addrbookFor publishers
← The evidence ledger

Evidence row 1779152

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:14018
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ac486de8073569fea6da4dffbb5332d5b4126208f1e1e9642d7f4bf01f5409fb
Leaf
0x92e6c47901d21ec7f5a8b880156ba659d6fcd9215f7d0e113a7f5bbf50c3df17

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/f8CX11"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3860c6d4-d94a-4fd0-8d12-7844bf8333d0/.well-known/agent-card.json"
    ]
  ],
  "name": "Brussel",
  "owner_address": "0x521ebc077d34d47fc8041d739991e4dbb5dbea0b",
  "raw": {
    "agent_id": "14018",
    "agent_uri": "https://centralcity.ai/a/f8CX11",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brussel 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/f8CX11",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brussel",
      "registrations": [
        {
          "agentId": 14018,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3860c6d4-d94a-4fd0-8d12-7844bf8333d0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/f8CX11",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553909,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:28:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brussel 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/f8CX11"
}

What the leaf hashes

{"body":"ac486de8073569fea6da4dffbb5332d5b4126208f1e1e9642d7f4bf01f5409fb","id":1779152,"kind":"listing","method":"sync.erc8004/1","observed_us":1793554111201293,"prev":null,"subject":"erc8004:5042:14018","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. 0x92e6e42cb37d1f9d1aa67d13876918089f0044eedd892196e747caee096d7c6a
  2. 0xdd671fe549fe57e7b9509989d74028c81f85dcfaf9cbdb17e1fc915a24557509
  3. 0x43543ba11fc3f4411405b928f47ee2ea43740740c57551f02fa7b9a9c23169f1
  4. 0x83fce38b198c04104c3b589192b4f64d191c44ed774c2a38aef264df8641797b
  5. 0x5befb8535e3cdcc02b8f2c8aea4d313e4b2862b1588da0e356ce89174168c9c3
  6. 0x9c0b2b63da56aa3ad3be262f1068f6e82abbef9d246f28a534ea64e5be7d6fb7
  7. 0x35084214f3dc6b1b355a7a71d4255ec3d81f3346c37b2f05d9f79c16659275c1
  8. 0x85fc0f118dad4775505572ce6c6f1abd719b1ed419d7d36e5eb684e4999a5060
  9. 0xa463cc4c285816d8177fe3af56a4f6cae31391ab9d36a68d481a468fef23a62d
  10. 0x8eb0e700685ee4f1570bdd5b440a5efc0e0949417abe8ea8fda9d69f16d67e51
  11. 0xf1c27e68dd70f4e29ed9028b1c23e6bf29f1eb2ff50a8397831ad3fcdbb19917
  12. 0x4fd690c8544ca6b7240571aac78060441cc959a78445821893d020b2f7aae90e
  13. 0x73357a003686b5a36e79c0627c363287b3b4b7b05650c5c5ef61e2fe0f8fb20e
  14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
  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