Evidence row 2616790

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KN8xIT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bde0e399-e3fa-4761-ad5f-ec526985d5ca/.well-known/agent-card.json"
    ]
  ],
  "name": "Brissan",
  "owner_address": "0x28221b13fb45dd1d8ed46394d0ad6037c05e9765",
  "raw": {
    "agent_id": "195897",
    "agent_uri": "https://centralcity.ai/a/KN8xIT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brissan 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/KN8xIT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brissan",
      "registrations": [
        {
          "agentId": 195897,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bde0e399-e3fa-4761-ad5f-ec526985d5ca/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KN8xIT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793726151,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:18:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brissan 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/KN8xIT"
}

What the leaf hashes

{"body":"4269bbfb6e387f2cf46af9fe34f12aeff66ed6a3e516ee5b633adf239ba94d30","id":2616790,"kind":"listing","method":"sync.erc8004/1","observed_us":1793726309348810,"prev":2616544,"subject":"erc8004:5042:195897","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. 0xb5c8c31a73655b56208cdc898ae254e05250975e429e363c1b98c017f37a21cd
2. 0x788aa6208c72c7fce99250c558b4ca238e2d636e9f7e71d98fe4ffd807d425b2
3. 0xeb4d1b7d7ce2b19d05ccc546fcb32df294a584190c2e3c85fbd473a46e2612cf
4. 0x9ffbf515a219d54bada705072f91872016143b527c32abd72cbd3ef3dbf22e08
5. 0xa6348ea5c1670a4c54dc88c3ba9bc9c22a663d7faca5558acbe171fb011617a0
6. 0xc9c9f0aabd0fbe2192cde2a42dc3ddbbbdbde6ff7f59ddbeb1e182c6191713d7
7. 0xa9bd090c2dab1f5ff7566ff7fe2319c6a2fc11ebad9b6e951436e020c47bc36d
8. 0x9198ed230edc4a3d45a0bb5c46c524c7c324814233bc7cb4c81fa95cfcf2184a
9. 0x40e478311522dced644f03af00b4d496e9dbd5959f33fba393e51d65a1c53536
10. 0x28fce0369dff0943e29d186a37fe8664b4571d83abf97ba59792cdd7b52cfdcd
11. 0xa59787392fde5bafed06ee7828fafb8d0a8443b6f13f5da5f4099aa3599191c5
12. 0x9a35904e1bb8077b8807427d95dec8c0d4862d485ff7683340c19f2f649e541f
13. 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7