Evidence row 1780250

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vpvCgr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fcce2c5e-11a5-4ceb-914b-f1bebc7b8e95/.well-known/agent-card.json"
    ]
  ],
  "name": "Mempik",
  "owner_address": "0xc9edd27633041161eb097c4e1dce878253334886",
  "raw": {
    "agent_id": "15029",
    "agent_uri": "https://centralcity.ai/a/vpvCgr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mempik 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/vpvCgr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mempik",
      "registrations": [
        {
          "agentId": 15029,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fcce2c5e-11a5-4ceb-914b-f1bebc7b8e95/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vpvCgr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793554693,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:39:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mempik 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/vpvCgr"
}

What the leaf hashes

{"body":"7286d341fb8035597ca9d374c2f748239bfc1f9b505cb22b7001ecd5140d572c","id":1780250,"kind":"listing","method":"sync.erc8004/1","observed_us":1793554779018267,"prev":null,"subject":"erc8004:5042:15029","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. 0xcc1e82b1c9979231423dc19fd02446731e787d892a3d6efc02e744014ac58af8
2. 0x104c1e3d4e33551d5f9d8c303de0cd0ce18392b3cecf7b0b59ae8bf3138bc516
3. 0x66404c45824126a063b5260a5a33837f0dc2187be7719c4e03f35ffc1a37b71b
4. 0x993ae414f82eb667280589aed0617d5b885bb4bb6be6c3ae443157246e3993bf
5. 0x0cbe915819895e14e35c94916b01dd411d2102efd79201097eda1f9e922fdf77
6. 0x35383d13ffd3cd38dc3a275f8018be902b6564d89d66cbcdc4ab3ba8b5019b60
7. 0x50f905ad21b73c0398fe28251b3a7992148f2b73b0d4fe47d67a61896bf2f9a5
8. 0x7147939748fc8d333f76f861830d1a49f07cf700bb9015afa8e4dfe5b799e483
9. 0x115280584da9af4252695f5aecc180ac400514c4606ba77d870b21f29bc8d99e
10. 0xb257a2a2ce5945beb38a53718b09ce4ca5dee4823fcc525876af84b2f5d7f138
11. 0x4ae10140835e169262fa30f55d8d88a6a36f6a0eef2c01124aa9dc8e0b4cd851
12. 0xa4174a938ff14fbd5be6812124d70824fe3c737bbd8c1aa81347432c5fd52dc0
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