Evidence row 3018914

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PF8VnG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8ce975a3-e804-42d9-abe6-d4b1e0fcd116/.well-known/agent-card.json"
    ]
  ],
  "name": "Niasteon",
  "owner_address": "0xb5d611ec921b57ccf6c97c814b13881566812ee7",
  "raw": {
    "agent_id": "254878",
    "agent_uri": "https://centralcity.ai/a/PF8VnG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niasteon 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/PF8VnG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niasteon",
      "registrations": [
        {
          "agentId": 254878,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8ce975a3-e804-42d9-abe6-d4b1e0fcd116/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PF8VnG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793803843,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T14:52:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niasteon 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/PF8VnG"
}

What the leaf hashes

{"body":"2836dc9a1eb587157a60007f256c3d5715fd844a7ab0c8b7228ef2fd7fcbe571","id":3018914,"kind":"listing","method":"sync.erc8004/1","observed_us":1793803939329694,"prev":null,"subject":"erc8004:5042:254878","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. 0x879f3e666964cff4f8f68a26538469c5704a599f9ac4f102c1c7ae06b0b626e4
2. 0x9dfeb2e67bfb9bc97030dcec7db12682d2334a4e3aeac28efc4cc61fc4087d52
3. 0x15e4a2d1780b62fdab1fff6d350906d61bf2561d39f5b180b1c1c22869658309
4. 0x4a9ec64239531271f2d93d11fa639f46b5c35cd0d5728fef0a6633c11227d2b6
5. 0xe6c4ecba950757bea21db77738eb7323a020cedfedfbdc0cf36562304d7cd903
6. 0x20de010ccb0277759f2103059264f824bff0a6457e17141d658bbb19a6816804
7. 0xde1195aed09e1b5cf8a0517326f5507f4a51257c34e842e4f86f8a8b12090d34
8. 0xb808333a0fe97bfb9b36f2c5c24baa268251ce21e16afee9d6a1524f4e8c793f
9. 0xdc48ff5e06566c9b5d2552c0f47ad781f19b993834b95603b09b2ec32a4dad10
10. 0xafe2b780ef4c04f93eea0dd4621ce00829ee3b2002ab9d8e5335236e51935a17
11. 0x0e5cc0b72b2eef3cc64801f46b2306ff44c2191f6bbd19c2038e4477a232f685
12. 0xf8c912f5a60a443b753e7959b771df8a1d724ebd90312267a556079e366e8ee9
13. 0x94c004491f555f082be1a38172d879542c52b6d1ed19e62158f3b9ddcd5769c9
14. 0x4d0a7156ec796edb8d5a0d2e4485532fbdb3169d97aba38a0b511c2d6f628d21
15. 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345