Evidence row 1821490

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kaXWQQ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b5b0dac8-e731-4ef8-9344-c9e151217ecb/.well-known/agent-card.json"
    ]
  ],
  "name": "Siveon",
  "owner_address": "0x608463375b6870c84e6ab9118973ec8c8842faa0",
  "raw": {
    "agent_id": "23575",
    "agent_uri": "https://centralcity.ai/a/kaXWQQ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Siveon 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/kaXWQQ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Siveon",
      "registrations": [
        {
          "agentId": 23575,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b5b0dac8-e731-4ef8-9344-c9e151217ecb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kaXWQQ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564216,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:18:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Siveon 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/kaXWQQ"
}

What the leaf hashes

{"body":"d9e2b7c3ddc18ffb1d80aba09b40f1ca575e582efd2431ab61758789d49c58a5","id":1821490,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564296861830,"prev":null,"subject":"erc8004:5042:23575","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. 0xd881f2a81d399361bde296983bb4817a8eae6598ea9edfd0ac99cb3352e888d6
2. 0x4efed58249c5915997a3e368b6fdbcccfec3d74a8e5ce0d4cf602c66b7c4f80c
3. 0x5a2f4023ab62097dc5a0bbe8cf46c8f3584baea209b84fa0bc649af0c8bbcf60
4. 0x399e2e1819a459777e2f8b1bb0378b88c7d0986b02f4ae85d728260d4c6a7da4
5. 0xc463b50c6c998d5f086ad8d3f2ed47f3c8554242869345e458159d41ecbfd3a5
6. 0x5a36c8288f4a3432f5c5263cc0178fbb15c2c0def6b9d213824fd3c43a8eb1d3
7. 0x214441a2d9ec0746e31a11a756a4153350d9bdf8fbb74a32349e16932a51c336
8. 0x254126c839fc117e42f43bda50fbdc7ce659fa9d964de73480b5b74897ffbf78
9. 0x9f618163f1b2adf652949937ad0689ec7b4c5d0a0fee17a4c413b77672ef95e0
10. 0x63637713f0d76c6a903601c291ffc4e820817d0c8934a32e8277670e4903e940
11. 0x70e09a615efa6e49c7daad08f583ff5a9cc78865478199cc6b9df05fa48f3abc
12. 0x5286c70252ce1d2134a08e8f861c17b609bf03ec34c3b3a77b39816d1787aec7
13. 0x5604ebb26a467785e0d13c4e7f1730e632124652e4df86dc2a82a0734e46265a
14. 0xe4cd5f56e5b4bb570140c97935a785daafbef0e607cafa2e0adfd0ff7fc250c7
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90