Evidence row 2191522

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fCuDTx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0f889407-6e42-486d-9f5c-de490e55d5ec/.well-known/agent-card.json"
    ]
  ],
  "name": "Siamo",
  "owner_address": "0xdc64303b837fc5e471a546f992aaf300d15250a2",
  "raw": {
    "agent_id": "121302",
    "agent_uri": "https://centralcity.ai/a/fCuDTx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Siamo 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/fCuDTx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Siamo",
      "registrations": [
        {
          "agentId": 121302,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0f889407-6e42-486d-9f5c-de490e55d5ec/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fCuDTx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644071,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:30:53Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Siamo 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/fCuDTx"
}

What the leaf hashes

{"body":"5cc65c7af688c5c9b1837ce36fa0f0ed4734f756ca875e2964ee51c0172b7552","id":2191522,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644253249319,"prev":2190964,"subject":"erc8004:5042:121302","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. 0x421c8779505972579039b2dae69dd9478dd43b155a56336db124c1721470f25b
2. 0x86b622ae1618f9b959dae0198a9de3b02130cb091e582c83b9b2cbdc506ccf46
3. 0x21436edea7b69990d90e41c4a23aeed34b80deddf6f3981ca956fb51c607c45f
4. 0xf61e8ce5b9440f9d1b080eeec4a3ac9d5268f862ee3c5b2486c136857cf37606
5. 0xd130f08b7dbaaea10c6f755e411b354b9ebbecfae88240db6608de780d64454e
6. 0xcc3659173ad16207d889c7f1670409ea2d250ca5848f88ad066a1cf3d2452c83
7. 0xada2080b16718ed73f55648dbca8f8e240b1ed58260ad06cf904eaa2d4693116
8. 0xafbb7d9179269f46501881d6dc676ce08e3656ff660b4dae1f68154dbacf6f9f
9. 0x86b4e4237e784cd2d3e38e672ac203052bd930061811bd0abb4495e597e32f7e
10. 0x54fbd2f64625f870b3d92f45a28056f3fe399a438ba4af2bc7553769b322eb85
11. 0xc1e5ef0f892a6b99dbf474674b9a6be5c1534b7d6383e945033bf95696d38a2b
12. 0x17858bbc60dae810bfa46a71ddb0d4bc3816060ff678ab2804cd513c70546454
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