addrbookFor publishers
← The evidence ledger

Evidence row 2721786

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:208760
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5ae20f760c1f569600805e6e1ab373a685ec2cdc0a7498f62534aa56d5285567
Leaf
0x42f512884c4ddb9c6c7098b0904082a64a4efb8e5b14c04ffbd899b8acdc2c88

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/gL2O5p"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a8933364-1f6e-43f2-baf2-26c62fc36063/.well-known/agent-card.json"
    ]
  ],
  "name": "Nobjo3",
  "owner_address": "0xde28b295c5ba99bd76e0de02687c119390d422f5",
  "raw": {
    "agent_id": "208760",
    "agent_uri": "https://centralcity.ai/a/gL2O5p",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nobjo3 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/gL2O5p",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nobjo3",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a8933364-1f6e-43f2-baf2-26c62fc36063/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/gL2O5p",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:28:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nobjo3 is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/gL2O5p"
}

What the leaf hashes

{"body":"5ae20f760c1f569600805e6e1ab373a685ec2cdc0a7498f62534aa56d5285567","id":2721786,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744939358045,"prev":null,"subject":"erc8004:5042:208760","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x42f51ca3bbe38e40a310858afa9271f500702c9f4d05938fff8c10163d39ed60
  2. 0x06d518a2ed1d205e4d23a239ad52c0f6f8d4c34844b6fe2d5cc643ec1784963f
  3. 0xaf44fb9c4ff4c3f184d61bcf5694bc93f7a1aa0c4d3d820e8c6123853572553b
  4. 0x03e98b37d561e30653aa5a46fc565b296a264e766ff95818c0814f2eaec5b908
  5. 0x5701750db321fe5fa3ab90197795c77fa59116c6b3b5a58de6c24920e8c335c9
  6. 0x12083c65e76637a50314d3073d19f2610b29ec491ff81576d539d5cf2275da96
  7. 0x7b07c42b945b5026271f4563ab56ae23024c9705f04f6784ab73915574986042
  8. 0xdaec4ff1ad04d4cf384c67589c470520a494d17ca2793230f8204a039786ce98
  9. 0xb815f93ff3cf340eab6d7e7768e4b3c38fb94f3c7d48a799cfd6d2dd1052056d
  10. 0xacb49bc721d6d7b31444398739f0d1c8a170711eff56e1a8a6c5b0f07f30ef87
  11. 0x3c180f815450f09cd83f764a78cbe6cc93c7754a0d673e285aee8f5d5cc2bd0d
  12. 0x1979de8ec5c2f5181ed10617648e4cfd9a76338606463edf56d965bb93f9ef9e
  13. 0xcda9afbf6d521dd006295916d12948a467a90d542e8d2f80f42339b4f83ed5b1
  14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
  15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
  16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON