Evidence row 1844772

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Sq31uH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/21adae7f-64b6-4270-bc3d-686c7e5d4921/.well-known/agent-card.json"
    ]
  ],
  "name": "Brikabel2",
  "owner_address": "0x04bc598f924674e3bec851f054d8522cdf91ba15",
  "raw": {
    "agent_id": "37503",
    "agent_uri": "https://centralcity.ai/a/Sq31uH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brikabel2 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/Sq31uH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brikabel2",
      "registrations": [
        {
          "agentId": 37503,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/21adae7f-64b6-4270-bc3d-686c7e5d4921/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Sq31uH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793575336,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:26:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brikabel2 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/Sq31uH"
}

What the leaf hashes

{"body":"8ddb59acc4e1b33f9dbfd924394b67bb7472202ad076c41e6fed1ba4553c143f","id":1844772,"kind":"listing","method":"sync.erc8004/1","observed_us":1793575576148274,"prev":null,"subject":"erc8004:5042:37503","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. 0x0e258820cc5299deddf789206806c7314af4dbd0a6f8c8245525e00a94b97908
2. 0x050dbe978464e8d78b9026a9d218eda676002e97a8aa16008aec5c1d698fe687
3. 0x911cbdaf8512c45b51ffd0c55319ad24277305ba8f119b9c688530ac1f01a777
4. 0x16a25241d5469485b0539758fcc56a59847923af58c3935c95c8afb356eac4b9
5. 0x8454360529564117d9100035d129041c7ed72fde9d22c19c432f978c3e3b42ae
6. 0x4439766ec465332a7ef7332045948127e7dd72594b18420e9fa71d81d4d9f975
7. 0xb9198c40ef5c2dbc7c41fac39077abcd8b647ff5d837a7ffda9d9d80aa983494
8. 0x134afe2c3e718eb3e6d84c0ea29b1351563ad5f7d4e587f0f1523a56e19e92d9
9. 0x65fcd69b6bba27265338763f424264a1ca129346b67dfcff1883dd70001b1f55
10. 0xcfe24e1a1dc04ec64bada6b7424fd2f48cd542e4dba0f1e735e198bce28955ba
11. 0xd5597532c281450b0df2f56db2a74b436896fbd35d132fbd6fa145fc72868eab
12. 0x117339010d29398a0ff6de29fcfd9e13898b6132d1c5c8c2e43a74b3118be6b8
13. 0x878db25c2f19310b2877bc95b8a8a21f712341fa2a543dcf19b36aa69747bc0a
14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90