Evidence row 1818909

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Qkb0iT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d78bc36a-26e2-4b6e-9fc4-53dcae7b447a/.well-known/agent-card.json"
    ]
  ],
  "name": "Brifomito",
  "owner_address": "0xa852035b420dc6c001d98d99292e35a66c12ac78",
  "raw": {
    "agent_id": "21946",
    "agent_uri": "https://centralcity.ai/a/Qkb0iT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brifomito 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/Qkb0iT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brifomito",
      "registrations": [
        {
          "agentId": 21946,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d78bc36a-26e2-4b6e-9fc4-53dcae7b447a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Qkb0iT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562794,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:55:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brifomito 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/Qkb0iT"
}

What the leaf hashes

{"body":"15b967f0aedafb9b280ac2a537ef2bf2ddaac0c30824da22a27bf624537949b8","id":1818909,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562916951558,"prev":null,"subject":"erc8004:5042:21946","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. 0x79013a1ff628abf0e57cd406677ddbc82b6b40669946c0c981db4bb04f9f3d5a
2. 0x56ba893a5dc4269acd6858c2942f9792fa36eaf5a0cb2502dd2bde3048525c14
3. 0x0f48ecf5559f59d3080c6c0b74eeda5296cadb1634817674ba318aa26ead60e4
4. 0x34d538f6f0c087b81baf3d57695b153eb9e6431b95795de4aab8b16c57ace225
5. 0xd1902d1e56a180c1a8963e66da42080a7b724ed5c012d692da1b4ac862c19fd7
6. 0x464fa84115000aea003c79e33e04ecf273263c0d13ccbc32af4d85ddd3701e34
7. 0x5249fa33429f4fe8b5ed1580b8337f7904d456bece213299defe7ecdf64f481b
8. 0x68af55b5df57490cad5a6e3be1e4ef0f60f2dcd2d3b53eae2d519fd48ed54169
9. 0xd60d2fcddcd6c0e0f347f3aa755b1a28c9b2b5dd5664c41d2ad2d9592077bf1f
10. 0xab4649624bad072bf4021e6fbb0d016624e493995aba624708143c68bd19431c
11. 0xa6a98ec4ed42d3283d1404a5e85e68d1984059995899f705f9ac11d20f447575
12. 0x922a48efb43b08095a30ef6daed1c6435642500c842a9a7064ef609c7b17fa99
13. 0x158885233a7e31127e2842e667a258b12d4e1809863fa73786d7994cec474080
14. 0x7e26f771e19135838a4922e6feed7314ff3896114424cf5c9fb3c97de3545c5c
15. 0x614dbc600bca0766e288d2a5ebb7709ac565230ac6acdc88a5e4a7a5ff53c58e
16. 0xe329dbfb0db2c7f35334e66970a8ee37ee2d3356d34d692c10f84b6f7de65a35
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90