Evidence row 1818309

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/B6nFf8"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d4d8a83a-3c93-45b6-a561-b51d2c01d219/.well-known/agent-card.json"
    ]
  ],
  "name": "Sukon",
  "owner_address": "0x0df1f7c8f3df43ab73632e17f0a1cba8b3afc846",
  "raw": {
    "agent_id": "21571",
    "agent_uri": "https://centralcity.ai/a/B6nFf8",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sukon 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/B6nFf8",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sukon",
      "registrations": [
        {
          "agentId": 21571,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d4d8a83a-3c93-45b6-a561-b51d2c01d219/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/B6nFf8",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562445,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:49:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sukon 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/B6nFf8"
}

What the leaf hashes

{"body":"2371638da02f2aa8f29da7201df628b60a2256048007bcd88817a39dbf28a14c","id":1818309,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562583004311,"prev":null,"subject":"erc8004:5042:21571","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. 0x8c1806b0c5c8c475e803ae7af9ac53ceb5e6a7fca3a4140ec1a4f305bb54e1ae
2. 0x581684b8f95daf9b5752bbb2bba2c3508f065e7fce778860d314578018be98c5
3. 0xbb57333a5192f120804496374c0a9adc45ed74177c3db341f2db78e93da88bbc
4. 0x6522587ac82adf38c91e26b01782f2084f53cf097276218d28df33591684b8ed
5. 0xd595c090d0ffbc101963fa136ec58861d9c4336920355e298dcf867ade35b882
6. 0x1cf777e055e2d75ae538fe519add85a4eb12800971d23051c9d8b94f2359d317
7. 0x5412fea231f9ae52fbfda937e962f2876d5e31bc7397c3b66ea3c7226b1277d5
8. 0x84368385012c9d223125ace20513e9c78998a5d9470c39a174dd59191d133ffa
9. 0x0684b53ccfa26b4b4212d2dcdb8dff697b44c78c8e32c0a9b8f204cbea9419eb
10. 0x186541f17da6369ed4e0361d4378f34a42978d3c55f2183763af603ac5734b04
11. 0x29cbb291f422b653347ed9ddd33eeaf9a48f788367b6fed47457b88b04ef6ddb
12. 0x9bf1d1be128cbf2eef87a6de3ab5542838a286a32838c2697153196476c2fcca
13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90