addrbookFor publishers
← The evidence ledger

Evidence row 1816534

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:20497
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
556bb26677ab25b7d328bfb1e737e527b3f323df6e0da26791a7137a7f0a5d0f
Leaf
0x8e46dccb1a0013620eb203edaf6775bea6a0012910700f7dbeaaa8ae4fbca46f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/06X04Z"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/54c154ed-ab7f-4fc1-ad3c-89164e9b03bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Risson",
  "owner_address": "0xac2d9578e3a4aab8d238f726b7c8d7bdcbe10303",
  "raw": {
    "agent_id": "20497",
    "agent_uri": "https://centralcity.ai/a/06X04Z",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Risson 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/06X04Z",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Risson",
      "registrations": [
        {
          "agentId": 20497,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/54c154ed-ab7f-4fc1-ad3c-89164e9b03bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/06X04Z",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561443,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:33:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Risson 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/06X04Z"
}

What the leaf hashes

{"body":"556bb26677ab25b7d328bfb1e737e527b3f323df6e0da26791a7137a7f0a5d0f","id":1816534,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561587952872,"prev":null,"subject":"erc8004:5042:20497","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. 0x8e472a5bb7d0399eb316e1bca25d92946ec4d1cfe181318597d3b5c802f34a31
  2. 0x794b6e529f9f84646ff0d366be1fbb2a0f8527a7516dbcf17e0390767e60239d
  3. 0x5b4600ae33d03131492958a74f60c32a4b7dc288e0b4deb6330e343b33c2012e
  4. 0x4a4f0b53a8de56fa61cb5db258c5aedbbf91d2c9a01a870e028f9eca500f8261
  5. 0x85ed24a6cfd2392b3c61fd70c0e9fe2c8636f1cbb39b815570ffb83db918f8bd
  6. 0xcf9d16273f739f8f9da1508033ba7dbecfa543e2c6f60f08816688be73867dcb
  7. 0x0a12669a218796f22ac150f63b7c7794162e89c95266f675d0e54dbd7b3308f4
  8. 0x65254b877d4d12f1c4e3ff8f9b095cfd87d0b705ab07cb9932fba4143054c08e
  9. 0x8b7d9e02a03375acb506e6b29ea783dd2207c765a825905eb92229f85b37be4e
  10. 0xca4b155d0208fe155b3b63ea01e1d7a45c9280c0431fbc4f49670c3776b341e2
  11. 0x9f8544b9135e6fd812b79bf091b4b502d87aa2c6dc19cdf6f34d8710d84fdd46
  12. 0x975ddd222bead9708a1d5eb602535d44e806cc898a062f63445bcd5475b18160
  13. 0x592c6bf7478ece75e30eaddee3c7949403bcafb35d8489fe5310c10667a2df24
  14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
  15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
  16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
  17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON