Evidence row 3422912

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/S44J7W"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c909534a-f6cc-441f-8a68-227710a911a0/.well-known/agent-card.json"
    ]
  ],
  "name": "Hefel",
  "owner_address": "0x284071d56b3a137870cd45f501b8ab4e32227ec7",
  "raw": {
    "agent_id": "342634",
    "agent_uri": "https://centralcity.ai/a/S44J7W",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hefel 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/S44J7W",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hefel",
      "registrations": [
        {
          "agentId": 342634,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c909534a-f6cc-441f-8a68-227710a911a0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/S44J7W",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793893177,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:42:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hefel 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/S44J7W"
}

What the leaf hashes

{"body":"f1f33628dfccb271175d859e249dc3e850e2a0f8f314ef117cdbe6f6077b102a","id":3422912,"kind":"listing","method":"sync.erc8004/1","observed_us":1793893327860191,"prev":null,"subject":"erc8004:5042:342634","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x4601b862179af7c6fe51013c027402062b5bbb9a0c960aa8a0a05e3a0f68b5f9
2. 0x195953d863cc1dfd2d1f44c4fe6aebdc87b6c30e3245db418eb10bbf0fd8ae09
3. 0x11de4c9bed67bb435ca538e8646dd9737c7973d4f1d1abf21cc9696c320625f9
4. 0x872b4f42fc5b7ff0e6b7af22907607d08e6bb4f9c103ef3a82993b55b7e23d73
5. 0x4a0cbe5fe18d7172b6b3515fe3894f41971b91c56ffaeb1db82a8782784e6c21
6. 0xfe58b868e8256f81741d4fea36057e273e35d79641b955c7ec8fd35567853e21
7. 0xd127bf8b55e6856256a92232f99394954b89432bbb5ff973326b370a9465bfc6
8. 0x8be3678462323b64c56c420d7fd799ecad3e87842ee40183f0cc8d55ec9745d1
9. 0xc66d36a134659746408cf3ee33eac9f55e6019d8dde679adec999e933e38c835
10. 0x18c69566928c5985642ecfeeb96020131b211f8c2a1a1962ce812a8595455400
11. 0xe23eba17bc8ffffa023570b4c77773f0164c44d3a4cc085a8719d08e51e2b8e5
12. 0x2d20060a44b47cf87ec420b7f3b3a3ed9daf171215c4b67ca814f088fe613d89
13. 0x649d8ec60f06f8cc0c38fdc08389782fe23f0b52157e9e096cdf0a782e022b10
14. 0x23329bf53eb2e958bbb3475e431fb82ddb0bfd349513425995db63fcba47983f
15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94