Evidence row 3391352

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9ELJro"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/931b48a0-270e-43af-b117-e7ea1d4ea01d/.well-known/agent-card.json"
    ]
  ],
  "name": "Niakino",
  "owner_address": "0xb5041d229fd274377cd2ac38d7dfde98e3b8e217",
  "raw": {
    "agent_id": "327370",
    "agent_uri": "https://centralcity.ai/a/9ELJro",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niakino 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/9ELJro",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niakino",
      "registrations": [
        {
          "agentId": 327370,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/931b48a0-270e-43af-b117-e7ea1d4ea01d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9ELJro",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793879728,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T11:56:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niakino 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/9ELJro"
}

What the leaf hashes

{"body":"0ecb748b451dd1969709c4eb10d5de9d19078a280c2d8f78493eab2229f5d7ad","id":3391352,"kind":"listing","method":"sync.erc8004/1","observed_us":1793879817752133,"prev":null,"subject":"erc8004:5042:327370","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xd0da47b3498bec4a4bcbfcabcf834f0b1a11d9edfda88efbf788db561f660316
2. 0x76b4a62d9d5a5f9fb10b7bbb6de786d1fbc26c7829977ae45cc70b7a4a886337
3. 0x5c500e59f18c9468c7f8ad1d5f5431ff483bf0c31092f8208ca781c8315ed531
4. 0x1930e416f76a75ed6568e1d67cb27434e584fbaacfbefb947916ee6bbfb7cc98
5. 0x41ba1fb9189cdb5c002c148342f6ba6d26f9b710e785afc2320377d01a83009d
6. 0x8baa578c28705e5295ff28264c4ba07528ab580fc55fb2a79f377cfcb466a20c
7. 0xfc109c987b0a54995bbe649d3acbca0f0546dd433015dbe1d9111add8c76ab3b
8. 0xad78f04299ccab12bd4de49459cb30b44652e45d6098bde27c07376a08ee419c
9. 0x49cc4c2a2f0f3721b83a80d64553621c8e32b73c633e0226a9816aed278d5d33
10. 0x7a33424c0db45aaa35882762107cedf3c7e0f7fdeb59945fad6525d7556fbca3
11. 0xc633e8edbb7148e660ed68df0a960b8370296d0b65673d2a9e61fdc72dfd318c
12. 0x91bd302b574f2f47f478bea92d8f3fc2bb0190760da421f01fb45e47c64c24b3
13. 0x804e6e948eca536019bd5e2f50c63d32f26a612dde34a5aacd8b470d66ec51b5
14. 0x4c7b7f3f42e860af0292451afd96bceb26eb41ca5c810766a3ab2c07c3919b93
15. 0x84cc0709bdcf43a76bb38852cd824bccc42d1167214eaa0cc6f5136bc9060566
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94