addrbookFor publishers
← The evidence ledger

Evidence row 3132819

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:296047
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fbb28f7d179e78fec35d3a38e7c0759dce5437d6bc30f08d97600cb198a54f86
Leaf
0x8fe9304cca72463e91c565b058b35aa140c76d5dea39065fe5317770285f0ac9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/A7ZMK7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/221a31d8-7fa7-42ae-9ff6-e84bdddd852e/.well-known/agent-card.json"
    ]
  ],
  "name": "Nubeon",
  "owner_address": "0xe13ee1348994108c9361b60e25abc6df8080e171",
  "raw": {
    "agent_id": "296047",
    "agent_uri": "https://centralcity.ai/a/A7ZMK7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nubeon 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/A7ZMK7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nubeon",
      "registrations": [
        {
          "agentId": 296047,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/221a31d8-7fa7-42ae-9ff6-e84bdddd852e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/A7ZMK7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793827426,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T21:30:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nubeon 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/A7ZMK7"
}

What the leaf hashes

{"body":"fbb28f7d179e78fec35d3a38e7c0759dce5437d6bc30f08d97600cb198a54f86","id":3132819,"kind":"listing","method":"sync.erc8004/1","observed_us":1793827825145296,"prev":null,"subject":"erc8004:5042:296047","subject_kind":"source_record"}

Proof

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

  1. 0x8fe944ae8ff7963e08eaa54d7fd1045150ce416a45218d08e3effc40182e2550
  2. 0xace67d4c6850093d380e2370fd6b4bb49b9b8e98706ad84f384777440eeeccaa
  3. 0x6a2c6b5a60872297a7944f9a9916e883074bdf4fef9a38859ed26ea62c70334b
  4. 0x6d242b3d00c950912ef8f03b19aec49a4f90c736d2a9240b4847bf0eb2b5aa20
  5. 0xbeb9114413228d60a8ed3e69f2122ae064a00c2e20bad2c77ec97e45a3c090e1
  6. 0x240c8018d87ec45840baa911a229a25d51ad4b24d9190152eda8e70e6f711612
  7. 0xb34d83f418c65f68ec20a8523fa69ee82c50d2fcef84f40d638b39067a8c5db1
  8. 0xa0925def9c6cf347770cc314bd510a1bef9de651d19eb855b60b2c7eb2b59bfa
  9. 0x9ad17837c0fbaef1fd823031fa21cb6edcf01d0fe50f063f125802f85dbcb2a3
  10. 0x5fc1c8bd4e66669114a0c266f3ce68e92781078c0fd7459f8d0bdc703fbc92a4
  11. 0x1e566f3510667abf7dd09d20854b611b743c9a3ea2dd1c8ad6901883f772019d
  12. 0xf656651b7b7185d3abc4ce13ddb7c68d67e78577a177973af3908c83ddd315af
  13. 0xf7388591abb3a8930323ebeacf6113318b7e0dbad2c1ac381f65db930a78e67d
  14. 0x81f4b53be09489882faa9a4cb613202e6d280222b8534330fe26fc56fa32a8cd
  15. 0xdf9a63a7db8101ed0a28aec6f2d247d6d7df856be1e744490c9b5261f2c856a8
  16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
  17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON