Evidence row 2049119

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GfE7Ni"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bb3e00f8-18e0-4ea0-ba54-816994e292dd/.well-known/agent-card.json"
    ]
  ],
  "name": "Lanseon",
  "owner_address": "0x66eafb4d02cee9167cbffcfeb6baadf8cb57c70b",
  "raw": {
    "agent_id": "57306",
    "agent_uri": "https://centralcity.ai/a/GfE7Ni",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lanseon 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/GfE7Ni",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lanseon",
      "registrations": [
        {
          "agentId": 57306,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bb3e00f8-18e0-4ea0-ba54-816994e292dd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GfE7Ni",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793590921,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:47:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lanseon 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/GfE7Ni"
}

What the leaf hashes

{"body":"a3b80c5b9f5b8d07d7afd92a0ecc9e8912a074c464a5a3591a31c27bf30a5036","id":2049119,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591242668525,"prev":null,"subject":"erc8004:5042:57306","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xfeb269d32c71972ea4958ee7b7ba664a860d365bf0e4b81b51d3d6a2e560f911
2. 0x7112cff0510ccd415d1c79e27695687f6b27d65aa8eeed63ae71b73acadc8f01
3. 0x79abd0b47aaae8ddd3a0a2ea89b9dfe685a1b9f9fdc1292694258360626c6695
4. 0x09ed83d77219c18367ecbea97da67d77c5755bc175450f57c74c3c4dc7b8c419
5. 0xf7ee96e57bc2ab3ce3ac50e514c0aae0a3e50b4f6c05bfb0d12943b06a3b5895
6. 0x7f637e847772bf60d242e6ce13c726bc3d440a028cade9d0a8c16140a04793b0
7. 0x5ea9f4bdca8587eafa796cafd09b0fca0dde76e1526c73cb29b569d184016bbc
8. 0x106b586519230cb9188691ab978b76c2a2393fe0dfce0c230d6c5ef2dbe022c0
9. 0xf10a8c69da0c39943f8a0d3a89919274cdfe993bd83cbbb495a99e281e7b0574
10. 0x0cc1bfe069d87603c60148d083b557d0a732525d219bf40c3a28bceccf54637d
11. 0xc63b418076930e6cf31674e9bb2aff65f2cbb33dd9be3957737f5ffee6c7510a
12. 0x558609da34276e08016027f0ba334013ad7a47d8258758a41e477a91a04eb076
13. 0x2612b2a6ca482d4e1e568f2a6d1980f6401f76dd9a2480fd196bb762b9e1c71c
14. 0x59ed3c823c7507ae1b2993d19eda543383739dde961b25c4e0927023fff6be12
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af