Evidence row 2193507

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dIMaDg"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5c5f2874-47ab-4637-95cb-97adf52a9f33/.well-known/agent-card.json"
    ]
  ],
  "name": "Baussano",
  "owner_address": "0xe7ed051f8db10aa41f4586a8edb065b087741a2f",
  "raw": {
    "agent_id": "122493",
    "agent_uri": "https://centralcity.ai/a/dIMaDg",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Baussano 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/dIMaDg",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Baussano",
      "registrations": [
        {
          "agentId": 122493,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5c5f2874-47ab-4637-95cb-97adf52a9f33/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dIMaDg",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644656,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:42:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Baussano 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/dIMaDg"
}

What the leaf hashes

{"body":"57f34e34ea7cd9b50f53ccaab119789562f631681d5eecb6e4e2fa03bce1979c","id":2193507,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644978529380,"prev":null,"subject":"erc8004:5042:122493","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. 0xcfa9529c865c4717c3e8d9c4c8259269b815ed3e5cb3dfd28037b21539f8bb30
2. 0x6b7a43f603419065384b48d7ae6cf8fba7dc2855977bf6c7e92acb61b8a2260c
3. 0xebd0f83a2c74ed07fadf0e1180e6ac34c904d9a0a64605c8c77b54ed35286869
4. 0xc1f58f69dabe418914e896f6763b5f7325fbed0a5af5fbcfbd7c8826c77290ce
5. 0xc81f548669dd3c5a78f839d8ec86201d3f337e8cbf83af18ed54d0cdbb8aafce
6. 0x48af6709af3b8db537be2680c1c0df3fde027f2db3f115b8a3126aabd41aa4fd
7. 0xfb74c512190e47fbfeff0fc8a6391c4499e2f4bb673c3064c0cd5eec49dcddc0
8. 0xb4015d2a15658af094038994fbc2c9a5b86c6f832b442f96e3130b36c90f4965
9. 0x300ac06224b86042990d2695750d40697836f318af76fc4531dbae411192d2ff
10. 0xc1ea9495729a3241ad919cdea3ee635bafbb877868be68edc91a8f9d164fb80b
11. 0x98398fa1385fb88f5c692341108a5b3da0c94b3b2840c8b8e3bada0127d58e71
12. 0x958b4a44f39e6f2ea70e91d6ebf20620245d2b968ca9c28f1b19f03aa4f5e55f
13. 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af