Evidence row 1834755

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/JU0xbE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4eb452c0-4159-4886-81c3-923973ec4cbf/.well-known/agent-card.json"
    ]
  ],
  "name": "Fika20",
  "owner_address": "0x4540aac521d8d515fde7d859d4b255e82052b929",
  "raw": {
    "agent_id": "31526",
    "agent_uri": "https://centralcity.ai/a/JU0xbE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fika20 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/JU0xbE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fika20",
      "registrations": [
        {
          "agentId": 31526,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4eb452c0-4159-4886-81c3-923973ec4cbf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/JU0xbE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793570556,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:06:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fika20 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/JU0xbE"
}

What the leaf hashes

{"body":"3b928a973a3223d180ef9423b0aa78944370dab8dfb5c38adb03e23d931eaf63","id":1834755,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570783641611,"prev":null,"subject":"erc8004:5042:31526","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x84a6f088818569b4d951572003c15e7b19dcb9c88c0efb372562d46fd1ca47e1
2. 0x6934c3528b31a084f789840cd406160873fea68ae657c1615e02274343c7e937
3. 0xc2c52cd71dc8971d50e3926217865db9acbe39de3ae96160c37e871f58bcdfff
4. 0xb497ca0978a4aa347a83a58e357ea193adb6db22e1d17d33ada645b669294f71
5. 0x692c1c25a6f0bcfa93513bc2e6670110904fc7f1706934d8cf7f106c205a4038
6. 0x7a837e81d3b41b6be587f887d8f433a025d4079f6c4d27fe1bc3ab645ed7ba9e
7. 0xc98d1ebb1ddd2f80294e3a92c49498712c0301ca68e31ce897c476126895dd24
8. 0x91a32b565d5941e74e8a268cc391a3650b069d56f91547ee06cbe18ebd5e928a
9. 0x13afd04c683d5624f29f9974695f186937275b957946bde9803a7e9b66d494fd
10. 0x6bc248581f839eb9ed9c07baa3b86ab34f43c39718d7b1acaf89f03b3e2e1572
11. 0xc1329761574422ebba78ac6e99a68e179bd5f544722666ce77b7eb2561f0ed9a
12. 0x3e696f7655814cdd0c2f74fc09e68f3091e794fc7b5882a8e71c89e5c4bbdf00
13. 0x23a4dc987ee7dc4c8a8ce447e3eb85e80166e6855921cf4fe20a6b0da70c4d2a
14. 0x12d005bd5bab52a5295a7639e02ffa6fa98b5e18753f0f4638b668903af24ab7
15. 0x3950a937c3f98cedf9cbbc2f8905c10e3aac8ebc54b1e3468237d58bb254c496
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90