Evidence row 2301138

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0G2v3j"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/697a4200-44dd-4e9f-9828-26d377aa5c11/.well-known/agent-card.json"
    ]
  ],
  "name": "Sompon",
  "owner_address": "0x8efca0a842ccd8bceaf2de2cd6143595c6a47a57",
  "raw": {
    "agent_id": "141678",
    "agent_uri": "https://centralcity.ai/a/0G2v3j",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sompon 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/0G2v3j",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sompon",
      "registrations": [
        {
          "agentId": 141678,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/697a4200-44dd-4e9f-9828-26d377aa5c11/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0G2v3j",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793662017,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:28:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sompon 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/0G2v3j"
}

What the leaf hashes

{"body":"e163f271c312f43b15f5114a2adb4aae991d619477bc32da8741bae446441138","id":2301138,"kind":"listing","method":"sync.erc8004/1","observed_us":1793662089622330,"prev":null,"subject":"erc8004:5042:141678","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. 0x43e110629911a46f2badbc3e9b3b002d4857d926dec9b2c4d7119fa3d5043d8b
2. 0xacb2f3aa8df5ab46643e4703455c70c857b39add964abc476088900e99dd3722
3. 0x56507827dfe7d92205cd1addfcce8fa66e634a31b6e1f136c51ee8cc00c53dc5
4. 0xb501be685d84cb353511d13fdc2836883d9541a25386e352a415bff62d1783c1
5. 0xdc34abbd176eede6467ee6833e2029c7eca661e626d86b7c5b8138a1d35024c5
6. 0x8f1e271101b4f5ff810d18451abf310ce6933a7635cf4f967e3dad3a0ceda651
7. 0x70240488ccad48e1e7ac0fd89649ef5a4487313e3c82842da098411c95adb6fc
8. 0xfb551bdea6da54db3b7b194cb49a68ae150d0a28c74ffb390c2c8b10be813784
9. 0xd3c5b1b65c935e60106fc507ed7b48a27577169095ed3a58b355ed6d445575aa
10. 0xb4ebca4edd2b1af8e104bd949a8d9fc862f07f960fd5488877571fe5a05145bd
11. 0x32d8aa50bdb63c965d4627f30c8584b5b109ccd5950b3ed3d307ea75d46ed970
12. 0xe92478cc3eab4cc4c9e8fd5dbc3001cb0971587042ed8624c5712d5ceb777263
13. 0xd4651434698f4d5f8d2255b9d81f1cf47a7c3da7e2321b09b05fc8ddc31165a2
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af