addrbookFor publishers
← The evidence ledger

Evidence row 2589300

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:185850
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
e56c2a0043d17180321f2397dcc6aa7c5bf1fc42ec2cd748b548e14eaa10725d
Leaf
0xbe23834ea9bf863d61fe76f1624efa3823b6f40efd39e175cc1a7a7299b73864

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cQvebV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e0963915-032b-4e07-9b25-f15e0ac6aa64/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkabel",
  "owner_address": "0x4117e379d27b61bb1f2cd822f7388ee2847a73f9",
  "raw": {
    "agent_id": "185850",
    "agent_uri": "https://centralcity.ai/a/cQvebV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maarkabel 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/cQvebV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e0963915-032b-4e07-9b25-f15e0ac6aa64/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cQvebV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T13:39:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maarkabel 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/cQvebV"
}

What the leaf hashes

{"body":"e56c2a0043d17180321f2397dcc6aa7c5bf1fc42ec2cd748b548e14eaa10725d","id":2589300,"kind":"listing","method":"sync.erc8004/1","observed_us":1793713168642857,"prev":null,"subject":"erc8004:5042:185850","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. 0xbe23ddcceff4d3534ad7482663f829afb57409ec601532b3f4c565e425492145
  2. 0x35d54fe2fe3ce9caf4a2e119f8eb06a5219c87b4f2a5834e555a28d2b7aba29d
  3. 0x4838f31950fa94332d2607eda2f53cf099f0f5e0addbe9810c4ff53c28e506f3
  4. 0xf809ac110148c63cd2de9043be6d1c65755c4b375d6eb12111c3edbb1f7d07c1
  5. 0x5ca646240fa27d4e140875cbb9ced3f509d019a4962313b502a932314714aebf
  6. 0xe6e0efaf5dfa34c0b8e5fd121e969ac9f6d8adc78aa289c9ca1468f909eee36e
  7. 0x6f7c29642d636db9815eb87401391c071f78fe852be473b94711b8826f2b3430
  8. 0x0421c320428f99f793cd5a2d158853fabef928aa07af45dd86bb7ad5aff79093
  9. 0x1badf6c65e576a9a9652d7571c6f060195b11f286fe1e4431c9b86acae8c5ae4
  10. 0xe34404ac549f54bc222bc277d60ee8743d23d139a5ebecb72127bc5d6b53b9ab
  11. 0x2f39e5c072108f0b1b6b10b8cb7c8c422e32bdd8394246c879e5c30a037445f0
  12. 0x99ab6708c45168394b51cbcb772456a645fb2438299e995dc1d6550804d8cd54
  13. 0x7e57bf3ad9e8414c054c7472c2f2892726935ecc1f17cf00d0654a401e9650da
  14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
  15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
  16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON