Evidence row 3125782

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YFD0GT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d40c8f9c-2899-44f8-9d85-069aa0a75212/.well-known/agent-card.json"
    ]
  ],
  "name": "Niban",
  "owner_address": "0x275c89f56379fcb4184dd7f57bc97a0ac30d699f",
  "raw": {
    "agent_id": "290626",
    "agent_uri": "https://centralcity.ai/a/YFD0GT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niban 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/YFD0GT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niban",
      "registrations": [
        {
          "agentId": 290626,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d40c8f9c-2899-44f8-9d85-069aa0a75212/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YFD0GT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793824890,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T20:45:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niban 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/YFD0GT"
}

What the leaf hashes

{"body":"0e76aba732c6213498af8ff4ff14be8f3dbf24dbe282245d7fe2b74f301ddbfb","id":3125782,"kind":"listing","method":"sync.erc8004/1","observed_us":1793825155320774,"prev":null,"subject":"erc8004:5042:290626","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xa2afc2cefa9f47d3034209c9f8c6d595028b36a169ec53ebda5b4467e8d890e5
2. 0x5fe1b2f7e4342ed1d54eaf53bc439f02f66c477f67e1b7024d5ef69fbe44c084
3. 0x32792f1d25e70eb25f9f750e1c70276d51cdfd744805ee45e9c36294a953eb89
4. 0x435d4578f00723a8f748d4176224ae91e01aa0d1f3864a240280f969663593fa
5. 0x6cd9aa8cb6ee980f723220478101d5ccf56c740cc059790fd9d12d1de86a6b51
6. 0x9e7685a6e8f88adad8f16a25868971c2585677223cc8c6ef204febb14541422a
7. 0x3f88decab7f42358982bc6e31334887c6f23d29c8e10b8113b090a35566a1260
8. 0x791f4a8048cb8d94203cd029d794ee4f517ff97c74ac716050acfea17f61a51e
9. 0x6a1249c6370b4bdef477dc91ac755091062078d16ee2d71113389e42d5233d97
10. 0x479e729ab8aebff9b9ccd63572da0d2787e209b02067f5318d2ab601edf77286
11. 0x6666a7b3c12819cc79c413f49d530452b148f7ece98331091dfb81a9e4a60ab7
12. 0x97bd590e50b8c38c471ee26f4101b734bdc2f5a4effe5d6dd23f038fe0aec61e
13. 0x4e3cf6adf9462457ebf291a4697658af6c0458a9430539ea82790d3b50c15cf0
14. 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345