addrbookFor publishers
← The evidence ledger

Evidence row 3053782

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:277974
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8dc3b49f800ac7a089e2706091738dfda0a54615e38f066d3060e784b872cf07
Leaf
0xddc87814244fdb566a5e675856991b214d4b64c9ccab127f27849e22ef4805e8

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/z7zrVq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6d4daf82-8249-4788-913d-cce7f0eb68bd/.well-known/agent-card.json"
    ]
  ],
  "name": "Stedert",
  "owner_address": "0x9fa64b221160a3debdc7b5bf1ceedba63de9b6e9",
  "raw": {
    "agent_id": "277974",
    "agent_uri": "https://centralcity.ai/a/z7zrVq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stedert 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/z7zrVq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stedert",
      "registrations": [
        {
          "agentId": 277974,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6d4daf82-8249-4788-913d-cce7f0eb68bd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/z7zrVq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793818416,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:59:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stedert 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/z7zrVq"
}

What the leaf hashes

{"body":"8dc3b49f800ac7a089e2706091738dfda0a54615e38f066d3060e784b872cf07","id":3053782,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818786685495,"prev":null,"subject":"erc8004:5042:277974","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. 0xddc874a9b04249587b5cd1fbbd1aa9e0e62ae93553dc1996c4a663fd35b906ef
  2. 0x90296d82ff3e20634dd24601fbe9689917fb5525e9ea5ac34931b5f87989ec49
  3. 0xb342851472baf60b3b2b667e8e9a43e5a377e6c7f27699b0e7a16aaadd6acd3c
  4. 0xca5e93fad45b4a88664fffb69a5e5be9bdd9862827a7bb51ffdd3a4c3342bc15
  5. 0x1f5c9998b474881bac408f3539c3ab75763434b5bbf801af8c639a279c7fa306
  6. 0x92d3536491494b07602095537d535ba29cb998fe64dcd5cb46a7f0719237c7d3
  7. 0x66d562a7205b2bf5fdc1e307cf5efc08fedfa72fc2ed422427006dc6f6c36113
  8. 0x323e74d9afcae31d28d7ddbc4ea1d1b7dd37ffa1b510f7925f7755f8aca0f618
  9. 0x0d1f49ba93a1e8fce337e8b893fa8823c3c6526c39f5d55cfe9455f677e8f096
  10. 0x24230c2a72010311f3b794044ab52a9dae163aae15f681cbc3d85cb1b5c5906d
  11. 0xb3c36073592dae6b9a916f3eae022cc9a1599d9026bc6e8d8b80cefcb53c84ef
  12. 0x6d20f2b57a2eb75856fa3313d7871207774f4d57a29358cb2a782593dc2a04d2
  13. 0x67fea61bd4e70cc6e763fff5c6823730835de00cc7b0645a46f39891e3f8652a
  14. 0x3ed8b20a601d9b79b48f875323d8f3d5060181c3e824770cba4145f51f7170e9
  15. 0x4720135dc0f8960ddf4e33d6d1c6326cf5957dbfcb5082125bda6c5dbe57f8db
  16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
  17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON