addrbookFor publishers
← The evidence ledger

Evidence row 3010802

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:250158
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
416fff9876f0c8c6a3825cc389d7edb6fc9c496876020e415a3048ee3f030df2
Leaf
0x744d1094ef12b3ff2f4949c9f82e33809a24b52382dbb7aeb336d64e70af5888

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ndJXpA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a9d6bbae-c9d8-4238-b0e7-a944b8cf48f5/.well-known/agent-card.json"
    ]
  ],
  "name": "Brokias",
  "owner_address": "0x8295fb1c6144cf966975954ea2f7943b57aae08e",
  "raw": {
    "agent_id": "250158",
    "agent_uri": "https://centralcity.ai/a/ndJXpA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brokias 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/ndJXpA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brokias",
      "registrations": [
        {
          "agentId": 250158,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a9d6bbae-c9d8-4238-b0e7-a944b8cf48f5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ndJXpA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793799050,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T13:31:32Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brokias 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/ndJXpA"
}

What the leaf hashes

{"body":"416fff9876f0c8c6a3825cc389d7edb6fc9c496876020e415a3048ee3f030df2","id":3010802,"kind":"listing","method":"sync.erc8004/1","observed_us":1793799092170296,"prev":null,"subject":"erc8004:5042:250158","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0x744d906241b7d813d55c2865fd1c1603314e1cb8dccf3f853135c177e4c934d7
  2. 0x0e55bb53e612fdf5a7951b7c665c3d0406745685a5be5c8a9ced5395603733ef
  3. 0x64c6a1b0b4a340b9f86da3f237318d030be7875149b66902e214f7ad92470e65
  4. 0x8a0bebe9bc97ffffd2e6ff0a8a2202b1608fa388815b1802c8c926d422bf1ca8
  5. 0x4d80182f6f0ab323805a2aeab00b5027f829cce6ea20161412662e463b47b079
  6. 0xf4dabef23a1f9c0faffcdae301f3c395eb6d4024c48767adcd072d656138eb85
  7. 0x524a3e2259b14a06f9b33f07d4a474beeb2a84c17f64016a354113148f75009f
  8. 0x13bf70ad69bad1a38667d6c183bb4349f4004de4484599e622d22db97e0e0b33
  9. 0xd62f49e308850e73ecfee296bb6b38d5a1ad5dd2f4f6b8d3004a2f2e0c7546e7
  10. 0x691453a1ed14140f6274b7d6b77808ad9b38040d7ca4f23e9146ca805b53aa0f
  11. 0x54eaa57e061037febbc01cd62f70e546d74340bf3deb6cc06a89e66a5a3fbafe
  12. 0xb78ca1cc2537dc4c8dccb6b881f6ff5795b53e25d4ba5b11bb12d9d95bdde53b
  13. 0x09fe091f63c54848d87530415bc5f98c2ea6535403574d2b6614f885c6c48f8d
  14. 0xe27ae3c825a133907c02ce25e7292a68e76325500afc33ab38a3ba76e1a0d26b
  15. 0x539d73c83d7aa7f740599809a1eb066b48ddd9e8d1ce14a80cb191f4cf87d3b8
  16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
  17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
  18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON