Evidence row 1778222

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Fl1GwY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/73779fa4-1117-4734-a844-9acd0bf67783/.well-known/agent-card.json"
    ]
  ],
  "name": "Brostano",
  "owner_address": "0x135ea16c126ca7637e3c19b32aa59a7cc27ac354",
  "raw": {
    "agent_id": "13255",
    "agent_uri": "https://centralcity.ai/a/Fl1GwY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brostano 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/Fl1GwY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brostano",
      "registrations": [
        {
          "agentId": 13255,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/73779fa4-1117-4734-a844-9acd0bf67783/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Fl1GwY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553320,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:16:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brostano 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/Fl1GwY"
}

What the leaf hashes

{"body":"c38aa32890bf8e6cc47c9cb89727a5352894c2495f4e087062f146cf9eb8e1d1","id":1778222,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553412878266,"prev":null,"subject":"erc8004:5042:13255","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. 0xbf8c7a1514403bee5783bcac0ceeecd71b9d110c5f3a1ad2158111651bda9b4d
2. 0xb1ce365fddf37071199f09452ddc215b85992eadf1777e4315fa87a930eafe85
3. 0xcf5aea0e9fc6eace75021b3e622786be4a74c0e8938cf11f6fc84cbcec752fd2
4. 0xe35dadd0f0d91927f00cd698a33f821b92298dfeadd0c35ff66e93192bbeace0
5. 0x8a1b09ecefbe7b29e3cf32c8c6a97a2bda6905cdf8dd0ef3b537da349ca1603c
6. 0xc86e08504019e10645cdb0e340c27201fa09e54dff897855daa202f6dfc881a9
7. 0xba6b151a45ddd653f751424e7725b35754f777c756e99bda64609ea80dfae1d7
8. 0xa3819ab5def6e2507e4018b8ae692a433daa59592cfd017386bb6e639d8c2324
9. 0xa7d0448fd345a911c98e52ed00b496d14564bb122f567f9593b4aa28783fb4dc
10. 0x533d4bf107d36d038160a8846b4b0f9d6669beebf13d6d185dacd3f611e8119c
11. 0xc53650545f91eb2ab7e91f46664ba1b751a1c0926985877edc3749ea0c79a803
12. 0x9b5cd4fa96d6d0487b926b9322bd8aa013529868f6e0eb6ee77b66e4c965e7ba
13. 0xefe564ec44d50e51cc27963590ca317b9c3510aaf30351f2e937c01c07c486de
14. 0x0c6f1e059ed2de7638825ab03396dd843c97d2de1abde6928871cfc5ef085a33
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90