addrbookFor publishers
← The evidence ledger

Evidence row 2285613

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:135521
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
28f40608fb6d9be03f9f095f13c42f961bac2d866a8c57b729914b8cf87df40a
Leaf
0xdf1dd1539dd623fd98b432f1a768ac34576ea0fa45a30fea9bcc20b541b8f026

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/j1U2C9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c0afec82-6072-41e3-9ed9-1f4559dbad56/.well-known/agent-card.json"
    ]
  ],
  "name": "Maosson",
  "owner_address": "0x2c7529e9175d598335f0a820554acda8ce681b53",
  "raw": {
    "agent_id": "135521",
    "agent_uri": "https://centralcity.ai/a/j1U2C9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maosson 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/j1U2C9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maosson",
      "registrations": [
        {
          "agentId": 135521,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c0afec82-6072-41e3-9ed9-1f4559dbad56/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/j1U2C9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793655713,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:46:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maosson 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/j1U2C9"
}

What the leaf hashes

{"body":"28f40608fb6d9be03f9f095f13c42f961bac2d866a8c57b729914b8cf87df40a","id":2285613,"kind":"listing","method":"sync.erc8004/1","observed_us":1793655964092227,"prev":null,"subject":"erc8004:5042:135521","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xdf1decc57f0d06d4d639bb2627d626e99785e6b40786c4244569a6da48e971c9
  2. 0x522a0e670fdb913141630419fd85b09b745ea02fa3b82bc02abaf8289753aa6c
  3. 0x42341fd9b7403d899c8d534f582535c3879c43ffa15416937590970618036828
  4. 0xf34b4aaf72a31b77982ccdfc2ab307ea191e3b7106cedd85f11570c5707807c0
  5. 0x029c26e2e44c97d9d0227a75b9b1c6834be09a9e8aa2c0dcf6001453a699835a
  6. 0x7c04745970f587633ae88f2f4d1e56374761ddb2d80b2bcc530119b704b94b0a
  7. 0x6993d2d3d4c41394bb0b504aeed8fc2781296920c533c9f2c40766ffca1451b9
  8. 0xca995de023799737f198f79fe73422af4fc3cc323082e8b44df81221f5db9856
  9. 0xb697ebc658992728c3134e65347eb097682aefc9d80d7d1d2225b2f6fc3491b0
  10. 0x1aa002e25c38397d6c1c854e2f42911c07f1c14801bd39433418fbc2f723adda
  11. 0x7e452b6a4dea768ccff53550a65b90d8c6f2277724d0b7b1eece1f2b2b700be5
  12. 0x658a03e3df61154a1a62d12a3aee91c196f7b3be59438a13e42a6796e2adca05
  13. 0x1cd421f1e0b0be98fab8392181e25435047bd7c44fcbda07fa5cd27615d6b674
  14. 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
  15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
  16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
  17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON