Evidence row 2050246

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3BXdrm"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f422721f-e80e-49f6-96f5-7efd29efdd07/.well-known/agent-card.json"
    ]
  ],
  "name": "Brikus",
  "owner_address": "0xe0610d3f0f0805dc7e2b182d5a66a19d895f70a2",
  "raw": {
    "agent_id": "57980",
    "agent_uri": "https://centralcity.ai/a/3BXdrm",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brikus 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/3BXdrm",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brikus",
      "registrations": [
        {
          "agentId": 57980,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f422721f-e80e-49f6-96f5-7efd29efdd07/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3BXdrm",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793591506,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brikus 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/3BXdrm"
}

What the leaf hashes

{"body":"55ed9b6e11ef911833f9837034a00eebab00c572ffd6bf159c9a0a06b160a53d","id":2050246,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591590653889,"prev":null,"subject":"erc8004:5042:57980","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x654041f042b52ba0f01d0cc1d12ff355bec132880afba2c56a2f064e796e559c
2. 0xdd198ccbf72fb96ce07c719c37eba6f589ef48b579ab8f3bd50cad42dcc83db1
3. 0xc8c4714bec96f763d0852fd331fcfff485e62f102b01fa6bd1115052ce155e57
4. 0xb34ccb082e2fb85be8437d7c7562e9925e68b7ee2b1396c036f9099ba07668c9
5. 0x11fb9a3bfe43d073b5816a3529c8d724858eca9b43554659145378a2b3042205
6. 0x1f9f3623edad7fbf8fcd459d4e40d7129601d81d2d1f4d26a8381e817fd00911
7. 0x76ac7b8761b466208f94cf4c7b0b893ddce1a800f8d72e2557ea4351262f5af2
8. 0x8510f985497f1feeb5eb1ecd2a53d279a10deef1bad0180aba34a034ecc2289a
9. 0xe396342eb8ddf0b86bcb1364135329b721f9945b2f28173034fb2b3f0f4f5418
10. 0x40268d97035bc33c74144fbe6311956dda66179d570909f149d3fd6efc151418
11. 0x537130f563bf92654495b68976e1bf73af9e040b9cd4cf776e0b0c014f484d70
12. 0xc896eaae3056ce1ba9baca9b17e29ba832a897624bdd998bac108458e38c2648
13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af