addrbookFor publishers
← The evidence ledger

Evidence row 1777263

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:12360
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a6687181ec2b5c486e9f8dc877f3e6a6b99bcb948c854a0bc0c1274ee654e91e
Leaf
0x7a886acad6b1ee143070f12a2e39b874f29c86605067d23db8374dbf572c818a

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cWvC0x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/67627098-787b-4b95-a10a-3436120317f3/.well-known/agent-card.json"
    ]
  ],
  "name": "Fikon",
  "owner_address": "0x1aa8db493b5e8d430854c8ec6aebaa5cab3f79ba",
  "raw": {
    "agent_id": "12360",
    "agent_uri": "https://centralcity.ai/a/cWvC0x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fikon 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/cWvC0x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fikon",
      "registrations": [
        {
          "agentId": 12360,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/67627098-787b-4b95-a10a-3436120317f3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cWvC0x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793552632,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:05:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fikon 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/cWvC0x"
}

What the leaf hashes

{"body":"a6687181ec2b5c486e9f8dc877f3e6a6b99bcb948c854a0bc0c1274ee654e91e","id":1777263,"kind":"listing","method":"sync.erc8004/1","observed_us":1793552716976478,"prev":null,"subject":"erc8004:5042:12360","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. 0x7a88c15de641cd37c2c229e3edbdb25cf28ec48f255e99bd65908cacf8561b12
  2. 0x41a28c8f294d31063b014bb72a93848d665acb8702ec6acc6f2b214e1ac05d24
  3. 0xa967c35d8ec9522f3dcd1e4e26a526695945557fa6bbb5150dfba1dc9e717168
  4. 0x625807d36f1714b6ccf891d70e16333a2b6b71290e4d64103e62d9bd6358077f
  5. 0xbf91d4d78ea2920abfa7a8952690b80e12a64daff0cc002f926c760a4844d31b
  6. 0xa5e6116b31347cad4aefa9a6ed48313a0534e7c3c76d0481499e2575f6a87e63
  7. 0x3339f374e1c12cdfd19bc4fc1745ee21abdaf6f985972d85614ab6cb27565571
  8. 0x64e45e4afaba45ef0e3bccb23b48bd1f4408a9cbd359d78f53584214a49c9573
  9. 0x896204666ab4470849682080f6c9972f928c0dfdf40f0d45cec44e4a3d9f974a
  10. 0x27cf61cc434972937324c69908183a98a35f14fcd7a1f2b34d1b499470d49688
  11. 0xbd8a3f895ecfe19f55af30af517863e290c5e4b5c90b8220ebd4b2026a1b53a5
  12. 0x9a9e879591a3a0c0c16124efe0ff42b3c7409385d7343b036feed7c53c56aff8
  13. 0xa293e826c573b6aacb42bdfe34ebf9ff9c01a7719cb79774843599231be3aa36
  14. 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
  15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
  16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
  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