Evidence row 2120953

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xZl8vf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8d93bbe4-6e88-43c3-9bfa-8e1aa9fb474f/.well-known/agent-card.json"
    ]
  ],
  "name": "Sisteon",
  "owner_address": "0xd9ecd54f4679d840dd17a260aaedf8038e6be0a4",
  "raw": {
    "agent_id": "88690",
    "agent_uri": "https://centralcity.ai/a/xZl8vf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sisteon 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/xZl8vf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sisteon",
      "registrations": [
        {
          "agentId": 88690,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8d93bbe4-6e88-43c3-9bfa-8e1aa9fb474f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xZl8vf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793618931,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:32:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sisteon 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/xZl8vf"
}

What the leaf hashes

{"body":"926e2ce1ab4dd3421b80fffb1e93561f2e42486351d08222377cfec04f42a5d2","id":2120953,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619167296125,"prev":2120286,"subject":"erc8004:5042:88690","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. 0x38324027cae45ff133a26ab9a1fb005b89b925b237266972c27f883b07fb4493
2. 0x0c13f5a409daec062672661313607af362684b8f3aed0fe690810191e0508b47
3. 0xe2ee9b918234e5187e552e1e88c16a14f386b77d143f62c2717572ce7c6ce001
4. 0x7f7050983a849f832f146568cd4ace90112e047525aec6b7a37af8b1e100a104
5. 0xf7e268cfeb1af4648b113666d840a9ffb8b7eee8e6342c6f5320ab984eddd282
6. 0xf65ba08b852f99dc1bd11bf970c7101c83e37fafe19c9b82cdfa23e5343ff947
7. 0xdfb7b32933bef2d92e201caa19d63d7dd86b6846da52c23e2cc39e433d0440cd
8. 0xe1b984b556bee4a894932c979ce5be56927711da3c09bd192550b3b9e6b11329
9. 0xbe9472c2928cf5108f0fff1e6d3f61d6d17c43fb54ee1078f92a3f0b096fb69e
10. 0x5c2dbb0246e38b76a8a71b69c620c01b062203e298367be469f56610cb2a77ca
11. 0x9d12d652d78e0fd7c35f4926078c2643d24efffaabb4413e240035a200894add
12. 0x4447e402cea61275117ac4e9975eae04626bad327ccc4f13f5d1b453b487c0d6
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af