Evidence row 2090072

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nz9Ag8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dd475d08-a7e2-4918-9378-b0e98159585b/.well-known/agent-card.json"
    ]
  ],
  "name": "Niansus",
  "owner_address": "0xb8d733c5caddda3d019e49f40d5506beefacc380",
  "raw": {
    "agent_id": "76426",
    "agent_uri": "https://centralcity.ai/a/nz9Ag8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niansus 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/nz9Ag8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niansus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dd475d08-a7e2-4918-9378-b0e98159585b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nz9Ag8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:08:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niansus 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/nz9Ag8"
}

What the leaf hashes

{"body":"36d640c17b6aa45e65c818a3f812b5125210e57c074076f3f259fc9d4eb1734f","id":2090072,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606898029595,"prev":null,"subject":"erc8004:5042:76426","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xc2e6d2197d71eb03f73a71257bb97949ad5a85ad7becb64a252c158e1885df27
2. 0x590004fd63a2912bb4dd4d89cba337d09778c27da8377e164a9765f828cd4e79
3. 0x748692bd691c875d806ea83e398a979e777211c7354e983c180a9bc4a3da195d
4. 0x4edebd9cf3b34838d53acddcfa1e42ce751068f6ee75c5a8cd114116a07490da
5. 0x7dcf0a1944b069171d366e41353be691764dfc92b9c98d7510e4c6977c11f46f
6. 0x05d6343c2fe9a98c41e84c9c6c1cbc8cf881dcee67b74ced747a53611d2f09ee
7. 0x9ae19291112c514076233573d125b4b6ae3c3f39ee06f5e0332a63d732545b48
8. 0x38ece7f150ffdda9f38bd395fb24af204ad154d254c6f67ff7d3f91d9f672ff7
9. 0xe220724e10200f862ae93050976641542d10b7eb23298381af6976443ff81e33
10. 0xf681d98e101cb97c3d7050d9559e599d7fe5ef180bb57cf817edfb7f48b4d694
11. 0x0d75973c26b06e6bc948dfa1710a3a4c0c24c966aa8e894bf6a3a59df2ff26c8
12. 0xd1eaea718a5a4f6f4199ba499fade7bfeb1533cef40bd31c28c642eae9914bb7
13. 0xd7f4adbe11763ae678ef4c51fd1fa9ddf52bf60add48464d376475766e9accfe
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af