Evidence row 2492209

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NZZEmu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3a69a048-7a70-4555-8a42-b0b817b441eb/.well-known/agent-card.json"
    ]
  ],
  "name": "Vivisto",
  "owner_address": "0x3bb0bf312d484e20d2de913475a9f35a88b1faff",
  "raw": {
    "agent_id": "145616",
    "agent_uri": "https://centralcity.ai/a/NZZEmu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vivisto 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/NZZEmu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vivisto",
      "registrations": [
        {
          "agentId": 145616,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3a69a048-7a70-4555-8a42-b0b817b441eb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NZZEmu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793666710,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:48:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vivisto 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/NZZEmu"
}

What the leaf hashes

{"body":"d6dc197d33a695269120ac37dd838807cbe73b9caebfad525d31bd6eda9543e7","id":2492209,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666916834222,"prev":2491748,"subject":"erc8004:5042:145616","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. 0x9f365dd75b0e040ed1707b50247c96ae56b38d90ac4b0dbda6ff69551ed497b8
2. 0x972a61db94d8e7d7de49698934dc2c305dc5c761c2470a0b8d0cb5ab2fd1883a
3. 0xddd97d21461035acc6c8e1d82741a6f10c495f8988e160e67c6661ec58240cd7
4. 0x84390e297850ac12b47c996c57b074418739baa799448d788288bc78e42714bb
5. 0xde68ae29d31f55324559b74453102da58f8f3705ab615886afb950f553811aa1
6. 0xca7374540631898d60bcfb2d340998acaafad4e58e6ff39681ef8db4009b2cab
7. 0xa98e1eb702b350554b0f10182f7f8c28fbc7fddeecfddab27ab360a5eff436ce
8. 0x9d2e43b062754d458539e1e48a91f00431870940c98b7a9e6f36703f07e0684e
9. 0x351474b9360da5e182ca42810e422c6df48b9f3244c87c4f63ab80cb4a4f526e
10. 0x766c0604f33cbdd15748a244c8c6d30db80fc8c8a3dc4851888fca547c677b7d
11. 0x76ec71e4cca4ae44cfa646d3f5a9114dab307ac268f5c04855d0807fb24c62b4
12. 0xe4cec4dfef92b38f34fc3e682f8bd892c0d4f2cdef1fef3f73805539ca9c0649
13. 0x8070cbe0685f508360b5b1120601afa35a96b721c6cad8ddc83334fbabead425
14. 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7