Evidence row 3058955

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IgXL7p"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1d32bff1-430d-41bd-beb1-08f95de201fc/.well-known/agent-card.json"
    ]
  ],
  "name": "Laurkano",
  "owner_address": "0x5d0f19788631eb69249e97d677dc5ef1b74279e2",
  "raw": {
    "agent_id": "282039",
    "agent_uri": "https://centralcity.ai/a/IgXL7p",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Laurkano 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/IgXL7p",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Laurkano",
      "registrations": [
        {
          "agentId": 282039,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1d32bff1-430d-41bd-beb1-08f95de201fc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IgXL7p",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793820414,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T19:32:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Laurkano 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/IgXL7p"
}

What the leaf hashes

{"body":"9639fc8f4b96d8d216147c180f42d988b08115adfa82ce8b084a37ff803f7019","id":3058955,"kind":"listing","method":"sync.erc8004/1","observed_us":1793820743880136,"prev":null,"subject":"erc8004:5042:282039","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. 0xf8873801a231e72d2f12fca4920aec16887f1b61540238d300764168acd4d949
2. 0x9cf38c8f6acf69ac72309fe81faaa5251918fb794b4af5a44b7e7343d24ff7bf
3. 0xa67568f36bacb29be8b7e1a43a036f9974e5104cd187ecfdf208b5cf5de2865d
4. 0xa291c6120ca4021930432c75b2eb38236b25c669fac1c384ff54eb23f8bd24c3
5. 0xc1e784d42ed531e59ff4af3e4dc8c8963cff06d79b72ab71bfab1044220b4ac2
6. 0xa042769624d7d656b1ba4761eb87b97fa2c6ee3d62d8984dec5c1f5316c09f59
7. 0x613f201eedc03a1754a99b452bf453e65b1a91d7b5013588b901d917bd6d577f
8. 0x6da07ee435a4eb8c6e1906045bf7d8af20202418e406f792edb742035664fb1b
9. 0x98257e2d109175d5e82d7d4214b1bc4784df8e528070456a61986f29cfc88e2e
10. 0x87c5311428ff3cde1a670364ad6480176ffe6fb50e2da17b82e827dd853db0fd
11. 0x92a0192d8ffa90a1f24ffa98126bb0b42d91c300e67591613a01394636627d81
12. 0x8b3adb8ae71e069f968cca26c226af45bfa3828d8eedf61ec7841bbf32e8e2e1
13. 0x80fdd731dc04e905fc342b8fc0dcfdca1909a0ec3d167105c559039cbb6e89a0
14. 0x362d041fb35470d2c0b62254965cb0f1ca92753beaff4f109108a801cb241467
15. 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345