Evidence row 2613313

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PBWtjw"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d67d4ac5-33e5-46a9-9b1e-dd33ff6b91dd/.well-known/agent-card.json"
    ]
  ],
  "name": "Brussa",
  "owner_address": "0x16571d2ed621457c448e9f6188445170347b6c44",
  "raw": {
    "agent_id": "194162",
    "agent_uri": "https://centralcity.ai/a/PBWtjw",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brussa 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/PBWtjw",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brussa",
      "registrations": [
        {
          "agentId": 194162,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d67d4ac5-33e5-46a9-9b1e-dd33ff6b91dd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PBWtjw",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793723988,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T16:44:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brussa 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/PBWtjw"
}

What the leaf hashes

{"body":"c0fa8812979522b6d4b734b1ab65e78f7977545d1841ff545fc1e29e4c1968b4","id":2613313,"kind":"listing","method":"sync.erc8004/1","observed_us":1793724282997928,"prev":2612359,"subject":"erc8004:5042:194162","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xdfea54f6f6e8c607bc080dfd2d755250e534d30fd9959de40afed24a65a902b7
2. 0x048ae8a11ab2a4fc62616324edf03a7322f8c7efb942fdd55185fc9e73853d38
3. 0xb917940bd0c27123f611a1769623270f6a2e3cd6861a8e2bceac70611154fc4e
4. 0x739ea7f16a5860398bcfa3b258a6c2a3106abe0293ce8d65613f27b07562caed
5. 0x867800bb151c8eb5d7516dd15afcb95e4a26c5bd87869194e13c08141b84d209
6. 0x8676129ded923d05f268dd0960fa053b1da88fe233870d0ce2f54ce932f60de0
7. 0xbb45958b89eb4f35950cc95f018c99de583c716281517aca519ec0e3e993ae36
8. 0xaba40843dd6379a01bf8020b3b832e463a2b622abfc5d27dd0fe1bedd19f6e41
9. 0x170f4030d506ac2e7cd59dec6cceb2befa05dc02cfecbdcb977f24eb404d2c63
10. 0x8f51317a0bfd4260f5cb1c89fd9cef19fa8da62581d787bc53745891f5013b51
11. 0x8537368bf4d590e2d11e7f7e92c977bc7bf0afab8407e2d7e701d9d2ddc98335
12. 0x77412a36b507b0500b445f2e83c2f17f84662a924c6a82a903820093de3cc699
13. 0x4fb617b3e5c633b66745b02140beb64580164cdfa6188d729cad658ae1950304
14. 0xf325d91f08ffb7f78519bd5f04dd572a693eaed62aa76d674f6e757bd5f0f276
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7