addrbookFor publishers
← The evidence ledger

Evidence row 1824602

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:25391
Recorded
Previous row
#1824322
Body SHA-256
b2e6e482e8a77df7b89177a327bab07d06fc6acb64cac0e9f74e48054c9f5832
Leaf
0x09a91fa2718db0135778ff3651ff94717f75e1cc66443b1e82440652b90bafcb

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/chcn7S"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dc943951-0c8c-49c9-9ab1-31ae4a67570d/.well-known/agent-card.json"
    ]
  ],
  "name": "Vizer",
  "owner_address": "0xde308149b208177bb7d01946de5e44a1b8835362",
  "raw": {
    "agent_id": "25391",
    "agent_uri": "https://centralcity.ai/a/chcn7S",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vizer 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/chcn7S",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vizer",
      "registrations": [
        {
          "agentId": 25391,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dc943951-0c8c-49c9-9ab1-31ae4a67570d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/chcn7S",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793565794,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:47:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vizer 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/chcn7S"
}

What the leaf hashes

{"body":"b2e6e482e8a77df7b89177a327bab07d06fc6acb64cac0e9f74e48054c9f5832","id":1824602,"kind":"listing","method":"sync.erc8004/1","observed_us":1793566039401249,"prev":1824322,"subject":"erc8004:5042:25391","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x09a90c6c3b9448a107e1ab836df9af0c8d8b8de4de91324e7e2727d443d6e8f3
  2. 0xc133ccad2d0cfbf43ed056192e821288d65100f994fb437d5dc1aace45fad33e
  3. 0x6fe6818d586a08e8b2692e1eca0e0d79c7d4d8702a94c91ea7c60ca5780cd0e4
  4. 0x7f984afdcde2a1d140133fae2854e90bf7d1dafed61ea7bce3d980ff882f15fa
  5. 0x0cacb9eabd20be6f184999f26cf2cd99fc29dd184e2ae5532ffc84597044ff09
  6. 0xb5961787b4e235f416066cde891ad1054c5beb3e73285b460ed76c891a5f6138
  7. 0x67e8854a3f1f55e85f207c454577e4ff14f2e3183f83b857809ce89d6196b0ad
  8. 0x44e31246897c650365ae673a4a3e4ebe766df4d7add500d1198de12c9668add9
  9. 0xe931335a3159d2d84644e86539ce71b231e2a491a4e2e0b54ba0e992b6188439
  10. 0x9d89866147e9e6c2e4c061d733a244e06312990b974e25cb25d08aa02fe7041b
  11. 0xfc31cff4f03068b09026f495052aa6ed937c7eef5d747c04efba83c1aa9d3f83
  12. 0xdec6cc03db6119cc2c965eeca2635d88501115f408138d713fca6a96e378db8e
  13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
  14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
  15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
  16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON