Evidence row 3123278

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Yp8Uc2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eaac204c-8d01-479a-ba76-f28d90fa7ee3/.well-known/agent-card.json"
    ]
  ],
  "name": "Febjo",
  "owner_address": "0x9e540f7061a9ed4c7fbdca673ef4ce03a1b7ccd5",
  "raw": {
    "agent_id": "288634",
    "agent_uri": "https://centralcity.ai/a/Yp8Uc2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Febjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Yp8Uc2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Febjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eaac204c-8d01-479a-ba76-f28d90fa7ee3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Yp8Uc2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T20:25:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Febjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Yp8Uc2"
}

What the leaf hashes

{"body":"c82c3ff36c9528d7becad2075de57ac00d48da2344d150ca7d6b2e41ea185413","id":3123278,"kind":"listing","method":"sync.erc8004/1","observed_us":1793823922514806,"prev":null,"subject":"erc8004:5042:288634","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x81c70a539a5855e2bfa4cd49d18ec6ccdd3ae34b403cf7a16f92866f35d97509
2. 0x0abe2d514272a4dc31bf19c1e377809abf124ebab3c614b8f8aeb65bd187594a
3. 0xcc2a7f1805b8f933cdf4b9ded8e693b63d15a0e07854d25fcef6dd834a48ac03
4. 0x7f5d277cd8d35c55ec42b1b474d971636046b6d60a221bb9c209bee8b02d018c
5. 0xab64ce5c8fb4c053d91d050a42ff3f9a9dc71fb538d4c6736414fc0f9d73fd95
6. 0x20e0d214c32e4738cebf2f04beb7bd001329208e2d74eb7f2f9997728b8dabea
7. 0x35a3d1091cc35114cb9b5b6ddf22507441bd6a25595fa69ea40441b7c161a7c4
8. 0x56cfe798487463aa38f48fb1cb5884b4a1edf561dbf693a57553035936a77acd
9. 0x8e30301ce58d91ac2d771b24c19276285981d20666b3ec2dc8db1176bab248b5
10. 0x55f4f7a1c5b0510de0a45e24c030fd25405ab04852530492b82c83b4dcda86b1
11. 0xccf21d5bab333ff13efead30e7e9274d2b2b082d2ea58de9ff994d9bec2030b6
12. 0xd27fd06e8760e4effc3d1a3d4da2356bad8f609bdccc7918f33c80c084846bed
13. 0x872dac3bd094aec73d51dd10f92fdc7d93a6574276c3984bd40bfd36a6d87f0c
14. 0xb1ab0e3e8cac6654ac8ea8268541c4e7427e5681c4656606d00e2a8f8dfc156f
15. 0xfd43ba7389cd962b524a46ad83e1376d2c8058f201e4e5045df6cb4011c39a08
16. 0xdc69c7e21c2f9c0827141cf63db0938760879d1a284b22ad79d15b80f400808c
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345