Evidence row 1782547

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U8PaLV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e053227a-4ac3-4da8-8969-03b842353bf7/.well-known/agent-card.json"
    ]
  ],
  "name": "Dida",
  "owner_address": "0x5ad9ca43a31eaa6381a40a69a9fff88580685f09",
  "raw": {
    "agent_id": "16609",
    "agent_uri": "https://centralcity.ai/a/U8PaLV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Dida 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/U8PaLV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Dida",
      "registrations": [
        {
          "agentId": 16609,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e053227a-4ac3-4da8-8969-03b842353bf7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U8PaLV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793556276,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:10:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Dida 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/U8PaLV"
}

What the leaf hashes

{"body":"527fa4cc094d452091dba9d957252c8ccd21469ac43a194521e1e3c2218a98b4","id":1782547,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556626120327,"prev":1782284,"subject":"erc8004:5042:16609","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. 0xd3d20e7cc3e9738cbede288b9baa997c45b31fa31bc9b1b56a58aaf7a53530ea
2. 0x5ea4c4d2a863b7bafa14b280d2edee556c2cf70b3a3d477ca5a3ca511ba20d7f
3. 0x18deb6b403a829a9c55a6b863fb1dc3157c7559ab575bd82e75c241401ff17ad
4. 0xdc54b62c695a7e86922f539ead1744831687bc01fd2b99de4160c78b2bbffa90
5. 0xab94f07d79b687d0a6bfd33635b1f358dd36d12026378060fa05f670d77aac4a
6. 0xc0470582379f230a4cbb07ac24e4fa8898a23b7a310c1112d5f5b06db947aa24
7. 0x3e55a4d2a42b38ec6d03cb2ba42e46e669889cedff3e094ddbd89ab0fc328136
8. 0xf37de4647be96e770d612e5303d2d9aa0c7a8acf9dee82a2a02c830feea8bda7
9. 0x3690ca7abb06f5c5f4d679eb9fc1c62925ccda288c9aa740172d71428d9a5eb4
10. 0xac2f78971d8b3ebd482bb8c7687fe4b608deb1c4521fbc606d137b0786c9ed94
11. 0x89a9a1d9cff193276b8989a9494b1ffe06c7de65315c119bb302e49bb5f91056
12. 0x65360a9279458a580bcc7af84cb70bc3cc118973d29e37040c5149269369c309
13. 0x827e8832d4e454afc21199e490166d8c3be13193f254217a3857562757303f01
14. 0x57b5e8b79f831258fde2efa4c7b70cd486ce34b32e7d612a6965c086ed7a75e8
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90