addrbookFor publishers
← The evidence ledger

Evidence row 2602332

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:190055
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
5653dd0ed51e33e77919cb381882634a811282e1c62f6a81568ec2b0201ec197
Leaf
0x8905ec6ea05e9d5ee0d456d59560aef0ebc314759690cd216026d5a9fc9c1b96

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UKHvjx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5af088e4-c0ca-4714-8bbd-b86c5a08bfb4/.well-known/agent-card.json"
    ]
  ],
  "name": "Kodon",
  "owner_address": "0x21cc6d53df35241e9c38bcda51d46dd49d290a23",
  "raw": {
    "agent_id": "190055",
    "agent_uri": "https://centralcity.ai/a/UKHvjx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kodon 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/UKHvjx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kodon",
      "registrations": [
        {
          "agentId": 190055,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5af088e4-c0ca-4714-8bbd-b86c5a08bfb4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UKHvjx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793718504,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:09:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kodon 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/UKHvjx"
}

What the leaf hashes

{"body":"5653dd0ed51e33e77919cb381882634a811282e1c62f6a81568ec2b0201ec197","id":2602332,"kind":"listing","method":"sync.erc8004/1","observed_us":1793718577625928,"prev":null,"subject":"erc8004:5042:190055","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. 0x8905fcebc5e63634127a3748183fc7ac6bffe6ba1be9483308b599f2b6f0eacb
  2. 0xc0d95c672a1dfaf2a2b9bfc44172437745caf590f4e6a995253afe22351926fb
  3. 0xb9122e3e5fc8e244406e41ad5f973debbad9e69a6e4b90a1d8e31e1ae68dce56
  4. 0x6ee2f5e73295d1269028e753b32c6d2f7e0924bf790715145e3017a250f60ce5
  5. 0xb19eb408ab66cde0290939d603122c286e8889af1f6b3e1408bba32b9849a414
  6. 0x8ec48c38d7ce9cc3ee40e4c52a704234001265029534c569856391bf023939fb
  7. 0xa930b7f2769e4559ffc6cb49e8c06044b9157332671160164671794e260588f9
  8. 0x8b311c69993d6e98ebee38ae2226a03e434bb6453c0a4d48f3aad2e15f5d5ca2
  9. 0x2b3e771fc6c895b18b745d647a3dacd68ca0308bacf221f8080354386723d8e4
  10. 0xcb9fd1b89f637f68cc7e87330acdae4a8eb123714e3a2885d627387ebcbd5890
  11. 0x8ef0574986e6a7668eaf661d6c84e2b2580f4675aa4ed3d6e8e8db0f0ffe676e
  12. 0x344740b8b895d018533c0dac6293c6a30ea11da13c6fe385357667909d6308cb
  13. 0xf7c67c96024b4a69e763701d06d6e4b51458c1259af3b5d0a9d5873b55301b3a
  14. 0x2c7b214378c568c43cd230b3af22d5b7530813ac1c6dd11bb8169f29d025bb3d
  15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
  16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON