Evidence row 1848351

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9SojHJ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6f270f69-dfe9-4448-a243-b5f02be5f466/.well-known/agent-card.json"
    ]
  ],
  "name": "Brefano",
  "owner_address": "0x12143d513b9c1e93d59c71a014f36fdb847bfef4",
  "raw": {
    "agent_id": "39545",
    "agent_uri": "https://centralcity.ai/a/9SojHJ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brefano 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/9SojHJ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brefano",
      "registrations": [
        {
          "agentId": 39545,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6f270f69-dfe9-4448-a243-b5f02be5f466/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9SojHJ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577001,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:54:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brefano 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/9SojHJ"
}

What the leaf hashes

{"body":"66f53b884fb9320ffdddb7f776ceb2e43fa75b429ff0c86428eb59a44d32d8b7","id":1848351,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577298410677,"prev":1847876,"subject":"erc8004:5042:39545","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. 0xe328b4e34318ea5f05f7e78e3690cce565e795a36f75b56386a57b58bb944f0a
2. 0x3d50e3649d5ccae5908ac3cc8c5378dc8a4929e4c28b19d1830d12d8cf2f12bc
3. 0x7b0b64ee2551ecfec762c94f4519af72b51e3e9fd16bdbe988fbcade22e46011
4. 0xd2b0749c9431035b38c0fdb4dba8f82dca444ff732033bd59cb94bd0386449f1
5. 0x26f009ee5a9264d47763b4c9208c43396356444ee8b62a818844c6ff873a1efc
6. 0x0c91a89fc8737382065703dba0fa0282bd9be5d877da02dcb81eff26c20ff027
7. 0xcce04e79a2206543f15edc335bb4ea46d4fd16de51b48ccd054e0de6cd4d66d9
8. 0x160feaec7fd849c278bbf6ab77e2a6d33f7b0b91ecd175b8b6845570151e3bd5
9. 0x2cf29816f2638a716ea1d6cdf2d02d91ff4dd1e4552f631fdeacbf559e3543c4
10. 0xc83b38417400c2bd64711a9908e29f2dbdae784f9c85fd33c699d80c534783dc
11. 0xf5971233af04d8cc6a31b1a073438a5d13b28d604e946d9c94128f35d26566f3
12. 0xdeaae23aa4c1110438e5392a2938c8a466fa30eb70d1f3d4a617d5eac9c2bc90
13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90