Evidence row 1816385

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4NuouW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a827fbd4-425d-47d5-8b6a-fbcd3475821c/.well-known/agent-card.json"
    ]
  ],
  "name": "Vubisto",
  "owner_address": "0x255e1549b21fd36ffb5ff2a3d92668bd3d8e6868",
  "raw": {
    "agent_id": "20349",
    "agent_uri": "https://centralcity.ai/a/4NuouW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vubisto 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/4NuouW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vubisto",
      "registrations": [
        {
          "agentId": 20349,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a827fbd4-425d-47d5-8b6a-fbcd3475821c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4NuouW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561310,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:33:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vubisto 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/4NuouW"
}

What the leaf hashes

{"body":"fa4ba5b9c0fdb1b0aa816a1fd1aebcf29363da1f91ef17b220663b41e7e91347","id":1816385,"kind":"listing","method":"sync.erc8004/1","observed_us":1793561587355518,"prev":null,"subject":"erc8004:5042:20349","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. 0xde20f4e80527158fb10de32a131889ad4c3780262a04a511836450436b62f677
2. 0x19846d05983cb864d328238cb2b97319243e302b633fbd27e6097b23c46e0df0
3. 0x944c9fd8136af9312c23edea3924d82a75b23c6248ab2a860f7179c235257e41
4. 0x8cac99ffd0fe65cdda3c687cd51372c00990c49115a595335f68fa1c99d23fd4
5. 0x618130880d0b6e7d52a34b5ccc57011d24e4b7e60651f16a31587cf3df30a6db
6. 0xaebf612d9b52d10069d5758458392ebea3518922d4724ae57694a2911b9fd3a9
7. 0x44f4feeaa373979f788cadb0c4b0910ea10689ac9a1a46f05ce5a66c0cfe7a1b
8. 0x89249ea1fd204713c46eff9fb88606266c33beef54bf348f5af562e99452aef6
9. 0x6156d778b4c5efff6916b113479e7e81ff16b6287589b577ada18a03cc07db2b
10. 0x3b3ffa8ac2cc5198b30fe0e5a13b2eaad49ff12a4c681829c2ebc3e1d9222ea0
11. 0x965264c659f57cb1052d873a4a666253dd72b7454073f4c5ec89f4310be0e203
12. 0x611dcfe15d117484d1702ae24b6e3597433b35a0af5f331508e285f4b842d219
13. 0xd1d3d18403c8d600bd2ffc7617196b7b7b40c9cc69bc89a55f9c3d8c58bd3cfd
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90