Evidence row 1817817

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XTOLre"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8b736a69-14a9-42b7-b90d-184626ccddf6/.well-known/agent-card.json"
    ]
  ],
  "name": "Burkumpan",
  "owner_address": "0x9c8b4f259218f009512ae057f27b916d50f8717b",
  "raw": {
    "agent_id": "21313",
    "agent_uri": "https://centralcity.ai/a/XTOLre",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Burkumpan 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/XTOLre",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Burkumpan",
      "registrations": [
        {
          "agentId": 21313,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8b736a69-14a9-42b7-b90d-184626ccddf6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XTOLre",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562201,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:44:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Burkumpan 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/XTOLre"
}

What the leaf hashes

{"body":"434d9db5e97386b90e8e8dfc2b74a5f9bca20bac3171f0ee4eaf4bc5c362bebc","id":1817817,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562251437171,"prev":null,"subject":"erc8004:5042:21313","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. 0xddf4e4ebd898bc390186ecca5fe2e9bdfe6c17856c8eb0d686b63df2ae7642cb
2. 0x4a73e99531d3a11a51855957e1cd16609dd91f28f60720d0d9247bf26db325ad
3. 0x6d438bcb4ef3465f1bf1e1e18fa9843117da78fab6625e6951420de829bc8d07
4. 0xf84461463ff256455db13c8c78f98c5f22a0ebf624740545d655fdd2c8332dd0
5. 0xa2f5997907589883c56dd429e021f7a52cc4d7e819597e775e4b2f1658e853a1
6. 0xe599b27dc04065ea33963058efcf01bf31694e3abac2fe4524d76f36b1073bc8
7. 0x067eada448c98c091ff17803e930d5f343f229113cf40258d8a0368be3ee35d6
8. 0x32762a2173f92f8765470cc9a686a558b3f668dea3fd758901ff2a51edea6a89
9. 0x5881064e9f2d81fb2c3463d6b24423aface3e0e160bb5c85d40c8cbd764f7899
10. 0xe48212f21dd1726bdafa8ee374eb0ca6214df3c6782aeb02d7716f5fd0c681fc
11. 0x2bb38e6f7c6847f6abf093783982b49bd1341b21e65accff8a678947c68b1d7c
12. 0xdfa32f5198f53434ae19565dc216bf47b6ae348027a37e0be2678d1fa6697022
13. 0x2a6197714ae72af66984e8acb7bdf44641d311c74106e3b6480080e1d9170463
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90