addrbookFor publishers
← The evidence ledger

Evidence row 2668601

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:201321
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8a0649d971fac61b108a7b3d7162eb5d29d98be7a7fe71d338b421e09d8293e9
Leaf
0x23b1da79da560d99a5a8afeffc0ba704f5bb807343333e8e619f981306bba9d6

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/x8SZcZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a94a1826-3c22-4ce2-a24b-f89c57c62cdc/.well-known/agent-card.json"
    ]
  ],
  "name": "Visik",
  "owner_address": "0x7cbb9404c420a957e80ce11470ad4fcc1b79f47b",
  "raw": {
    "agent_id": "201321",
    "agent_uri": "https://centralcity.ai/a/x8SZcZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Visik 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/x8SZcZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Visik",
      "registrations": [
        {
          "agentId": 201321,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a94a1826-3c22-4ce2-a24b-f89c57c62cdc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/x8SZcZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793734974,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T19:46:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Visik 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/x8SZcZ"
}

What the leaf hashes

{"body":"8a0649d971fac61b108a7b3d7162eb5d29d98be7a7fe71d338b421e09d8293e9","id":2668601,"kind":"listing","method":"sync.erc8004/1","observed_us":1793735174662534,"prev":null,"subject":"erc8004:5042:201321","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. 0x23b18999dc04c0d047f643c8c58d883f8da9f81ff7d08bc681317871799bb991
  2. 0x441b70398d077d79a19636f142e381e0c6606404d158f25301c4e0a20d40fe6b
  3. 0x799d1e017d7a53e8d765c646f504a7f9f087e6c78e5395610ab3f8c523198296
  4. 0x159248c3688556b37d7ee1872521b7fe8ecd7785e6db557cbf6196f671db4009
  5. 0xeae3fc2fe59ebcc907c738f405dea0367d333078059050ee0d64d63bac7642f9
  6. 0x3463ed3d9b4fbb20ef253ca7d4e6995e5f667fe3ba8249948f28c7c606790788
  7. 0x524db51a8678c99b6cf2a643373d9e3659d6e529aab5d2e7b2b9d3655447e675
  8. 0xdeafd3e8afef5704ad70dd1cead483068d641eb79b9b8b7ec3bfe9d0e2212b2f
  9. 0xf49bb0ed7cc07a5cf2cf03c3f1c36f55ff41c1b76aa71a4c3115ffeb45bb6882
  10. 0x1c34d0f15e85190d7a5584d17106ae6e7c97a9248b7dc3708b5c817a2642c906
  11. 0xab66e29e513532f85e434c4803674fdcb49d75e2e88fa2a759bd567df5145ba1
  12. 0x8a00064dc3090f721fca48111a776e0892c8731e78b7f7f25c29211ec7f40040
  13. 0x65706b23c7877da436d3d17f8ad39f1bc0527dbd6eda2d2fbe22724bb8d4e50c
  14. 0x2eb509fa1adfd792931a660ef16ddc125428dd5ab3b79bbec78835e1899fa304
  15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
  16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON