addrbookFor publishers
← The evidence ledger

Evidence row 3009450

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:249572
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b0fc19c2b3cc7afaac2e6894ec0fcdd7169558b224e072d5fb5d4dead8c6c9d5
Leaf
0xdebf97937da4cbae52cdff0f485f0f49e7cc07277c2f546309d46b807397d1b5

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yHXBbM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b0ae8ee4-04cd-499e-a875-bcd6b38a8572/.well-known/agent-card.json"
    ]
  ],
  "name": "Kraber",
  "owner_address": "0xbcfbf75dbdd788e5b1a7f35f4265cb283364b0b8",
  "raw": {
    "agent_id": "249572",
    "agent_uri": "https://centralcity.ai/a/yHXBbM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kraber 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/yHXBbM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kraber",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b0ae8ee4-04cd-499e-a875-bcd6b38a8572/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yHXBbM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T13:09:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kraber 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/yHXBbM"
}

What the leaf hashes

{"body":"b0fc19c2b3cc7afaac2e6894ec0fcdd7169558b224e072d5fb5d4dead8c6c9d5","id":3009450,"kind":"listing","method":"sync.erc8004/1","observed_us":1793797756407187,"prev":null,"subject":"erc8004:5042:249572","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. 0xdebf5fa101e43a9834df1d33fb8455daadd120fea11036f6f60aefe7259aa69b
  2. 0x941d831387b61818057186207d65eeef04ff520b1fef95a81c8d44370402f72a
  3. 0x87a59be1b06a82e52336e4ccdec25c10e6ba90cae33534f93d949f4d8376bd1e
  4. 0xe4a02164f6c7f1cc930e221aaa3adf15a26b8a925f3e27a8c41e1da3c1faff9c
  5. 0xbdaea664344e7ee442393dd7468ed01344b65134d2db90409fe5d23f89e2d65c
  6. 0x76b32b903d85ff5ca8c056969bb542fc390ef2f245706316fe67e608f8117085
  7. 0x2d0ea0cc4c9a1a410fd09d6e35ee8b237ac3d3702d08673f4ac1fa5d7f927f71
  8. 0xeb0152fc5e1e48e0b5215b6b8ae8401aea27d42c98c0e8764f6289c5687ccae6
  9. 0x1d65082539098c29fff6ad254fe9e96e450f0f7621df562f2130065d12b4cd30
  10. 0x9e7f05919f7596df3e546b6f691b65b928ef00bd6ad69df92c1a24d17db5a88d
  11. 0x02bc5279d4463c229b6eac1d6b29c448314a64f030771a33139755039691326b
  12. 0x9974171cbfeba79f719df1000decb53556dd1fc1db2a27bca7af9656bbc1a825
  13. 0x99af371946a72e5b7319779399678b3ed4e9e5ebee43a19f67c93b3da85af59e
  14. 0xc76edf7c58295981a8b2d7f51e60517f029cdf9eeea7cb9427318525c1879cf8
  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