60a14c70532fcbd097064ec","id":2507857,"kind":"listing","method":"sync.erc8004/1","observed_us":1793673436157003,"prev":null,"subject":"erc8004:5042:151794","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. 0xc56a17ad3fd51092f18c31825874669b569b7878792d37568f20a34a62ac3a66
2. 0x987f7af1f51d86d64c64ba47854ee5980d7d8f3861eecb54d2d056b338e2d420
3. 0xe351dc9dbff0562ac39b3649b21e4121d036622bcaab0cef7b499c24565d16cd
4. 0xe3337ca91804c039bf57fdd1c2f6d80d085c1a983437a2ab0adbdf36f46b9a1c
5. 0x382106778193502cb5715a6666da8746f9bd514fd023dafa880445f8750d4d14
6. 0xa01d8277c3421e756b63737a27736cea60eb12ef65ab0b8f2e1a225e0b3a7569
7. 0xb6f76bc198b1a15aadd1dbde7d603d3c4dc2e80a4a5b539c657ce11b96b5d24e
8. 0xee452bf7a7b08cb99fb92d46502a6a5da175e5add6dbe05cab9abc3cf01bed62
9. 0x66671ef5cf74da00e2ebbd8ee9ac6de6decec70cbdf5e41cd9c3792855c0ee00
10. 0x542e3668c1549d9a8de999162a765a8d095b38037d7364287ce5870862eacaf1
11. 0xb9479538c0cf9567cbeefd29a4239e2a9b423f88542d2090e7f65ae17fe08d95
12. 0x2776d6de184337d929278006b07b17c87f04f4b0c2a6ef891d856846b26b3417
13. 0x757c81f4c079ccef5ee9694c28de1354dd783331e9778583284b2bcba45c4662
14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7