Evidence row 1832541

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/x2wxej"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2c74bb7e-1b0a-4639-b02a-048d3e95b001/.well-known/agent-card.json"
    ]
  ],
  "name": "Maarkamer",
  "owner_address": "0xa170a18c3e67df553166931591c71fca55fb03cf",
  "raw": {
    "agent_id": "30173",
    "agent_uri": "https://centralcity.ai/a/x2wxej",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maarkamer 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/x2wxej",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maarkamer",
      "registrations": [
        {
          "agentId": 30173,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2c74bb7e-1b0a-4639-b02a-048d3e95b001/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/x2wxej",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793569482,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:49:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maarkamer 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/x2wxej"
}

What the leaf hashes

{"body":"fc99ba3a9677bafb0017625d3f4bb2af5b2582e78a91fad035b01b2ea90b5ea6","id":1832541,"kind":"listing","method":"sync.erc8004/1","observed_us":1793569767885746,"prev":null,"subject":"erc8004:5042:30173","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. 0xca203877bcbc8d2ee9930af75c4af157854827c50080b00eb88bd9c084a40fc1
2. 0x92c57b3e85aaf0eeec48c8ff15dfc6ecd1045990269bcb3a066b3b8d5eb7a201
3. 0xabd9faefe66e89d48673cc2eae713d06d840163d752295cdb90a7d934de91f10
4. 0x32239320e1b5fea240827075a4584c086d5426a269bb33959cafca508a8f4488
5. 0xd688e65557c2c59b7f2c48ff590fede938494e177004f8302c1c35babba87fbf
6. 0xd13db21bb41a437e45eef599ab0b219daee0addd386a11a80f2b2339ee8e60c3
7. 0x758ffc2378727748a84594a11dc8ddb9cc37aa723ad7b6c96b8d54ea06beff46
8. 0x9cd5e5d8e98b11da7b443a4d4ab2a2170ce546fac64c7a810575ecb0df722749
9. 0x13f749e0f05a21a977ea3c7d1ddfde23e44680e0fd646c08f3e239643801c556
10. 0xcd0d337848a8b4b7fbb71bf60f81d968af4ce65e866416a8576015fcdff0e588
11. 0x6dff1a8cce235ce69aad64d6c0fab9b69d00e80db6920fbc2e8b6a1dd9774dad
12. 0xbda213f244467a05027904a8f73b83cb22b4e670fdccc5bdc0e1acff8d5dc5ac
13. 0x24635ce9cb998a7f0315d48529c53cf1d5cad881b86cddade3f316f35faa0416
14. 0xc837737eae003d6217621fce98752787bb2b4be80aad499398bcd6fa49bd6996
15. 0x537331ef190eaefb4419f2a4558b952aaf9435d759df0b0c118b7df609ec1687
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90