Evidence row 3156876

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vUAHFG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cd698b5a-4cea-4754-93c5-4d3fa578fb9f/.well-known/agent-card.json"
    ]
  ],
  "name": "Laubino",
  "owner_address": "0x7b830a8bd5a2aefcbccd85f89408ba76cac19a16",
  "raw": {
    "agent_id": "311801",
    "agent_uri": "https://centralcity.ai/a/vUAHFG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Laubino 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/vUAHFG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Laubino",
      "registrations": [
        {
          "agentId": 311801,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cd698b5a-4cea-4754-93c5-4d3fa578fb9f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vUAHFG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793837552,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T00:16:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Laubino 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/vUAHFG"
}

What the leaf hashes

{"body":"ca83f63f57f4b7e671be6bb5d299d0ede439e6fe039de19bc4f85c20d0b4e8ef","id":3156876,"kind":"listing","method":"sync.erc8004/1","observed_us":1793837804490060,"prev":null,"subject":"erc8004:5042:311801","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xe9772d6f8033d28fad73eeb70115610c17f4cecdcd9ec916520b5b8d0856ab93
2. 0x3e30c523ef15651d70d3c26bc8221875315232b77f56e411cf0370ec46d24f02
3. 0x5fbef53b7cbb7cb1b355a509d989bc817f64e6b352b238868f0dd81cbad8cc11
4. 0x46c522ebe130c14cab3d726c5972d56ac322a4bbf16df7e3b3ff923de81186c2
5. 0x5106967ac677da1794247d0bda1f14f0ab1aba2797e3ee7247b27c27c7bae7a9
6. 0xcf934987ea3d141121f8913a99079c84d76324d36970730a0f7ba7b35a0d884c
7. 0xdb5b1651d5106ea4ccd181a5f1921f02b7bb634370cf004226359fa257796747
8. 0x6877804a125673f17761360e4bb143ac168b880a32fb0fb9e103fcce902af641
9. 0x7f420eae3a6eca1fcb0f49a82f18ca14164d1e9d0c9388c7876af1089c9803a0
10. 0x7ecac5c0a931c2996d4f0b1bd2934969096e4f156e827b57442402752c251406
11. 0xf019f7f886bdd14ee1ad7847a6e4fa16569d799fdc6c476b1fe83985fa775556
12. 0x0d71082bcd7635f145ced61d25269e0dd1764cc417ac22439b289c957bd63b71
13. 0x3462d641429cec10c8b5b5ba021c51334ad8d483cede88120521fea301eb9622
14. 0x541b1a8c30ddf11073cc1260fda10cc5489dc4a22cfd9742e0f2f43db5f207c2
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94