Evidence row 3136553

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/z7avBk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4cec858c-c6dd-41ca-bf1a-77bcdaafeb36/.well-known/agent-card.json"
    ]
  ],
  "name": "Niakik",
  "owner_address": "0x08edcaa9e0fb84552acd92c403b55b5c010833a7",
  "raw": {
    "agent_id": "299158",
    "agent_uri": "https://centralcity.ai/a/z7avBk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niakik 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/z7avBk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niakik",
      "registrations": [
        {
          "agentId": 299158,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4cec858c-c6dd-41ca-bf1a-77bcdaafeb36/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/z7avBk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793828921,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T21:49:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niakik 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/z7avBk"
}

What the leaf hashes

{"body":"faf67e7474d7da2edf463b5cce7e1b3503299cf04a87fbbd3e8bebb812d3b219","id":3136553,"kind":"listing","method":"sync.erc8004/1","observed_us":1793828983377052,"prev":null,"subject":"erc8004:5042:299158","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. 0xf0a161911338678f52bcac6925218eca3a7ea4d93cd03af50b20b4abc6934947
2. 0xc269145d86d368645a5d570190c1cc80788e41d55e33c1d95832e5b5a5fe3f68
3. 0x4b4f463004ab3ca9518884429ef8e48b0f29a1b6fde2918f9987c424989bd935
4. 0xddd214a6eff322bee41b2fe9544b9c457910afa61c100723fdca61a81e3a066c
5. 0x798e3063bd1c1a093c433636347d6bd730ad90f8943c6524400821b4c85982c2
6. 0x3cd5782e22852b33f2391a9abc553aab2eacc26319a0b5f7dabaaa74e4c7a1ad
7. 0x43eba7e54e9c2178764967c95e3ea3c32cf13aa4a34dbe65f9d900fec6cebcb2
8. 0xa59a0119724d3edcdfff3867667bdb49fc2fd6dbc6390da19dee2ef5a4ab7a33
9. 0x73e41a34047f4dd8f7812fa171f8334ddd8fea9859b59375a139f1003fc6f29d
10. 0xc8772d6b85c6338130acabd79435c4aba97e25c624bdc4f36cdbd85e975eceb0
11. 0x9c35cc02a1bee7ea1032dc5dee0a91cc239730a0c6115491dee1ba4352622a93
12. 0xd096fcce4779e4a8b31a69bccd873275a2d7b80f38e7f59b740d0d5b11db7ccf
13. 0xe548c1eb35525797a537b43c3fc3e8e92a754730c1a1278d482ddb992877f15d
14. 0xbf7e123029ce4365b819863a1c92b78b356111fa8f0bd187055546ccf59fa8ff
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345